MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains a link farm hosted on compromised WordPress sites, likely intended to trick users into downloading further malicious content. The presence of a 'LOLBin token sequence' suggests an attempt to disguise execution commands within the document text.
Machine Learning
- Nyx PDF Classifier malicious score 0.9786
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160beb6f3a184d---73532112235.pdf In PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b6f0949618---xemozabanu.pdfIn PDF document text
- https://asset-books.com/userfiles/file/87386043849.pdfIn PDF document text
- https://edcasys.com/ci/userfiles/files/7299254389.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609045d328141---50430801332.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4778551837---58967619269.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/zunelibokexu.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-6-14/20210614233546912986.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160a79e1cdc0c6---41960864624.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074544165ccb---76635086528.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/4e4ca55842b0181f3b947ad6765db194/puluripi.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b07c6431a55---64119816017.pdfIn PDF document text
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/f7e15kqi39qtd60rfne7mrrhgq/51193929855.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/578117df53c27ef07bfd5fc4f36088f0/74516534894.pdfIn PDF document text
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/kmcmddnuaag0frr8tn8ar4tdm3/tinureti.pdfIn PDF document text
- https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/d941fb717d48e0e632ce3f919a3977e7/lelufakufuxesuvumol.pdfIn PDF document text
- https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/ma4qbk0nl8eoph9gtscari6kmv/datuxivaloxapis.pdfIn PDF document text
- http://7tec.ru/userfiles/files/47747936335.pdfIn PDF document text
- http://tsrmmessina.it/userfiles/files/65475981728.pdfIn PDF document text
- http://szsahsh.com/uploads/files/61564989248.pdfIn PDF document text
- http://cityhigh78.com/clients/2/2d/2ddbae4fb74c169819b3574d76e4e264/File/jagugevexojowagenisa.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/779d85536252eb3251b7dc91f3d75428/vijudoninemuzisapetufu.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/tuduqt5d5k0pe42igqa76h1kd2/85114672446.pdfIn PDF document text
- http://davisfolk.net/clients/1/1f/1f1070e31f35868a9a13f38ee7dc887f/File/75230557461.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160be82f7d9bbe---luzuwenig.pdfIn PDF document text
- http://cutencuddlybreedables.com/_images/file/jawakom.pdfIn PDF document text
- https://iominneapolisIn macro / runtime command snippet
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=a+fluid+of+density+d+and+viscosityPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA30 | 19332 bytes |
SHA-256: 95f46ecadeba63785d3c3d52cd5943f95ca2a91c39943809393518989a1feaca |
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font_01_sfnt_off00011d20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D20 | 10628 bytes |
SHA-256: 371a0df827a7d6fc5b834d46b1d4dec917d4dd46b4336676f494ef7bc805c66b |
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font_02_sfnt_off000135a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135A0 | 16156 bytes |
SHA-256: d4659a125c3cbe5a441e1656420a62069f289d6c6eb106e67215cd25a4b13b97 |
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font_03_sfnt_off00014b32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B32 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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