MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 https://dailyhondaotomientay.com/upload/files/87966818991.pdf In PDF document text
- https://aimhc.com/userfiles/file/47373128581.pdfIn PDF document text
- http://tafgambiatours.com/userfiles/file/31846959966.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af5a95c4ec0---49794802895.pdfIn PDF document text
- https://pottoka.info/files/galeria/files/50557591455.pdfIn PDF document text
- http://avanti.pl/userfiles/file/vaperemosis.pdfIn PDF document text
- http://paglialonga.it/userfiles/files/tonasavesovirarov.pdfIn PDF document text
- http://qianxi.cn/filespath/files/20210823101557.pdfIn PDF document text
- http://www.centralperdana.com/file/kedozesideru.pdfIn PDF document text
- https://ikitellirezistans.com/upload/files/vuwebakiriloranujak.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/16128f4645c24c---12997997555.pdfIn PDF document text
- https://heks-tech.com/app/webroot/userfiles/files/27732117591.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083402879156---tinox.pdfIn PDF document text
- https://ryokanclub.com/FileData/ckfinder/files/20210709_1B4CC11E8B355481.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/43856747278.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b4948a31ec4---74809463422.pdfIn PDF document text
- http://dainichiji.com/upload_ckr/files/kurijuxelumifosemiwol.pdfIn PDF document text
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/4e2c39c4a65e128bc604e2d6d5314abe/85843137483.pdfIn PDF document text
- https://cultureresortpokhara.com/assets/userfiles/files/30836049415.pdfIn PDF document text
- https://www.alarisusallc.com/wp-content/plugins/super-forms/uploads/php/files/c380b23f9769534cc7d0044b222e5f08/62713643021.pdfIn PDF document text
- https://myphambambi.com/webroot/img/files/kasifuwubudanu.pdfIn PDF document text
- http://akwarella.pl/user_uploads/file/biketesiperoxufadixal.pdfIn PDF document text
- https://orangerun.re/photo/files/gevojekakerokejip.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=irfan+ul+quran+urdu+pdf+freePDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c10b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC10B | 19724 bytes |
SHA-256: ba1b17a06c6df0e4b8a6faaf44379285d2a082f7d8100ef43ee89d09da265514 |
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font_01_sfnt_off0000f561.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF561 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010d78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D78 | 10208 bytes |
SHA-256: 235cc47c201270d9f4d1396a682d9f67c6df51ce7cb3a42c97e71cc108a7e58c |
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