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 0.9992
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://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/1dluu07csn972n40a765063kiu/zodopaxixewarej.pdf In PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5758c1450---53462705252.pdfIn PDF document text
- http://dmychadla.eu/UserFiles/File/petevazowarite.pdfIn PDF document text
- http://travellerisland.com/files/xakiparad.pdfIn PDF document text
- http://ginzaoakland.com/uploads/files/migurinogugalogesanejir.pdfIn PDF document text
- https://santchavarabed.in/ckfinder/userfiles/files/bozubinixigusijafuregiz.pdfIn PDF document text
- https://beauty-full.ru/uploads/files/72424269714.pdfIn PDF document text
- https://dycmc.com/DATA/upload/files/202107210858511907.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/vilupokakojitixaduzavo.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160fe385e270e5---waziluteguraputave.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c0eb9423eae---jelezawagenamonujofi.pdfIn PDF document text
- https://kapefashion.com/files/files/53506353224.pdfIn PDF document text
- http://royalrep.com/userfiles/files/69967956511.pdfIn PDF document text
- https://egyiksem.hu/uploads/file/98411212385.pdfIn PDF document text
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/c4e1f3f6bc8f6074918f79df06c0a6ed/16650194546.pdfIn PDF document text
- http://amctop.com/board_data/editor_img/file/202106051348.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160a6149fb0141---ligiden.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/65105203005.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/imqtfqhu5cf9d0uf1avu7anoq4/96543419053.pdfIn PDF document text
- https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/363203eb4963341d387335c8d9f349f6/17986341983.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=readsoft+sap+pdfPDF 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_off0000e700.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE700 | 18156 bytes |
SHA-256: c32e5fb003fa5bbe681c972ab99c455272887eb9ea3eac2a0e39231b6b1ba995 |
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font_01_sfnt_off000115e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115E1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012df8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DF8 | 10192 bytes |
SHA-256: 8d88e005b23908000c8d6078aaab7e6a1ca7ea40b65d5a91be8063b57ab348ab |
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