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 0.9998
Heuristics 7
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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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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://philabc.ru/uplcv?utm_term=download+tenkaichi+tag+team+ppsspp PDF link annotation
- http://gemculture.com/userfiles/file/23475519440.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160812e032f927---watitoxo.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f36cf50a16---wuperizemuwuwasemavuverax.pdfIn PDF document text
- http://vhs1962.com/clients/b/b9/b967f936f519796c2a696a6ed1da67f9/File/64311511494.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f32bc41ece---87572773450.pdfIn PDF document text
- http://africanhairbraidingsalon.com/userfiles/file/dozul.pdfIn PDF document text
- https://anpheatingandac.com/nbloom/fckuploads/file/narogivupidutepikawum.pdfIn PDF document text
- https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/8b034ef15546b1681adcfa91933f5c85/12430571505.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a612d99ad50---kiguzusasewaraguv.pdfIn PDF document text
- http://cablexconsulting.com/Upload/file/siwazozikilub.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/f0c911c20bda71d502821d85e475933f/37126201908.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/19616f552b2a191b4061d4d99b2298b3/tugigusufes.pdfIn PDF document text
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/0a2f4a9a8e649ed991cad2758747a72e/balaxofujiji.pdfIn PDF document text
- https://atamergranit.com/userfiles/file/xegutuze.pdfIn PDF document text
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/6505223a0bb571a77d9b7fd38a9ad339/66522547940.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f034.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF034 | 5544 bytes |
SHA-256: abf58e1e60b6ae33f0a1ebe5438fb1cb2524cafcbf90a64ef57e757915c4afb7 |
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font_01_sfnt_off0001030a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1030A | 10892 bytes |
SHA-256: 44f338db26404e30ce9d9db1bbdc4f49323e0e75f27e635ed3ce28a42e97cf4e |
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