MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains a link farm with numerous URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or SEO manipulation scheme. The presence of external URIs and link farms indicates an attempt to redirect the user to malicious or deceptive content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://archism.ru/uplcv?utm_term=how+do+you+convert+kg+to+pounds
- http://sixtyguildersresearch.com/admin/photos/file/77964587273.pdf
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073fc235f8cf---99768012602.pdf
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/miqjlvkla69bjnkv2e0n8ir3ls/15924146064.pdf
- http://akkoryazilim.com/userfiles/file/xewodosepijan.pdf
- http://df-foundry.net/d/files/13735509275.pdf
- https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/euvtqls9q0af36sta38bnmlln5/53541075070.pdf
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/fba746e09f6de5ba61ef33f50a73e601/3109006916.pdf
- http://sy-smile.com/upload/files/gepirepupufisowijarizo.pdf
- http://cl-metalparts.com/d/files/robun.pdf
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/e67708fc9ebf55aaf77b14c8f2ba99a2/fejagorix.pdf
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160aa92ff38259---757132472.pdf
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/4v3t1kcpb11f43agaooi94mv28/29986939482.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/mn8fi2ek1220jl5p5kv0mc8ok3/dusoje.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2dd0c0da70---kuniz.pdf
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/8c429a75f7347723446bab436e06ae59/zovubinulimobev.pdf
- http://solarhomepage.ch/fckeditor/editor/images/file/vibidipulidepe.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e69eb2c5e4---83058361334.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b300a1036---bafod.pdf
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160d7a16485155---13524031353.pdf
- http://gptools.net/userfiles/file/60218068741.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/f695911335b3f0982b284c46bec61f63/99033802752.pdf
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/glmonkg6htnt3pfhgri4u4gdle/97730805748.pdf
- http://www.climatisur.com/ckfinder/userfiles/files/28453670459.pdf
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/99ca48007bf8535e8eccca6153580b4a/bekino.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9a3.bin136e0f4d3bd279c853186ae34195166995dbcd07d7bc8014d748c36445fd28ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9A3 | 16636 bytes |
font_01_sfnt_off000114dd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114DD | 16792 bytes |
font_02_sfnt_off00012cf4.bin493ba7335a3c1d19443ad48b5b827d6164b07cbf308ad868705f94206c53e933 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CF4 | 10840 bytes |
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