MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to multiple compromised WordPress sites, each hosting another PDF. This pattern is indicative of a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly suggest malicious intent, likely involving exploitation of PDF vulnerabilities to execute a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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 http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8922bc417---xetokizewisaturaxorafej.pdf
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bc1f2640de3---31205714651.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba8197f0c9---24906900336.pdf
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/74b8d4b804070d84fc8b4def2d615e38/zotituliboput.pdf
- http://www.tiande-global.com/ckfinder/userfiles/files/xigaropafus.pdf
- http://alnoorcity.com/userfiles/file/19005635364.pdf
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/642500a9cb9fde0665958413dd1d8e3d/68286937201.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608abdbdc4c52---towuwotobeselizur.pdf
- http://oreade-breche.fr/userfiles/file/xevajebitumepemoxeje.pdf
- http://adabaskimerkezi.com/upload/file/72531927475.pdf
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/jnraib673ggestjvmvk76mbauf/nusirek.pdf
- http://londonjip.com/userData/board/file/40189158700.pdf
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/bfd7c67604b2810f07acba6619308373/31122797455.pdf
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/73370eml9ffa4dk09bohdpt099/xuturemaj.pdf
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/6d334a862ed5cfc18e596031282f5f35/neguvonijipi.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a81ce70fd1a---visolulu.pdf
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16082a8cd07bff---roniwek.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=snurfle+meiosis+worksheet+answers+page+2
- 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_off0000ae2d.binaa9bfbbff52e260630c2552bc1ca0aeaff70e1da417e7655ff88404d29d719fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE2D | 11276 bytes |
font_01_sfnt_off0000c898.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC898 | 16792 bytes |
font_02_sfnt_off0000e0aa.bin443ca11dd354a3a95f016d3e2351750e8fae94054d1a398999a6799fbdd1d071 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0AA | 15984 bytes |
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