MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised websites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and embedded URLs are consistent with a link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://pistant.ru/uplcv?utm_term=density+of+triangle
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160983f6a59c62---xedadufejabagexugiv.pdf
- http://atek-ent.com/upload/file/baxebidusufumozofoxisagu.pdf
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609080f920550---20197670765.pdf
- http://zovsh.com/Uploadfiles/files/58211426961.pdf
- https://bandotrading.com/uploads/file/guxedugivukawubetojef.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ad85dce5815---kixokedesutuvuzezajekufop.pdf
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/73eef7c787721af555cf0729d096777c/xuziw.pdf
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160adb671ce5b1---jawinalufofipixedede.pdf
- https://lesura.net/userfiles/file/54913616631.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160815792abf3c---totepexurekutofezas.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f01a735256---wumiputuzarajelunene.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ba96da76ae7---22985514124.pdf
- http://debden.org/userfiles/file/weligibolazatez.pdf
- https://synersys.fr/contenu/file/musipuwufi.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160858f22ddc50---wakivewozufoj.pdf
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/b587aa529d8664d754e7336bd8d66666/fuxetob.pdf
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/1a3dd1ac431b360509a0de22f3cc096e/11663804349.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2537c59e7c---lejakipox.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b7b18ce94e6---68513423393.pdf
- https://evergreencans.com/userfiles/file/lebowixugifexolij.pdf
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608129dd5005f---gufuzadukaweresol.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_off0000e8d3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8D3 | 16792 bytes |
font_01_sfnt_off000100ea.bineed7fe81a9c19fc88ff563c785a1f86f8246b17f7c6bb6940d89caa760974449 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100EA | 10504 bytes |
font_02_sfnt_off00011902.binbd82c1153c6cae99cf74a6cf3a34dca543b5dcf7b538676a2a33f60ef768f4e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11902 | 19044 bytes |
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