MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many of which point to disposable domains and utilize UTM parameters, indicating a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 5
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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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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://crysiq.ru/uplcv?utm_term=adblock+pro+android PDF link annotation
- https://trimix.bg/UserFiles/File/3115038264.pdfIn PDF document text
- http://studiofranzoni.eu/userfiles/files/74407029776.pdfIn PDF document text
- http://jessie.vn/images/ckeditor/files/rudaretagokozisiwatedikix.pdfIn PDF document text
- http://physio-praxismitte.de/userfiles/30116833332.pdfIn PDF document text
- https://jamuiboe.com/webroot/upload_media/wazijazewesurim.pdfIn PDF document text
- http://runbo.net/upfiles/files/16310223582809.pdfIn PDF document text
- http://jainfarms.com/uploads/fidisajoxilawajifaf.pdfIn PDF document text
- http://dzbnf.com/upload/file///36591718099.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec50520088---97751093996.pdfIn PDF document text
- http://chinalabware.ru/d/files/58154920850.pdfIn PDF document text
- https://securitydm.com/slicice/file/foxatunigenok.pdfIn PDF document text
- http://aurora-c.jp/files/files/64845149375.pdfIn PDF document text
- https://associazionemusicaviva.it/uploads/file/zaxekuduweb.pdfIn PDF document text
- http://ux-school.ru/files/files/tokakupobojemekedexusawet.pdfIn PDF document text
- http://rideco.hu/upload/file/jawivo.pdfIn PDF document text
- http://canadapremiumlubes.com/survey/userfiles/files/sitivexafanovi.pdfIn PDF document text
- https://yomadesign.com/userfiles/Proj_Name/files/xamafinorujetorupevoxoxuw.pdfIn PDF document text
- https://mytekas.com/UserFiles/file/22264236520.pdfIn PDF document text
- https://vico-domrep.com/ckfinder/userfiles/files/jubano.pdfIn PDF document text
- http://matras-devison.ru/upload/file/konisemuloletokokapa.pdfIn PDF document text
- http://www.ssc-ras.ru/ckfinder/userfiles/files/sejorelirejegezosiw.pdfIn PDF document text
- http://megaprestige.ru/uploads/files/3228574846.pdfIn PDF document text
- http://worldcar.jp/userfiles/files/nadupikivajesaxivipuvuz.pdfIn PDF document text
- http://only-svet.ru/upload/files/99668274306.pdfIn PDF document text
- https://gulamanis.com/contents/files/1578484349.pdfIn 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://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_off00012638.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12638 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013e4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E4F | 10324 bytes |
SHA-256: ea7dcf355312facdcecc02919a11ea38133ed49a9ae9b9c82fc4d1f9679c77bf |
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font_02_sfnt_off0001555d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1555D | 20316 bytes |
SHA-256: 1ed9e3a2794d22616ec2b4b2cc2b42b3b66f9674479df63332f1de4041b0db8a |
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