MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous embedded URLs, many of which point to disposable domains and are part of a link farm strategy, suggesting an attempt to distribute malware or phish for credentials. The presence of external URIs and IP literal addresses further supports this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://infrive.ru/uplcv?utm_term=tekken+5+full+game+download+for+android PDF link annotation
- http://www.pattyn360.com/upload/forum/files/44134855278.pdfIn PDF document text
- http://hanahana.vn/media/ftp/file/xavijenevaroj.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c57667e69f---mojosefebenulazilor.pdfIn PDF document text
- https://pvcmikser.com/upload/files/4016898775.pdfIn PDF document text
- http://atem.sciara.eu/public/upload/file/rikedenigixepa.pdfIn PDF document text
- http://gpshardorawal.com/hemkunt/userfiles/file/86724959224.pdfIn PDF document text
- http://185.33.116.145/~acus01/upload/files/91673944936.pdfPDF link annotation
- http://lhdrum.com/User_File/UpFile/file/20210913010111_YnV0dWdvZ29nZWxpcm94.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/26abf2743e4664bcbe21b99cbc7d3370/78074033483.pdfIn PDF document text
- https://ijtm.in/userfiles/file/33125502271.pdfIn PDF document text
- http://cansuyu.org/resimler/files/bulovovodudirisegamu.pdfIn PDF document text
- https://termofriz.rs/files/8666178046.pdfIn PDF document text
- http://telecycling.org/files/file/15567418514.pdfIn PDF document text
- http://tingchucontrol.com/Uploadfiles/files/gadapujuxakibubala.pdfIn PDF document text
- http://a899.net/userfiles/file/27510406191.pdfIn PDF document text
- https://royal-art.pl/uploads/userfiles/files/27104263570.pdfIn PDF document text
- https://bravo-hk.com/userfiles/file/rowevi.pdfIn PDF document text
- http://madmojo.com/fckupload/file/lovufapijojew.pdfIn PDF document text
- https://caribemed.com/userfiles/file/35705766851.pdfIn PDF document text
- https://ambalatender.com/upload/files/70153228050.pdfIn PDF document text
- http://www.addvanceo.info/userfiles/files/getepifemofizumagu.pdfIn PDF document text
- http://tcgardening.com/userfiles/file/2021092220460973499.pdfIn PDF document text
- https://fivetc.vn/uploads/files/poxewuzipolesud.pdfIn PDF document text
- http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/42510630213.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_off0000b1c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1C2 | 14584 bytes |
SHA-256: 34e17fa159feb19ca2bdb6662b01cc4b38fe01fd9ef97312218f256d5dc6b043 |
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font_01_sfnt_off0000d637.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD637 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ee4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE4E | 10808 bytes |
SHA-256: 2541fc4131857c5e80a18725a277a7a02c0dd784648de54c5734f073cc6649f8 |
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