MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. It contains numerous embedded URLs pointing to various domains, many of which appear to be link farms or disposable hosting, suggesting a phishing or malware distribution campaign. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicates this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://inwebjor.ru/uplcv?utm_term=convert+the+following+degrees+to+radians PDF link annotation
- http://www.valathors.com/ckfinder/userfiles/files/joxesule.pdfIn PDF document text
- https://paidionresearch.com/userfiles/files/tajasitevomom.pdfIn PDF document text
- http://ferrocom-spb.ru/userfiles/files/riwexukazupuvikon.pdfIn PDF document text
- https://littleitalypizzany.com/nbloom/fckuploads/file/wifewuwuworilo.pdfIn PDF document text
- http://trans-serwis.com/userfiles/file/91318271031.pdfIn PDF document text
- http://www.examnotice.in/uploads/files/lezakizireliloliro.pdfIn PDF document text
- http://grupophi.es/uploads/files/18136005385.pdfIn PDF document text
- https://valerart.com/ckfinder/userfiles/files/nefederejodanakukan.pdfIn PDF document text
- https://etadelloro.it/images/file/98469901195.pdfIn PDF document text
- https://xn--80aesyq.xn--p1ai/files/file/lizaka.pdfIn PDF document text
- https://christianbelieversmatrimony.com/web/christiansbelieversmatrimony/photos/ckeditor/files/63702986117.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135a5010c3f2---xopadudesidonidadenix.pdfIn PDF document text
- https://infotechloyalty.com/bot/ckfinder/uf/files/94915842573.pdfIn PDF document text
- https://www.tahitotfaluovodak.hu/ckfinder/userfiles/files/taxufafokaxufaw.pdfIn PDF document text
- http://gewidor-gmbh.de/uploads/files/gekefakiru.pdfIn PDF document text
- http://rbtyutj01.com/userfiles/files/79843377386.pdfIn PDF document text
- http://oticonshop.com/ckfinder/userfiles/files/56408343213.pdfIn PDF document text
- https://maffart-guy.com/userfiles/file/koputinafum.pdfIn PDF document text
- https://igk-lilienthal.de/downloads/88606372170.pdfIn PDF document text
- https://huaienclinic.com/uploadpic/files/48958237009.pdfIn PDF document text
- http://yetisirkaucuk.com/firma/files/jegavozakikufofexo.pdfIn PDF document text
- http://xedaptap.net/userfiles/file/4524852747.pdfIn PDF document text
- http://design-klasse.de/ckfinder/userfiles/files/21858361226.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_off0000c392.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC392 | 10816 bytes |
SHA-256: 4d64dcbd3a0371767a8fe1096fcf4b8cb559854945fbbf2edb253135769e43d0 |
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font_01_sfnt_off0000dc56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC56 | 17916 bytes |
SHA-256: b22ac1c25442609fe486c443eb645fd518feac18221b8f4d4fcfb7621006d16e |
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font_02_sfnt_off00010abb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ABB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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