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. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed to host numerous links on disposable domains, a common tactic for distributing phishing lures or malware. The embedded URLs point to suspicious domains, suggesting the document's primary purpose is to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 5
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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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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://krisoc.ru/uplcv?utm_term=shortcut+to+open+settings+in+chrome PDF link annotation
- https://beamstraffic.com/amb/userfiles/file/jijulegak.pdfIn PDF document text
- https://delaneyllc.cfonewsletter.com/ckfinder/userfiles/files/93384127525.pdfIn PDF document text
- https://zhansq.cn/upload/file/91325005486.pdfIn PDF document text
- http://allefrgycg.news-read.com/upload/files/tosinugixinebaxevefafej.pdfIn PDF document text
- http://gazetavk.ru/img/file/41886543939.pdfIn PDF document text
- http://cayxaotamphan.net/userfiles/image/file/dimakugo.pdfIn PDF document text
- https://wonwon.taipei/photo/file/kokugodonikiwexomen.pdfIn PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/84958793210.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/figujililimizejixevux.pdfIn PDF document text
- http://indcms.testingmachines.com/images/file/7420307788.pdfIn PDF document text
- https://mobile-translator.eu/app/webroot/media/files/fuzatifuladazakomerokufen.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef32da3167---34550874547.pdfIn PDF document text
- http://dvif.fr/userfiles/file/wifuwiwuladenuten.pdfIn PDF document text
- http://rw-hse-businessconsulting.de/userfiles/file/daxajipeteso.pdfIn PDF document text
- https://propage.q-cloud.net/upload/ckeditor/pages/files/sewizogit.pdfIn PDF document text
- http://erbaytag.com/resimler/files/jogijon.pdfIn PDF document text
- http://erex.hu/upload/file/gaketofezurunazupadego.pdfIn PDF document text
- http://appartenvue.net/appart/upload/images/milemolasabikajopevapiv.pdfIn PDF document text
- https://jagamimpi.net/contents/files/44389732293.pdfIn PDF document text
- https://tour-paris-guide.com/cite_imgs/file/libitikatumalajizimeleke.pdfIn PDF document text
- http://downtowncincyhotels.com/core_degree/admin/images/cms_imagesfiles/fusibapuniwozalopawirutok.pdfIn PDF document text
- http://www.iciparis.ru/ckfinder/userfiles/files/liboti.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/373f9a747d8f4f572abe08b4e66d8f8f/baguvawapu.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_off0000ea80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA80 | 18496 bytes |
SHA-256: 3abefdcf414cd2fa7242e1d4d18bfd7a29fbee5da3ea37c8bdcd2b2b057560c9 |
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font_01_sfnt_off00011a42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A42 | 10788 bytes |
SHA-256: 87e92535ae18fce4dbbc520ce3682907ac61edb7c812d86a0f5765aff41c12d0 |
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font_02_sfnt_off000132e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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