MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicate a high probability of maliciousness. The document contains numerous external URIs, many of which point to disposable hosting and are part of a link farm, suggesting a phishing or malware distribution attempt. The heuristic 'SE_SECURITY_BYPASS' indicates the document may instruct users to disable security software, further supporting a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://laborke.ru/uplcv?utm_term=android+smartphone+as+webcam PDF link annotation
- https://kaunas.cvzona.lt/resources/img/files/99253266347.pdfIn PDF document text
- http://chingyi.tw/userfiles/files/65008615614.pdfIn PDF document text
- http://www.oiseaubleu-promo.fr/userfiles/file/46859690009.pdfIn PDF document text
- http://www.cerel.eu/images/wyswig_images/file/jovuzaleroke.pdfIn PDF document text
- http://z-sinpro.com/upload/files/zimuz.pdfIn PDF document text
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/nnrudt3515d3csqmep1a585264/depevibixiwi.pdfIn PDF document text
- http://pneusmarene.it/images/file/45619887619.pdfIn PDF document text
- http://jatyn.cn/upfiles/202109/file/1630700444.pdfIn PDF document text
- https://eastmanllc.net/ckfinder/userfiles/files/64217203935.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1614a19edc9f82---1326360724.pdfIn PDF document text
- http://capthepcongtrinh.com/uploads/news/files/fusox.pdfIn PDF document text
- http://suachuaspa.com/upload/images-content/files/nukozajupukeman.pdfIn PDF document text
- http://kxqcgs.net/filespath/files/20210903200030.pdfIn PDF document text
- http://instalater-macecek.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/jelagemo.pdfIn PDF document text
- https://questyme.com/userfiles/file/jenibixaluxuxemenirazamob.pdfIn PDF document text
- https://path.mn/userfiles/files/27874139320.pdfIn PDF document text
- http://eska-lift.ru/userfiles/file/wovimelegaz.pdfIn PDF document text
- http://take114.kr/FileData/ckfinder/files/20210922_78570836EEB2F3C6.pdfIn PDF document text
- http://satyavnetworks.com/fck_upload_images/file/tojokimenofaje.pdfIn PDF document text
- https://treasurehunterdetectors.solar-ovens.net/ckfinder/userfiles/files/45131146126.pdfIn PDF document text
- http://librojuridico.com/aym_images/files/pubuzokogezup.pdfIn PDF document text
- https://congtydaihai.com/upload/files/71800330285.pdfIn PDF document text
- http://blccy.com/userfiles/files/rerigivol.pdfIn PDF document text
- https://rubfila.in/files/file/potor.pdfIn PDF document text
- http://alacartedesign.de/userfiles/file/34962666406.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_off0000cc37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC37 | 17464 bytes |
SHA-256: 6223cbb1a77c22256dfdeb955bd536342c6ba7573917e2b8789c9552349d7e47 |
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font_01_sfnt_off0000f9d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9D7 | 10940 bytes |
SHA-256: 4a3b050ea2067e5f244a560fd2285d01d36990d333e75142a593a933e1855581 |
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font_02_sfnt_off000112db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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