MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ML classifiers and ClamAV, indicating a phishing or malware distribution intent. It contains numerous embedded URLs pointing to external PDF files, suggesting a link farm or redirection mechanism to host malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a pattern of using disposable hosting for these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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 http://drigungkagyurinchenpalbarling.org/upload/userfiles/files/8685996074.pdf In PDF document text
- http://dar-tom.pl/userfiles/file/37884487928.pdfIn PDF document text
- https://bienenaktuell.com/sites/bienenaktuell.com/files/file/fonesuzenumonurewinekebe.pdfIn PDF document text
- https://unaizahic.com/Files/files/82201265037.pdfIn PDF document text
- http://vocal.bpv.su/content/files/files/ziwudo.pdfIn PDF document text
- https://hssanesteban.cl/files/kezufotetekamemivut.pdfIn PDF document text
- https://kurek-rowery.pl/user_pict/file/3558869242.pdfIn PDF document text
- https://yptea.com/data/fckeditor/files/83952833928.pdfIn PDF document text
- http://uptownherndon.com/uploads/files/4452782066.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/579cd8639cb7095139fe4f5a93ba3615/lutege.pdfIn PDF document text
- http://maremania.net/img_pagine/file/ditobeburozoku.pdfIn PDF document text
- http://anindecor.pl/files/file/xivebumoxaravosu.pdfIn PDF document text
- https://timminsrenovations.ca/file/Bat5WNKyReBxMLCA.pdfIn PDF document text
- http://usarsenal.it/userfiles/files/74604978892.pdfIn PDF document text
- http://arsvet.ru/img/upload/zoxegibamamu.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/18eervlskob48ec2uan3i521l4/18313321820.pdfIn PDF document text
- http://zehanbiopharma.com/upload/files/kaxebifape.pdfIn PDF document text
- https://robustbrakes.com/administrator/imagetemp/file/timetakewima.pdfIn PDF document text
- http://podwierzba.eu/ckfinder/userfiles/files/dunimexapi.pdfIn PDF document text
- https://gedayapi.com/userfiles/file/57736706151.pdfIn PDF document text
- https://tarzminder.com/resimler/files/sugabewijaxojonane.pdfIn PDF document text
- http://audidalys.lt/ckfinder/userfiles/files/puvizuvimenuvatolovezubu.pdfIn PDF document text
- https://hyosungulf.com/uploads/file/449032972.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=social+media+marketing+principles+and+strategies+pdfPDF link annotation
- https://rt9.rspo.org/ckfinder/userfiles/files/35103729893.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_off0000fd4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD4E | 17444 bytes |
SHA-256: 4e364cdd7352f27cbdf801d43507049d0b6d98d46fc816d79f5ed5186d5e4504 |
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font_01_sfnt_off00012af6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AF6 | 11128 bytes |
SHA-256: ebefacb56cd8712b24e2be645ae8927d6018aa649e529224953bc5aa2b3ab345 |
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font_02_sfnt_off000144aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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