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. It contains numerous embedded URLs, many pointing to disposable domains, and exhibits characteristics of a link farm designed to redirect users. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a deliberate attempt to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://wasserburg.pl/userfiles/file/93247281526.pdf In PDF document text
- https://chungangroup.com/uploads/files/202109130007498472.pdfIn PDF document text
- https://intrastorg.com/userfiles/file/91385312040.pdfIn PDF document text
- http://i-daa-wl.de/userfiles/65637938528.pdfIn PDF document text
- http://fujiya-burbank.com/uploads/files/68584874702.pdfIn PDF document text
- http://www.startbatteries.gr/ckeditor/ckfinder/userfiles/files/35461608492.pdfIn PDF document text
- http://ewhamd.net/upFiles/ckeditor/files/pijixejixoridazitaga.pdfIn PDF document text
- https://sealskinz.ru/files/file/gexuroninogojaj.pdfIn PDF document text
- http://lingeriedediva.com/UploadFile/file/2021090615163373499.pdfIn PDF document text
- https://lbk-ingatlan.hu/uploads/file/ruxuxabapubumibapibajij.pdfIn PDF document text
- https://hotelexpert.ro/uploads/files/pabaz.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b09934934d---nobixasarodelipepad.pdfIn PDF document text
- http://www.enjoyvaltellina.it/admin/ckfinder/userfiles/files/26237733875.pdfIn PDF document text
- http://rcp-ranstadt.us/files/55442815554.pdfIn PDF document text
- http://hzqzg.com/d/files/betilitazatisal.pdfIn PDF document text
- http://maility.pl/_ADRESuserfiles/file/zerakewusoxox.pdfIn PDF document text
- https://angkalaris.com/contents/files/1506751801.pdfIn PDF document text
- http://podhoru.cz/userfiles/file/3698966943.pdfIn PDF document text
- http://headrepublic.pl/images/files/dalebikemivikudesi.pdfIn PDF document text
- http://efuturesthai.com/uploads/file/foxasigevetofegefusib.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140748e26800---jedibepozepipadagodo.pdfIn PDF document text
- https://machnhaduong.com/images/uploads/files/63446955878.pdfIn PDF document text
- http://daehwa.info/uploaded/file/35684271767.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=play+ps1+games+androidPDF link annotation
- 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_off0000e19b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE19B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f9ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9AD | 17876 bytes |
SHA-256: 3996a4d72d94a60bbbc5dca5bdce3ced8ee3a3a126e496a4f076253b77aca8a5 |
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font_02_sfnt_off000127c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127C2 | 10804 bytes |
SHA-256: e552abcfb4027b6279a349980f299c62dc437ad8881c7a6cdd41bbcefa6cd6bb |
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