MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to disposable hosting and are structured as link farms, indicating a phishing or malicious redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were extracted, the heuristic PDF_SEO_DISPOSABLE_LINK_FARM and the sheer volume of external links point towards a campaign to drive users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://sakem.org/userfiles/files/71377424680.pdf In PDF document text
- http://virtuozi.ru/sites/all/sites/virtuozi.ru/files/9125730644.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/161319247195f9---xitigenepuvebev.pdfIn PDF document text
- https://www.miotsukushi.or.jp/system/ckfinder/userfiles/files/gogeloz.pdfIn PDF document text
- http://hytechcommunications.com/userfiles/file/mogewo.pdfIn PDF document text
- http://zhuxintrading.com/uploads/ckfinder/files/20210927/16327119814303.pdfIn PDF document text
- http://cokhihoaiduc.com/uploads/files/67231150045.pdfIn PDF document text
- http://kanomax-nsk.ru/images/73782214872.pdfIn PDF document text
- https://landviewdesign.com/userfiles/file/bemodajibagiwowuxe.pdfIn PDF document text
- http://cngwalk.com/fckeditor/userfiles/image/71263718430.pdfIn PDF document text
- https://mekongtransport.com/upload/userfiles/files/60985131126.pdfIn PDF document text
- http://gzcaifeilai.com/ckfinder/userfiles/files/202109122246209500.pdfIn PDF document text
- http://poddertradingandindustries.com/userfiles/file/bitaralobewizelut.pdfIn PDF document text
- https://alharithiforcameras.com/ckfinder/userfiles/files/keguwuj.pdfIn PDF document text
- http://cappellastudio.it/userfiles/files/88780667388.pdfIn PDF document text
- http://volkshilfe-vlbg.at/images/content/files/97752331855.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/45a3f96904f53021619b16e1959e0f29/tobifisibeno.pdfIn PDF document text
- http://rejs2013.cycling-recycling.eu/imgturysta/files/21723962224.pdfIn PDF document text
- http://fanti-fitness.pl/uploads/assets/file/65041269746.pdfIn PDF document text
- http://gostinica-domodedovo.ru/files/sugojipolifubodoguvifapu.pdfIn PDF document text
- http://ctyrkolky-gamax.cz/data/dokumenty/93370389907.pdfIn PDF document text
- http://thehedgerowchronicles.com/ckfinder/userfiles/files/wilokiwajeb.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=amiibo+nfc+codes+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_off0000b047.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB047 | 14676 bytes |
SHA-256: 979ca799a810c9ab55341dd24a2f9aad4b51a3170734547990b56ddd91eb1464 |
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font_01_sfnt_off0000d529.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD529 | 10612 bytes |
SHA-256: 7faf4a64e2dda6e03d5ac3a4f12bd0849c2ceffb3b7084eaf296884673634d89 |
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font_02_sfnt_off0000ed67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED67 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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