MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document that contains numerous links to external websites, many of which are hosted on compromised CMS platforms. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates that the document likely provides a password to decrypt a subsequent archive, a common tactic to evade security scanning. While no scripts were directly extracted, the PDF structure and URL patterns suggest it's part of a phishing or malware distribution chain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/c38c3b5e8bb4c1f9449e8cc2c686a5e7/7451734180.pdf
- http://mtcongnghiepxanh.com/upload/fckimagesfile/66398484934.pdf
- http://nincity.de/inline/file/96743923818.pdf
- http://domuran.pl/files/file/ganit.pdf
- https://sreekanakananda.com/ckfinder/userfiles/files/97443732361.pdf
- http://montpellier-businessplan.com/mbp/upload/images/images/upload/ckfinder/50962621659.pdf
- http://ahkjt.com/upfile/file/42675959931.pdf
- http://yuanjen.com/ckfinder/userfiles/files/93341309831.pdf
- http://millenium.moscowfashion.net/content/xuploadimages/file/zupejenojozexeguji.pdf
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/d5c6d4d69a8c556a8f9c61efc46ecc51/notapubidodegosek.pdf
- https://gertiesbloomers.com/kousumi/nulook/upload/fckimages/file/taxoxoxujosuko.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e54b2a67f5---6694650449.pdf
- http://dr-temt.ru/images/file/89369606839.pdf
- http://clinicaveterinariasangiacomo.it/userfiles/files/vibirefe.pdf
- https://thefertilizergranulator.com/d/files/tapuzakikamiwukoraru.pdf
- https://sieuthimayphat.com/ckfinder/userfiles/files/zesifolifadexujabibexefim.pdf
- https://theshamrockpublecco.it/file/32175578575.pdf
- https://artistprasanna.com/userfiles/file/65738574777.pdf
- http://lsneotek.com/ckupload/files/jarur.pdf
- http://livelyway.com/ckfinder/userfiles/files/welojigivelifomilukariwe.pdf
- http://psychologadamczak.pl/userfiles/file/96517053526.pdf
- http://agama-rc.com/upload/files/pivevufitipu.pdf
- http://powerfalcon.net/uppic/files/74233010130.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=yugioh+2008+world+championship+passwords
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d9a3.binca14f1cea368b6b6714fe52e0af08f8455b79bf52f57d6bd4eef06818e19f8b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9A3 | 17968 bytes |
font_01_sfnt_off00010818.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10818 | 16792 bytes |
font_02_sfnt_off0001202f.bin62faed330f41f392a45e995bebcfe4fa33be0169e9adba04e810482c2c2da349 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1202F | 11348 bytes |
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