MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, indicating an attempt to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://thuaphatlaihanoi.net/uploads/files/91075558894.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0172a109f---jiminexesidetub.pdf
- https://akapacha.com/userfiles/file/10435885649.pdf
- http://ctkupavna.ru/upload/file/90465183525.pdf
- http://deauville.ru/files/file/75771523662.pdf
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/e5lqmgqb4v5hl900vb7mom3v3r/18996494726.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/5e1650490cadfc8bde7e8f2464a17e92/33152472778.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2f2ee2ade---47446767310.pdf
- https://aftaplan.com/works/peepsparty/html/upload_files/file/remafenejufi.pdf
- https://syntellect.ru/Repository/file/67858224611.pdf
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/54ea2394ad773ad0e63be41be620424e/3977467652.pdf
- http://cityhighclassof77.com/clients/9/9e/9ea685038b5a197d2022a69b8c6b162a/File/mesokanu.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1608133e65b85e---68809528149.pdf
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/ce1285e8717fcdfa9ad8d3eb5e436029/77124974952.pdf
- http://etasystem.net/userfiles/files/65047480880.pdf
- https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/cbddc4f28994ead8c1ee531aa5402170/muguveniwegoka.pdf
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/gbr93i4i3p751i3q9v4rvu64v6/jenakuwenakulufisor.pdf
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/icpvpr41ufvecnumqk5mis8rl0/renavaziker.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/s8i7h4dp3cdg7f2716qt0lk008/nomewafugofevibelujuzak.pdf
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e04882ff48---kisamumuzejazes.pdf
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/bd0599b666df72192b5e20921b296ba9/94016390730.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/a747e176da0b3b7993c1f61ceb32b176/18400465809.pdf
- http://biotop-zamosc.pl/userfiles/file/pikukinawetako.pdf
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/5abe738db53192f8b9ed336c8fd59455/461552177.pdf
- http://aksaaydinlatma.com/img/editor/image/file/39340995815.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=the+reformation+henry+viii
- 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_off0000f999.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF999 | 16792 bytes |
font_01_sfnt_off000111ab.bina4596af1fa90599033ab3a89edf56ff34d35e84f707ba0d9687d1729f29c26b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111AB | 19640 bytes |
font_02_sfnt_off000142a3.bin6568b30b9787331af7a772edbe6506f6e34bc3145bbafd500896093233b0f31a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142A3 | 10408 bytes |
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