MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads and disposable hosting domains, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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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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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://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/9ac3b1ccdfd3a39c4bc6769d7c73e9d0/64804390358.pdf
- https://alharithiforcameras.com/ckfinder/userfiles/files/nopelamupamutikasaf.pdf
- http://halongbaycruises.org/upload/files/99964503198.pdf
- http://osoboebludo.com/ckfinder/userfiles/files/28575504839.pdf
- http://phantasos.org/userfiles/file/maxozeme.pdf
- https://xaydungdonggia.com/app/webroot/files/images/pages/files/josafiro.pdf
- http://maekuangudomthara.com/ckfinder/userfiles/files/7782512294.pdf
- https://hmanagement.net/userfiles/file/wixulobevilaruduw.pdf
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/3c80a8b4af582c203c5a873c8e53a48b/jazedigituwalemuro.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607f14979f306---kipexax.pdf
- http://galeriejacqueselbaz.com/userfiles/file/33203421416.pdf
- https://praward.tw/wp-content/plugins/super-forms/uploads/php/files/381d22020740d02d55ef150d118486f4/40622450284.pdf
- http://akwarella.pl/user_uploads/file/suxonulimekagirevogene.pdf
- https://salvatoredivilio.it/userfiles/file/24488498727.pdf
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/b7cb50e80d5f6b7a13d269cb9bd66785/51419277301.pdf
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607c89e985262---34481925976.pdf
- http://staples1981.com/clients/b/ba/ba027a536d51c1d997ee76cae6dc9017/File/88905747340.pdf
- http://sunrui-ti.com/d/files/72970972513.pdf
- http://meskerjager.nl/media/files/nizower.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bc264056c98---56789439365.pdf
- http://cestovni-postylka.eu/userfiles/file/siliv.pdf
- http://universalthailand.com/images/uploads/ckfinder/files/13270719490.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0b5070f584---18853814920.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=mycoplasma+characteristics+pdf
- 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_off0000db1c.bindf1ab39c814245ff0c785f68267483a7e95c6ddc832f7c6efaab374b2993cbf4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB1C | 10888 bytes |
font_01_sfnt_off0000f452.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF452 | 16792 bytes |
font_02_sfnt_off00010c64.bin2cd4c8e190897e8c97f2096bb3a02596bdfba655201fff56e56babffb8ac510c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C64 | 17496 bytes |
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