MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm designed to redirect users to malicious content. The presence of JavaScript indicates potential for further exploitation or payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.5661
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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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://pistant.ru/uplcv?utm_term=android+parallax+background
- http://hgbs.de/userfiles/file/26940954057.pdf
- https://dreptultau.hotnews.md/upload/userfiles/files/17423277380.pdf
- http://membranekeyboard.pl/_data/file/xevogusepemefelibonad.pdf
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/57839105471.pdf
- https://htapigroup3.com/contents/files/xijerifukabuxezonewevaki.pdf
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613390db0411b---71530637072.pdf
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/4c5e24ef8b3197a556080cf1f06bee2a/90704326612.pdf
- http://www.erealitysolutions.com/tennisontario/assets/appsadmin/js/ckfinder/userfiles/files/forugaxeredidupuxawe.pdf
- http://aktifimmo.lu/userfiles/files/83825186252.pdf
- https://aljazeerahpetroleum.ae/userfiles/files/48630923047.pdf
- http://fjzy18.com/image/uload/files/xoziwoxuxunimib.pdf
- http://bunny888.com/ckfinder/userfiles/files/84646821780.pdf
- http://demenagements-remond.fr/userfiles/file/20210907162712.pdf
- https://girilawfirm.com/content_files/files/50805942748.pdf
- http://www.anaja-inter.org/public/file/jiwoxadukafeluzixowa.pdf
- http://dongphat.net/upload/files/3635074285.pdf
- http://tdsns.ru/userfiles/file/mojexijabazawewabiguz.pdf
- http://sjhtractor.com/d/files/37686520301.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/16135531b5cd45---xirivatiwotidarabeb.pdf
- https://ferest.ro/imagini_ws/genebamibaxajuvawa.pdf
- http://portakalweb.net/home/portakal/public_html/ckfinder/userfiles/files/sovetinutivawuzelujido.pdf
- http://rkmaster.ru/uploads/files/36539667429.pdf
- http://lignumweb.com/site/webroot/uploads/files/3307010985.pdf
- https://www.colline-eternelle.com/ckfinder/userfiles/files/47198154850.pdf
- http://ornito-silesia.eu/userfiles/file/kosowawatiparetigoxiged.pdf
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c9a8.bin7930881c5fd43942ebf4f72aaef90eaf3ce6144b5086a4861cce31fb4806bbd6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9A8 | 10704 bytes |
font_01_sfnt_off0000e1d9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1D9 | 16792 bytes |
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