MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV detection. It contains numerous embedded URLs that point to compromised WordPress sites and other disposable hosting, suggesting it functions as a link farm to distribute phishing or malware. The presence of external URIs and link farms indicates an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.7561
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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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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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://medvor.ru/uplcv?utm_term=123movies+other+sites
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161419d8e6d514---nigozefagexusotirogad.pdf
- http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/kozajow.pdf
- http://yunnanyingxiang.com/ckfinder/userfiles/files/vodosatenuzaxasakoziju.pdf
- http://praxis-greve-polley.de/web/editor/files/36656794250.pdf
- http://yas-center.ru/userfiles/file/12188205151.pdf
- https://ambalatender.com/upload/files/rutogi.pdf
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/1a0119b01fe8c69d9100cf1ee2de60f6/53422371177.pdf
- http://gattoneva.pl/pages/userfiles/file/kapol.pdf
- http://branpc.in/ckfinder/userfiles/files/xufakejawoxusitutunarew.pdf
- http://huthamcauquanggiap.com/upload/files/4732260582.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/01bf2f0016036e57b30abb5416e145de/12901077306.pdf
- http://kovospm.cz/fotky/file/gipini.pdf
- http://aci-immobilier-douai.fr/userfiles/files/52832755898.pdf
- https://vicareyou.com/userfiles/file/74587286992.pdf
- https://xn--fiqa735be48e.com/upload/files/90741124350.pdf
- http://historia-bfured.hu/userfiles/file/12504573068.pdf
- http://sutipatika.hu/userfiles/files/gudutusenomumexibazez.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/8ur8tp9q81t0frtpap6u6gm8ec/20031511272.pdf
- http://bradhelferlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dadutesamuwokaw.pdf
- http://www.oteliapelsin.ru/ckfinder/userfiles/files/10141530754.pdf
- http://jyjwqj.com/uploadfile/file///2021091517492885.pdf
- http://abwgulfport.com/uploads/files/56597278954.pdf
- https://jf-orvalho.pt/userfiles/file/rowupokululi.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_off0000f49d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF49D | 16792 bytes |
font_01_sfnt_off00010cb4.bin55de0420044718786623aa54c3335706ef44c6b28d1b95059e39534b66db32fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CB4 | 10376 bytes |
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