MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and a large number of external URLs, many of which point to compromised WordPress sites or disposable hosting. This indicates the document is likely part of a phishing campaign or a malicious redirection chain designed to lead users to harmful content. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
Heuristics 7
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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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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://philabc.ru/uplcv?utm_term=kof+2012+apk+mod
- http://bzws.zhanyougame.com/ckfinder/userfiles/files/77276692860.pdf
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/422eabb0b4df2b0255795b80521bea03/begevule.pdf
- http://winecellarkeeper.com/ckfinder/userfiles/files/sulozugisu.pdf
- http://delfosventures.com/userfiles/files/51571649250.pdf
- http://autostyle-japan.com/js/upload/files/91841684834.pdf
- https://magiccat.pro/ckfinder/userfiles/files/75449134312.pdf
- https://aiwcecckolkata.org/FCKeditor/file/37929785063.pdf
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/89cb1a1aa562b10696b64bb8ed65c3da/xafavobakevurigebuxeposab.pdf
- http://cateringkieuan.com/uploads/userfiles/file/80749181575.pdf
- https://vatlieutaphu.com/upload/files/97545986551.pdf
- http://emannsltd.com/userfiles/82343452782.pdf
- https://honkakuji.jp/honkakuji/images/ckfinder/files/85954443577.pdf
- http://nadafashionbelt.com/Uploads/file/4346078375.pdf
- http://timeyear-v.com/userfiles/file/maxikadupepokogadelewu.pdf
- https://vialivonica.eu/userfiles/files/simalifigomolazepe.pdf
- https://3rproject.eu/ckfinder/userfiles/files/62477304919.pdf
- http://zhxndl.com/uploadfiles/files/gojivurujebaxemut.pdf
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/161303aff4f2c9---bijitarowixufukavudus.pdf
- http://packturf.fr/files/terefelesirefagetazuvi.pdf
- http://mis.nrru.ac.th/gradjournal/ckfinder/userfiles/files/vadinumoranudel.pdf
- http://madmojo.com/fckupload/file/mekasipekibutem.pdf
- https://singlespeed-switzerland.ch/userfiles/files/nusemakabefubalar.pdf
- http://beta-rc.com/upload/files/196311750.pdf
- http://rentator.com/uploades/fckeditorfile/zevirojuwobegexutepuno.pdf
- http://pphu-joanna.pl/fckpliki/file/xomonijus.pdf
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fdf0f3c6ea---56937115323.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_off0000ca8a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA8A | 16792 bytes |
font_01_sfnt_off0000e2a1.bin9270dce8e075e1e1b3e35393cf4d864e69625af160f6a3dd54120953735e230b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2A1 | 10296 bytes |
font_02_sfnt_off0000f9de.bin9686a72b5e606791666fccf1b8886b7d1da464a2721760c8c8293de82b8edb2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9DE | 18456 bytes |
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