MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external URIs and links to compromised CMS uploads, indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The document body is unreadable, but the heuristics point to a malicious link distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://drafthe.ru/uplcv?utm_term=why+is+my+belkin+router+blinking+blue
- https://wotfiles.com/ckfinder/userfiles/files/wugakopifujadazuzo.pdf
- https://tsolisp.com/files/file/48365811457.pdf
- https://nullemont.fr/nullemont/ckfinder/userfiles/files/kidotavanetasotoluwuru.pdf
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/e1177dc0cc77e10ee19d52739ffc2c3c/kidov.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160f425ca77788---lolokodove.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/q60lbrolln2ahe8d0ijjhca1c7/18791903429.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/68143b3bd141fcbb3d9b8cead1aa6112/xifesanagovopajipopufik.pdf
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/3c949bb1bddb3a2816a66c51b9ad811f/6730551862.pdf
- https://g55net.com/webpagebuilder/ckfinder/userfiles/files/zeduzopemojepelutariw.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/2a795965094e1a0814c61b6b480c60ad/38833488584.pdf
- http://hongphuc.vn/userfiles/file/18920471049.pdf
- http://dok-vo.ru/userfiles/file/60024786556.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/r2p3vlihd3090eg86h1htam560/36927578138.pdf
- http://csc0535.com/userfiles/file/20210728144605_0b5b7d.pdf
- http://suacona.com/clients/16856/File/9127295384.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c76b0bb2abf---31543508270.pdf
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095abad1fff3---50588827528.pdf
- http://glastergroup.ru/userfiles/file/vuxovunora.pdf
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/apttv8ur326h4ahja94k92uk3k/82561229942.pdf
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/sh1a1j8rfq3am06rfc0mojih97/49146689161.pdf
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/690d7a2af4b69c5d9f12f55811dd5312/pebonox.pdf
- http://levne-pohary.cz/UserFiles/File/pegepifelixek.pdf
- http://growlink.biz/userfiles/file/fasorowaxekiretowatotazi.pdf
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/6db770c611ee0d4aec1421cbe3f6e887/29502816699.pdf
- http://landpas.pl/upload/file/lexavanuwuzikemasewo.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_off000100d8.binc863f32afb3442d4285ff48a509e4237ac0689443670e42181c63424bdf17c1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D8 | 10832 bytes |
font_01_sfnt_off000119a5.binced7c2cae3ad824988bf456e7da6f1b5d06fac21f26f6ffae40ee2a0bfe5bc65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119A5 | 16828 bytes |
font_02_sfnt_off000145a1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145A1 | 16792 bytes |
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