MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress upload directories or disposable hosting, indicative of a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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 http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614833812da4f---vojoxovuwifefo.pdf
- http://haki.vn/uploads/files/64477432989.pdf
- http://ty6600.com/userfiles/file/22454758835.pdf
- http://h04ydivan.ru/userfiles/file/zetejimijojola.pdf
- http://ideviceplus.be/app/webroot/files/userfiles/files/soduv.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614637d0e85ef---19775860099.pdf
- http://zkpower.net/upload/files/sitiropibulidevajilopuf.pdf
- https://foundlight.ca/home/foun6192/public_html/files/custom_files/file/85341836467.pdf
- https://suacuacuontoanphat.com/upload/files/pemewuf.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613f0240dee29---wonetabeka.pdf
- http://cuanhuaabshanquoc.vn/files/76556908375.pdf
- http://china-baby-clothes.com/d/files/26472970036.pdf
- http://perevodvnegiloifond.ru/pict/file/manigegesixiripafavasubo.pdf
- http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404d04d6d05---98562254233.pdf
- http://dpsnowodworze.pl/userfiles/file/gamuxasidatisasuj.pdf
- http://gerastar.com/userfiles/file/suputijavotekavuwizijo.pdf
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/7d17e3a5d35c0f44024cf5326ccc50d9/savelivif.pdf
- http://saveursetsavoirs.fr/image/file/99434191820.pdf
- http://lindseyderence.com/userfiles/files/lajafomu.pdf
- http://conservativista.com/js/ckfinder/userfiles/files/vufabure.pdf
- http://goldendazzle.com/upload/quangtri/files/29602059865.pdf
- http://voszveszprem.hu/_user/file/91226439527.pdf
- https://episcopiaoradiei.ro/files/59122841712.pdf
- http://donkaew-furniture.com/ckfinder/userfiles/files/puzowowomig.pdf
- http://khamtribacninh.com/images/files/fumafovotukib.pdf
- https://autohausnschmidt.de/userfiles/file/84407743917.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=k+means+binary+data
- 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_off0000b287.bind726d00f43c8697b4683e9053ba9c2e4ed9c7a0bb9791ceec4080bca5483bd60 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB287 | 16472 bytes |
font_01_sfnt_off0000dcf4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCF4 | 16792 bytes |
font_02_sfnt_off0000f50b.bindaf4a0b46169579f8f90bdec1faed3cf49b5069112869c16bfb2171baa86897b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF50B | 10488 bytes |
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