MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised CMS uploads and disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of many external links strongly suggests an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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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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://xaydungphongphu.com/uploads/files/72078003668.pdf In PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160948f2031e27---45190304041.pdfIn PDF document text
- http://vigova.vn/Images_upload/files/30381561840.pdfIn PDF document text
- https://roeveragri.ac.in/wp-content/plugins/super-forms/uploads/php/files/e59beedb90581fb17131e3aa2b4c8789/78438657089.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/ju7eopbq6sm80m46f9vlc8qnv6/25778373303.pdfIn PDF document text
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/pv0j276b1hs5gd147lk812u611/24753006020.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/fcl3de5eg72lnfe6kqungdsqf5/dojalawawim.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/emcaed8jqu7e53t87par2jqhl3/jogebexawasusemobujexe.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1607423126e53e---44183035035.pdfIn PDF document text
- http://www.enjoyvaltellina.it/admin/ckfinder/userfiles/files/nidedukewikobanazavafumif.pdfIn PDF document text
- http://goteneplast.se/files/images/file/47135874776.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/qg1uk9c7l32pgjqbq81nc6btgt/denimunolarukowevivogeten.pdfIn PDF document text
- http://cokhibaosang.com/media/ftp/file/duwapojutijolibigonomonob.pdfIn PDF document text
- http://projecthouse.bg/uploads/CKfinder/files/gijirozi.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160841089b08a0---8399069535.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf5602be760---37755300237.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077547ba3728---26096776811.pdfIn PDF document text
- http://xn----7sbezcba9a5aggb3j.xn--p1ai/ckfinder/userfiles/files/39473193656.pdfIn PDF document text
- http://elskenecologie.nl/files/jexogej.pdfIn PDF document text
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a45faa12ab7---75612789435.pdfIn PDF document text
- http://zovsh.com/Uploadfiles/files/tejezajidesesupasis.pdfIn PDF document text
- https://alshuka.ps/ckfinder/userfiles/files/30930515068.pdfIn PDF document text
- http://romanakladatelstvi.cz/userfiles/file/jatajuwemerojakepopil.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077473d85778---zomit.pdfIn PDF document text
- http://wwstationery.com/files/file/widividebelujuzax.pdfIn PDF document text
- http://tillmanfamilyreunion.com/clients/b/b7/b7385abc5988d1ee605fea7695e3d00e/File/gavodewerukugepudezataka.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=how+to+fix+a+lazy+boy+recliner+mechanismPDF link annotation
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4bd9a29133---31089575134.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f381.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF381 | 16708 bytes |
SHA-256: 9e2c328dd116a6a965bf4dcd75b99dcea936a7656c5f18d05fb26a44962a467f |
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font_01_sfnt_off00011ee7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EE7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000136fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136FE | 11092 bytes |
SHA-256: 2edae68fed912aeeaf18f980f2cb58d01cbe0e9d41fb3fada594bd7be700e14c |
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