MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as a phishing trojan and ML classifiers indicated maliciousness. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and a high number of distinct hosts further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://unternehmensberatung-hegenbarth.de/userfiles/file/36559581992.pdf
- http://files.ibiza-ferien.de/file/73367575698.pdf
- http://barrybusiness-crm.com/ressource/devis-photo/files/37622327399.pdf
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dddb792ef86---11204994571.pdf
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/94378202334.pdf
- http://ecandrychow.pl/Image/files/xogopivefanodomebajuvef.pdf
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/ip9k3rb1pjrn7pik4dascvhtin/xoxodovafosodumixedo.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16096a08285856---vovireparixaz.pdf
- http://darec.sk/files/files/30741537603.pdf
- http://divorcefinance.nl/uploads//file/rebefiwinudob.pdf
- http://954move.com/clients/4890/File/93697247481.pdf
- http://jshtextile.com/UserFiles/file///titenunudipatexas.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/113kqs58379mm9dvc998gvfuk7/41581050676.pdf
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160f3feea8fa0c---9840304566.pdf
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/d4b006cbd798d623d4ca1b813bd66e67/zefevisivizuza.pdf
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160926cfd7cb6e---sololanasirigepamuvo.pdf
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/19ba366c29ea714f7ca3c12f7d04aea1/96067761635.pdf
- http://matchedtubes.de/userfiles/file/vuzuzawedewabomuda.pdf
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/3bbb5662e8b827f145483aa164f97737/54212769994.pdf
- http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095d71ba3ce5---67208244042.pdf
- http://gelateriacool.it/userfiles/files/98382519934.pdf
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6f1f021c4b---xegajuwinineziwa.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4fdfa5e9ce---85381102772.pdf
- http://ipublicity.cz/data/file/80075876814.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a18a10191be---xidemojagireke.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=wings+of+fire+book+14+read+online+free+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_off0000fad1.bind1650a89d0aa22c10059e54b9d5d6dd83cb8cf2c126c1e5302f16abd3d663a1b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAD1 | 10928 bytes |
font_01_sfnt_off000113e1.bin1e02c731c31d2a9c0ee5bcc75ce7dcf3d62b5213591201a17c832989e1496cec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113E1 | 17108 bytes |
font_02_sfnt_off00014081.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14081 | 16792 bytes |
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