MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised WordPress sites, which in turn host more malicious PDFs. This indicates a phishing or redirection campaign designed to lead users to malicious content. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 http://kutscher-customs.de/gfx/userfiles/files/balenezagovipagu.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/f6a8d72154831e13288c8214811115c3/fajogevakifotewakorusedug.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d00f291a59---jafixokadumijen.pdf
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/u4dei8iugpc38qd1unjbvchhnp/mavisitolejivabin.pdf
- https://bank-kredit.at/ckfinder/userfiles/files/47608970471.pdf
- https://pearproperties.in/userfiles/file/taviloligekem.pdf
- http://cn-polylysine.com/d/files/81622325928.pdf
- https://krossi.ru/images/content/files/44438009221.pdf
- http://cableesmaltado.com/d/files/87418211806.pdf
- http://grawerlik.pl/userfiles/file/24440060308.pdf
- http://yasaitogo.com/uploads/files/farakipozagometup.pdf
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084e68e89a9a---90250496491.pdf
- http://website-design-company.in/dev3/damodar/ckfinder/core/connector/php/userfiles/files/kepuxadodexifinejati.pdf
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/b9c824375d695c90916841c5ff645e4e/30329416824.pdf
- https://mongolia-volkslift.com/uploads/files/6426706628.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ccf1a6d7852---83893232686.pdf
- http://brilliantsolarpaneling.com/userfiles/file/98593399605.pdf
- http://ambulatorioveterinariomariani.it/userfiles/files/tetudeliponasabirosoliv.pdf
- http://bjbtrh.com/files/pic/file/ranukogugidepajisojibu.pdf
- http://hoigolfbinhthuan.com/users/files/47328796239.pdf
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16123c21957360---25817184790.pdf
- http://kiuruvedenlukio.fi/tiedostot/file/sesubotopowivutotoki.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16071d12e26a3e---purib.pdf
- http://vertracapital.com/uploads/files/fusuvarefowegazikinufenu.pdf
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/j08mon0l2056ljvr8abnhmfkk0/90695252509.pdf
- http://kingsfinancialconsulting.com/userfiles/file/betivupurinekip.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=gns+meaning+on+snapchat
- 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_off0000e393.bind987a851649654f29a34294a02864c1b9e0a7c1566208ebdac1f1e4e52c26ce2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE393 | 10712 bytes |
font_01_sfnt_off0000fc0a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC0A | 16792 bytes |
font_02_sfnt_off0001141c.bin2f6846db2fb87f0e810381118b0d869fb223abbc03714b0a3e9ee26f26cf31d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1141C | 18140 bytes |
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