MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs that point to compromised WordPress installations, likely serving as a distribution point for further malicious content. The primary attack pattern involves luring users through a malicious attachment to access these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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 https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16087cc9320109---74034610034.pdf
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16072d8590afa0---64341507927.pdf
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f606372b09---novaronip.pdf
- http://airlineclassof66reunion.com/clients/c/cb/cb51827d251551eca15067b3b23580a4/File/16288146243.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d152376617---22699725092.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087ee7c1679f---gusokav.pdf
- http://parfumerieindex.nl/images/uploads/63268857911.pdf
- http://scottleddy.net/clients/862555/File/26504195793.pdf
- https://anandamsanyal.com/userfiles/file/pexabegunakarufavamosifav.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b729230c77f---76845138104.pdf
- http://chinajnbt.com/images/upload/File/jetukojeruzudinogunip.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef69dd9465---13316619272.pdf
- http://luxmeterthai.com/ckfinder/userfiles/files/47043495547.pdf
- http://abwplazaview.com/uploads/files/ginorokaburajiwurato.pdf
- http://bundoreh.com/fckeditor/files/file/fepekebawubowu.pdf
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607effe6c121d---kamafeneramu.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0e471f873---91806764124.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a44ab2a2148---tubaduxotuzosopitogupi.pdf
- https://industriameccanica.it/file/50184015062.pdf
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/9d70e25d433efe6ddbba2b651d09b0b3/lizur.pdf
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/34v58tb7sekb2dtukh779e3uog/27451857966.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/13e3668aa0d3c13c12a9f5772bdc56f3/jozoz.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/59cb8l8g1nvev0n2v5aek2kei0/finisa.pdf
- http://iphonedown.com/ckfinder/userfiles/files/88682463790.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=703+area+code+is+where
- 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_off00011d77.bin4e564c15deda8dbdaad65a0942bb62ed0910beda54bd958ff0d1df7c5aa438be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D77 | 10552 bytes |
font_01_sfnt_off000135c0.bin02aa716d36a3573f4a99106d03b3fcbe9069e5ccedf07e9501e90f73bb64df8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135C0 | 16624 bytes |
font_02_sfnt_off000160ea.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x160EA | 16792 bytes |
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