MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a large number of external URIs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://wastran.ru/uplcv?utm_term=watch+the+avengers+online+123movies
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16071b7658e333---wikipoxoxiterube.pdf
- http://hotararicedo.ro/files/files/nuderuluvelububosomipunuv.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb8550d03d---puwofunijuga.pdf
- http://harrisonsfamilyreunion.com/clients/62911/File/75275956093.pdf
- https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/ae72l1n8if60194vomt14g3c54/64251939478.pdf
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/98b63223c3c0e5682f54d04f0a0e44f0/65818651335.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/f89b4d327ef789f0b4ee7f16ee08328e/18988579078.pdf
- http://www.asap-recruitment.net/upload/file/48968902783.pdf
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a265f81b540---62655309308.pdf
- http://medicapoland.pl/uploaded/file/fawubigaribizap.pdf
- http://xycrusher.com/d/files/zisumekesojevulumu.pdf
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/maide3kf8rhul0192vup1u8g27/potijofexe.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c86303358f---16629771670.pdf
- http://bugaboo-buffalo.eu/UserFiles/File/zowafawoperuwawemakowo.pdf
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac46df61929---zatumejetin.pdf
- https://agrilaui.com/userfiles/file/87758146177.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081f8bc5caa9---lagozav.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/b0a2bac328972a82e1a4d71cd185c6b9/56892833080.pdf
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/7e6a4cfd3466bf7abfd3ed6ce7701fcc/wukegomeren.pdf
- https://markmont.eu/editor_uploads/system/files/zolizam.pdf
- https://noddy.nu/images/file/59537413076.pdf
- http://covinahigh1980.com/clients/1/14/147ee80f0cf2e08ca1b5067d21485a43/File/18863282616.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607955a02f730---wuditeniz.pdf
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/36hladc9a91i8f6ck1nd8euag6/46398656412.pdf
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc79c3a23e---96658567717.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/93f3cd72480a46012a8c8a9949e26e25/68891456262.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_off0000ec03.bin9f16a64e7c325657d4f8e02659a721e6529f0f0c46dde8ce295851d9e08597fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC03 | 11080 bytes |
font_01_sfnt_off000105d5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D5 | 16792 bytes |
font_02_sfnt_off00011de7.bina5e380164ef58f8c2f2b13431b3a30743153dbfc5b16510dd97f621200c46403 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DE7 | 17572 bytes |
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