MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm or phishing lure. The presence of external URIs and a link farm heuristic indicates the PDF is designed to redirect users to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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 https://oniceh.ru/uplcv?utm_term=don+moen+praise+and+worship
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/f7b865e567d7e9ae2d90913b65dc6ff0/bazipixadeja.pdf
- http://micdelhi.in/userfiles/file/78130335281.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cddabc72ace---15192738243.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b844e159415---zaresipisupesujozo.pdf
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4c2c09ec1---roxaviti.pdf
- https://x-leather.com/radsportfiles/file/22985553700.pdf
- https://consurs.ro/ckfinder/userfiles/files/5100190003.pdf
- http://gapoom.com/upload/fckeditor/file/wabafozumilolejekevapasi.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/161167a90b8332---29858235934.pdf
- http://www.farmaciavictoriayjmleon.com/userfiles/files/lisomagituxoxubelogibum.pdf
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096858254cae---90010515270.pdf
- https://xo-sound.ru/userfiles/file/58389241093.pdf
- https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/ltsbvup4s12as0oocan4omvlb4/15177404934.pdf
- http://www.saaegfpolis.org.br/ckfinder/userfiles/files/61925917520.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d42bafef804---25633817056.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba7adfb5bc6---61634066430.pdf
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/cceb41f052e690ed6656a3b7e5bd23cb/sawuburakomebaz.pdf
- http://rolmech-strzelno.pl/Upload/file/zapozitisusixis.pdf
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/cbe8aa4da91a972669361ac0bb32ccaf/74080633125.pdf
- http://bdaudit.ro/userfiles/file/vawifovapiwepobitagapejix.pdf
- http://utuin.net/files/fckeditor/file/25366135842.pdf
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/cfsu977rje3hinlmrtvra6aehl/pukuxonosasevuduwep.pdf
- https://kozmetikadunakeszi.hu/userfiles/file/32458222449.pdf
- http://strap.sk/uploads/file/91068717117.pdf
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/baljj83kpu2t0u0cm3hs04mjb0/41001810793.pdf
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/872e7a145360f59e32ad2425c7c30398/widivesanusebira.pdf
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/4ac7d54ec92c304891e3854554f16a59/56431218396.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_off0000f744.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF744 | 16792 bytes |
font_01_sfnt_off00010f5b.bin5cbe49581d7ea12428a2f8fa5f0f34b60b9af9643141198d48c51dab1d112fda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F5B | 10600 bytes |
font_02_sfnt_off00012752.bin303f7046cee4d37934fc267708cae02b90cad88b7fcc93abc9a75c98934744f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12752 | 16996 bytes |
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