MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, pointing to numerous URLs hosted on compromised CMS uploads, suggesting it's used to redirect users to malicious sites. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure points to a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/0e01f51e76a81f5c1c8f36e244f61222/bisusipapakelixek.pdf In PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160afb67ed72da---97107786914.pdfIn PDF document text
- http://imailbox.nl/images/uploadedimages/file/nafulevivudewavatizoru.pdfIn PDF document text
- http://scottleddy.net/clients/862555/File/nefosazazuj.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/a0c592c515e8f93c442302d7a3062be9/gaduriweminilomogafod.pdfIn PDF document text
- http://thebrownsfamilyreunion2008.com/clients/81208/File/37907577252.pdfIn PDF document text
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/ldosn1la8ll28u1h207o72r950/6175506628.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/6c8ee94f9aa5d7e85b929ccfb4853187/18939225085.pdfIn PDF document text
- http://panziofabian.hu/fck_kepek/poposilunelasani.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/6f45d9adae4df4a7688e23c9600ce0bf/kobexuxokirupikapezifosa.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16078bcf02b941---92931014081.pdfIn PDF document text
- http://minhanh.com/files/2276885407.pdfIn PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609c81a1edf1d---53547172718.pdfIn PDF document text
- http://sitoad.com/bbqjoekey/files/202107012335191428.pdfIn PDF document text
- http://escuelasfutbol8.com/docs/files/gikoresebad.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c04f845ac---74738323779.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b89cb1b799---fimuvilaturezit.pdfIn PDF document text
- http://brightwayconsultancyservices.com/userfiles/file/zedatosib.pdfIn PDF document text
- http://gwhs79.com/clients/867100/File/muwevugupabaxofenefe.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079b38b19bec---fanukixivusijexo.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b9319715f---58259860526.pdfIn PDF document text
- http://akademibt.com/resimler/files/3656328807.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/4d2d172978ad5b707c03bc632f4ec121/12059258409.pdfIn PDF document text
- https://securitydm.com/slicice/file/berox.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=blue+card+answersPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d69b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD69B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eead.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEAD | 16512 bytes |
SHA-256: 642ba8d731ffc1f012e2ba80b116160a5ca642b6695497a48ccec8c8c0cea0cb |
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font_02_sfnt_off0001198d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1198D | 10292 bytes |
SHA-256: c04494d5ba24e39a9035a3163f3aeb28966c11c0da9caa7d26d8bdb3994e71eb |
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