MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs and is structured as a link farm, with many links pointing to compromised WordPress upload storage and disposable hosting. The document body is heavily obfuscated and appears to be non-readable content, suggesting its primary purpose is to host these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://pixomot.ru/uplcv?utm_term=atmel+studio+6+programming+tutorial+pdf PDF link annotation
- http://msslink.ru/userfiles/files/zufasigibagolin.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cda4479321---88295245989.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/2103f6acb342b49f2d0a4c9694a37aa1/33248266924.pdfIn PDF document text
- http://weymouthhighschoolclassof62.com/clients/5/50/50fe23896e84432c97ff20d680692bb9/File/31092681377.pdfIn PDF document text
- http://kientrucsangtrong.com/plus/files/48464486915.pdfIn PDF document text
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/da9d7afc0c3ced15c27297981d053144/jemebimojub.pdfIn PDF document text
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9371bbb0a---sapipev.pdfIn PDF document text
- http://minhanh.com/files/dovinireduwotifujuxigumu.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/ed8598f0bf7de21cf53784e51430c0c3/mizogajafefex.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b462ec03f5---95524582688.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/bovisewajipurinurudit.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/ln6lqrree845mcoejl3ds4gcs6/95016439848.pdfIn PDF document text
- http://residencelesaline.it/userfiles/files/nafojevijobisoxuwetiwewu.pdfIn PDF document text
- http://tpokebar.com/uploads/files/kulonabanovutufuliwa.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d679e55c7---fenufenevisasosupa.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612e603e2967d---pavebiwufilupujilimu.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9842c18693---84156892911.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16076c4ed467fc---juzuboxijuxaje.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1607a386c90fc2---natufegarowi.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612bcb725502d---96984505534.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c14c064fddf---jenufuviwavalu.pdfIn PDF document text
- http://dbcasagayathottam.org/assets/uploads/cms_images/files/23076662673.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/1qb47hsqa3s9nbmh9mlcii7r30/60436293183.pdfIn PDF document text
- https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/8a19dc27662bab03f1cdf5da45fceca2/vodajoralikomek.pdfIn PDF document text
- 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_off0000df30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF30 | 11088 bytes |
SHA-256: 209c8e9f66ff4df0f45d3417a20713630de2ff6c40f4436e6235c40f67f9a3b8 |
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font_01_sfnt_off0000f8d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000110e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110E5 | 17652 bytes |
SHA-256: 67e6d8308b186a4a3a1b79bfa880762e1458759535ba89cd3686566e2ab34cc3 |
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