MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as a malicious PDF by multiple heuristics and a machine learning classifier. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm or phishing lure. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature. The primary attack pattern involves directing users to potentially harmful external websites.
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://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/6b5aeb65c32fc21f7713d833b7365c14/10380557617.pdf In PDF document text
- http://sinice-rasy.cz/files/file/15478364175.pdfIn PDF document text
- https://subarini.ro/mm/file/perufokalab.pdfIn PDF document text
- http://marymo.ru/uploads/files/16519914043.pdfIn PDF document text
- http://berkeleyhigh64.com/clients/9/99/99a482d4bd0dc5522cc24ea7f8204a07/File/32596017679.pdfIn PDF document text
- http://simsvizag.com/contentimages/file/93525114730.pdfIn PDF document text
- https://stratasphere.online/userfiles/file/50456983127.pdfIn PDF document text
- http://eurekaelearning.com/upload/news/file/kazazezuradaxovem.pdfIn PDF document text
- https://thucphamtruongxanh.com/Upload/files/vuvakogilusenozawigo.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/54034163495.pdfIn PDF document text
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/e4213eba67980ffc1d490e9bbf5239db/goluxawaresafuwibago.pdfIn PDF document text
- http://nt-module.ru/ckfinder/userfiles/files/dosuvutipegoloxofi.pdfIn PDF document text
- http://diamant-x.sk/UserFiles/file/woxasozudesabavorazewu.pdfIn PDF document text
- http://aggengr.com/uploads/CMS/file/57553918444.pdfIn PDF document text
- https://bursac.net/userfiles/file/2670146890.pdfIn PDF document text
- http://studiotecnicodavico.eu/userfiles/files/fokaxasozupitulokofenow.pdfIn PDF document text
- https://webornate.com/viking1/uploads/files/20119948593.pdfIn PDF document text
- https://magiccat.pro/ckfinder/userfiles/files/bovagogavol.pdfIn PDF document text
- http://kraemer-duennebacke.de/files/file/48627837566.pdfIn PDF document text
- http://thangmayedex.com/webroot/img/files/97155455938.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073fdca772e9---82983797030.pdfIn PDF document text
- http://burelomdo.com/ckfinder/userfiles/files/toremelizofatagudilow.pdfIn PDF document text
- https://vetregistr.com/ckfinder/userfiles/files/falovijiwovepeku.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/a475a4dfc082ffd35959918535dc21cb/taranawutotatiroga.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=schuberth+c3+communication+system+manualPDF 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_off0000dc16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC16 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f428.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF428 | 18260 bytes |
SHA-256: a3246a4d03cf98d825b1a21f9b5174f35b996b3feb64dcbfcf7c1ecf832ed3b7 |
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font_02_sfnt_off00012437.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12437 | 11096 bytes |
SHA-256: a29d4709a091272133dab673c374103b3921fa8d99e3f8f6d9aefd66f437999d |
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