MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or trojan payload. It contains numerous links to compromised WordPress sites, likely serving as a link farm to distribute further malicious content. The presence of a 'download button' heuristic suggests a lure to trick users into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ketchas.ru/uplcv?utm_term=funny+clips+download+mp4 PDF link annotation
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/3b59ef8b57250072d146deeda14c24b8/kogunawenogudiwevufagofo.pdfIn PDF document text
- http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/c884c1a843cf9ba84cd46784cafa18e0/87420716899.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/gb98rt7pvl3c19udadkljvlnch/53687056686.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/jktutusqn0p1kn9b7vto565st2/14273940673.pdfIn PDF document text
- http://savitapiti.org/ckfinder/userfiles/files/sosenirok.pdfIn PDF document text
- https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/619v27c0lfd6p2tlggv89jshvk/rerikavulazevenu.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/i1lfin7q3pips62t44rj0cvpua/41943059418.pdfIn PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081bbc8c5d0b---76539566578.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a225179d9b5---17047866451.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4a871f188bbb8507d5eb2dbdbc74b960/zikevexijomaluveboku.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160c44f62a072e---poxiwi.pdfIn PDF document text
- http://davisfolk.net/clients/1/1f/1f1070e31f35868a9a13f38ee7dc887f/File/dufaxobosowebixovo.pdfIn PDF document text
- http://aldara-latinoamerica.com/userfiles/file/xosodajuvatatorad.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607cdc826ae04---23428100795.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1ab4e5029---nasil.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f0c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0C4 | 5360 bytes |
SHA-256: c62361d49cec0417cee90f01bd0ade4e5807e0c651c922db2786efca119a5a19 |
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font_01_sfnt_off00010314.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10314 | 10996 bytes |
SHA-256: 77fc23af93cb0f5cdd5a1b5f2b0c579bf91a8de8aafdd3954caafd8c13b96e9d |
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