MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicate the document's primary purpose is to act as a link farm, directing users to potentially malicious external sites. The presence of 'wkhtmltopdf' in the metadata suggests it may have been generated by a tool used for creating such lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://chcial.ru/uplcv?utm_term=geometry+dash+vault+of+secrets+door PDF link annotation
- http://thedreams.cz/files/38913810698.pdfIn PDF document text
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/lfdpaaagfve5gb1ud57dv0fehv/potadot.pdfIn PDF document text
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/d53222419b8544db7b2c4af2354a8370/48768006153.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/trtbu4j9dnufds8qb3022hno0r/ponokodudejarepasubaliso.pdfIn PDF document text
- http://mdbim.pl/ubezpiecz/obrazy/file/39981615492.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/43e966c2c2698a7742ee6cea2bc2d12a/59845400723.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a24faa061b2---newatakigavivufiropitu.pdfIn PDF document text
- http://kursadowicz.pl/Upload/file/nidazezutonitojififafo.pdfIn PDF document text
- http://ashioke.com/images/library/File/97960652159.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7a01da97bf---73869408957.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/2846886085f85cdffd9685a6be5d297f/dajowetepawesesol.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c43cf66e535---71659459484.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/12100645959.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a888252f17d---38166203867.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/a792365a3a36f41f4b6e9c3c78a19395/jowanivalam.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000de73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE73 | 5184 bytes |
SHA-256: 668f9ec58ae8d64cecfd7fce72ac60d560890d9baf237152e4252169dd0e36fc |
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font_01_sfnt_off0000f02a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02A | 10748 bytes |
SHA-256: 0daa8302d3570914a6bf3191f6d5f03d80bd66ca7f8be68ae82fb5525725351c |
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font_02_sfnt_off000114a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114A2 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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