MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, directing users to numerous external websites, many of which are hosted on compromised WordPress installations. The document body, though heavily obfuscated, suggests a lure related to a 'Csgo sens calculator', likely to entice users to click on the embedded malicious links.
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://nomylo.ru/uplcv?utm_term=csgo+sens+calculator PDF link annotation
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16070f024348ef---noxibomib.pdfIn PDF document text
- http://hy-concrete.ru/d/files/93576068683.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/121tr0l8ues9njeccni4lrjmo1/rexibuwakomepupoxusewu.pdfIn PDF document text
- http://2ds-creations.fr/userfiles/file/87914382643.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/ih78khtf686r0k6bmqrqjalu04/40203065888.pdfIn PDF document text
- https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/9scu0e1btph46vdsujacch0lu7/jugijiwiferedi.pdfIn PDF document text
- http://laduses.nl/image/file/73554341660.pdfIn PDF document text
- https://mobilieroccasion.fr/uploads/file/27611150346.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/758b9bb24a432877cc0f820b2623e681/41586842960.pdfIn PDF document text
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160906b464fc3b---runonepinez.pdfIn PDF document text
- http://all-pass.com/folder/editor/file/pikiladivufixaxula.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160854f908f3ab---nafenerevukujuket.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/3vsl18c8tt929dvokb2ia17q57/16249975384.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609c58da326f9---nenadekibu.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608db0892ace1---26874835083.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f983.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF983 | 4872 bytes |
SHA-256: d1232f2442c00c331317b663cfe665b10487aa1a55300607d4a4f169d2a144b9 |
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font_01_sfnt_off00010a19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A19 | 1800 bytes |
SHA-256: 51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0 |
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font_02_sfnt_off000112a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112A7 | 11048 bytes |
SHA-256: 85a412e559af07cf342ff1f2e4929123e9ee1e92dc37a240311a0ce897d5e80b |
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