MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm or phishing campaign. The presence of a URL with a 'utm_term' parameter related to software downloads further supports the lure-based attack pattern.
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://infrive.ru/uplcv?utm_term=xhamstervideodownloader+apk+for+android+download PDF link annotation
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/lpvvuo7ftm4itqpmsq0l96e9j0/99727976606.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a285bf52b8b---pusof.pdfIn PDF document text
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081dbfa6ffce---41129042466.pdfIn PDF document text
- https://masihpt1.com/contents//files/sejosugon.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1609aa3711b10d---fuvituxugepigasapajir.pdfIn PDF document text
- http://acmemask.com/upfiles/editor/files/xafileri.pdfIn PDF document text
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/5e34b101f8f1e5c17886e7d3424fef6e/98186414578.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b30da537f95---vemenekezawufet.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/u7pg6bp2bkl55778kq3n74c5u2/24734853240.pdfIn PDF document text
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/dn6iar6epkg58iti1kgc8trqub/69731086510.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6922d7d2d---guzafevegasebubirivo.pdfIn PDF document text
- https://hiddencliff.kr/FileData/ckfinder/files/20210616_EF35CE9BBE236D09.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084849188cb7---pexejojes.pdfIn PDF document text
- https://almuhja.net/ckfinder/userfiles/files/vikexukipifafodo.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/3e364bd911b8778b7dcba58501918f20/wufivemavawavisi.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_off0000db3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB3D | 5476 bytes |
SHA-256: 0b8cdfc6b806dde1a96b8a9a265bac6a825c646334e1ccb4f08dbb9130d413ff |
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font_01_sfnt_off0000edc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDC2 | 10392 bytes |
SHA-256: e60fe18b5a181de1188e7a64e637fe535ae623a2639049f6790db5d7209b5590 |
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