MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm designed to redirect users to malicious content. The document body, though partially obfuscated, indicates a lure related to transferring files, which is a common tactic for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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=how+to+transfer+large+files+from+phone+to+pc PDF link annotation
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16072fbcd1d73e---51455931360.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607614a23238c---60473105695.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/64957994827.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160913056ed8a2---70939072049.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/opiaqc25ptfc22m3dgi2lqsbs2/lumizefegolafolowojaliz.pdfIn PDF document text
- http://mea-travel.pl/userfiles/file/rugotefi.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/1ern7ic12hvsk3198bt78jde70/gurenepumatovax.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3509de3f0---77933568454.pdfIn PDF document text
- http://bpabv.nl/uploadfiles/file/viguton.pdfIn PDF document text
- https://bursakaynak.com/userfiles/file/bipirunumaxutego.pdfIn PDF document text
- http://bestbelly.org/content/files/files/kiriponifegejamupumot.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160704c9031e2c---guguponavivu.pdfIn PDF document text
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160835dc96add5---pinejatafejamadever.pdfIn PDF document text
- https://keralahappyjourney.com/ckfinder/userfiles/files/79609749727.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/86105860789.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160949c7b49e98---95052315296.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_off0000f886.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF886 | 5480 bytes |
SHA-256: 325ae826139c662d3eff55d2f88a30fb35d0089c5329bb1e6a67f03a33575c3b |
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font_01_sfnt_off00010b15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B15 | 10812 bytes |
SHA-256: 1790fcd4686b274968ab313d46a5170fe75aa120fbd6f9a1efec93233f0c62b7 |
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