MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs that point to compromised WordPress upload storage. These links likely serve to redirect users to malicious content or phishing pages, a common tactic for initial compromise.
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 http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607915bcd2837---37028532478.pdf In PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c630918cd6---71212448081.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160895b2167f3e---pevoxerogakali.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/284fe9fcf43b8ef39eb5d672810cf4d2/walilolededikurazavoroxid.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/a0d46ad6abf0b07c6f61bdaaea800d44/fozixeso.pdfIn PDF document text
- https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609765a7a4695---9110690982.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/94936693889.pdfIn PDF document text
- http://jnnycc.org/userfiles/file/kovetipagez.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2edc30726---luxosuzuxakegamu.pdfIn PDF document text
- http://capital96.com/userfiles/file/35845157344.pdfIn PDF document text
- http://www.chatanakonci.cz/userfiles/file/12498638028.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082392b60663---jumenopimekutudedukug.pdfIn PDF document text
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/tk9kfojj1rv54n5njs2re8gsje/roxiwadodokazaviv.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609c683a50190---88868689306.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/94603884843.pdfIn PDF document text
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/dc56c1bbddf474da43ab29824c9cd478/13928370293.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=what+is+a+winkel+tripel+projectionPDF link annotation
- 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_off0000d570.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD570 | 5268 bytes |
SHA-256: 20cc8de9ad700bf95905c981c765070208bc213e6ff17890a639848aaf181978 |
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font_01_sfnt_off0000e76e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE76E | 10724 bytes |
SHA-256: 9e32c0fed2409bb966011739775ef50108410ffacfc628f582b19e904e7de1e0 |
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