MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a tactic of luring users to potentially malicious content.
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://pistant.ru/uplcv?utm_term=middle+school+physics+pdf PDF link annotation
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2acd89557---77980832573.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/88c263cef7fdad6c5c983d91f8f58aa1/radeg.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f4942e2ce8---divexerefemenoloziwerutob.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/b67a1060acd48db226570674097652a4/rezebox.pdfIn PDF document text
- http://kovacsoltvaskerites.hu/images/file/40195356755.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/6vai3ejf1optage4b016sv8ra4/97153708263.pdfIn PDF document text
- http://kapelski.pl/userfiles/file/fuxusenopojudoja.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c563d450eaa---bomimazu.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607dac030d8c5---95937767502.pdfIn PDF document text
- http://cleangroupbd.com/ck/upload/files/25727956309.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/gisis.pdfIn PDF document text
- https://capecoralliving.com/media/file/wulodupidejowuf.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/9432d850a25a2053ce442deafa3ea0f9/60485904078.pdfIn PDF document text
- http://ilovegabal.net/fckeditor/_upload/file/55607067597.pdfIn PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160808199c7ca3---84889850014.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_off0000ed3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED3B | 5044 bytes |
SHA-256: 587582c3af45e131fc387678a811c8684214ac4149c28fb8fb5c5aecff4b15bf |
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font_01_sfnt_off0000fe84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE84 | 11160 bytes |
SHA-256: 7847169b208bb83c221a480805a614549a85c5cb37766eac92d725785f713ae8 |
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