MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a mass of external links, many hosted on disposable domains, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. The embedded URLs and the heuristic firings for PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM point to a campaign that leverages these links to achieve its objectives.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://dugedepap.ru/strik?utm_term=convert+lbf%252Fft3+to+kn%252Fm3 PDF link annotation
- http://akmurzina.com/dafipixogebusomebanexigov9dj6t.pdfIn PDF document text
- https://cdn.sqhk.co/revukone/fhejcPD/nomenclatura_dos_alcanos.pdfIn PDF document text
- https://tipowunukal.weebly.com/uploads/1/3/4/3/134355136/dowaxit_vetodebafevala.pdfIn PDF document text
- https://taxefijiduru.weebly.com/uploads/1/3/5/3/135311915/536b0d.pdfIn PDF document text
- https://cdn.sqhk.co/kidurukazag/aundkMf/sozutogiliwefe.pdfIn PDF document text
- https://cdn.sqhk.co/zapiseniw/uCkieig/82077883203.pdfIn PDF document text
- https://guxitokos.weebly.com/uploads/1/3/2/6/132681611/pewovejupabe.pdfIn PDF document text
- https://gafewifem.weebly.com/uploads/1/3/1/3/131379815/8901337.pdfIn PDF document text
- http://shoop-fo.ru/rhododendron_arboreumo98y9.pdfIn PDF document text
- https://cdn.sqhk.co/supesuvepo/giSeI2Y/losinejinulumedunibew.pdfIn PDF document text
- http://geosen.net/wazutakozeduvepiminukityyv1d.pdfIn PDF document text
- http://changepass.online/ukulele_strumming_patterns_4_4d4fg6.pdfIn PDF document text
- https://cdn.sqhk.co/tatidukigag/MgiZR9N/dipson_movie_theater_warren_pa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a5fc3680-5c08-4cda-bd6c-abaa3bdf25bc.filesusr.com/ugd/ea5d7b_244eaeb2cb1349f9a47fdf9307b0867d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dakebesuvum/tweakbox_app_can_t.pdfIn PDF document text
- https://s3.amazonaws.com/zetituri/juborinitim.pdfIn PDF document text
- https://s3.amazonaws.com/rumezo/gesowogipudulukid.pdfIn PDF document text
- https://944bcc21-9f45-42c2-9889-8cf837fa5d1c.filesusr.com/ugd/50f869_eb920b1a3037408ba811a32a09c7a505.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dojivewobasuval/que_significa_liderar_en_administracion.pdfIn PDF document text
- https://299bc67c-4c9a-44ea-852c-18f2d39dca40.filesusr.com/ugd/954c8b_d1ea0450e8074c6cbffaae4e3d1d77c7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mevuzokekenojab/nasov.pdfIn PDF document text
- https://57ead060-d7b3-4f59-a803-6c9b47c0028a.filesusr.com/ugd/f30481_98be011579d54a54a3e3608e6c38b8f4.pdf?index=trueIn 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_off0000cfc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFC0 | 4896 bytes |
SHA-256: 28198b59d80a496dd2d2decd8fc48bae46c05136c74ab644accdbce23306ef9d |
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font_01_sfnt_off0000e06a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE06A | 9756 bytes |
SHA-256: 7d61e28ba882dd6ff01ccefe1854bca3679c753f44886ed3f9a25e3129b36244 |
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