PDF malware analysis — malicious · d27059f2c516bc62

MALICIOUS

PDF

47.3 KB Created: 2021-09-10 22:15:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12

MD5: 4a4ba3de3ee604f0955713e7141fe300 SHA-1: 789ab3e86207c4f6d9708cb9a659c77ac8642ac5 SHA-256: d27059f2c516bc620c0463056d882ced0c46ac3a9f93a47639c7ccf454f2247e

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, many of which point to PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The ClamAV detection and ML classifier indicate malicious intent, likely related to phishing or distributing further malware. While no scripts were explicitly extracted, the PDF structure and embedded links are typical of spearphishing attachments designed to redirect users to malicious sites.

Machine Learning

Nyx PDF Classifier malicious score 0.6912

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small 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.
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One 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://ecoevopublisher.com/files/upfiles/file/dejupamis.pdf In PDF document text
- https://securitydm.net/slicice/file/mepifojerotasugizodade.pdfIn PDF document text
- http://phongkhamthienhoa.vn/images/files/minulapinokogoguwuvoti.pdfIn PDF document text
- https://losaltos.com/wysiwygfiles/file/43586593894.pdfIn PDF document text
- http://getsolarny.com/userfiles/file/lupowojabifejesen.pdfIn PDF document text
- https://renewone.de/files/kekovolejesukonuvat.pdfIn PDF document text
- https://simbhaolipower.com/images/file/31671290226.pdfIn PDF document text
- https://ozanetiket.com/TasarimAcarnet/serhali/upload/files/52511831137.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137e49c07d27---22480481977.pdfIn PDF document text
- http://www.julietlandau.com/fckeditor/userfiles/file/22163335710.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16138a89336e66---64712161839.pdfIn PDF document text
- https://varbackaforskola.se/ckfinder/userfiles/files/60974225049.pdfIn PDF document text
- http://h-p-n.fr/catalogue_dynamique/file/61596158756.pdfIn PDF document text
- http://wahluenfty.com/userfiles/38339355850.pdfIn PDF document text
- http://watdoenwevandaag.nl/upload/65808050449.pdfIn PDF document text
- http://mfcpavpos.ru/file/11264581186.pdfIn PDF document text
- http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/85687308378.pdfIn PDF document text
- http://globalbizkorea.com/userData/board/file/domoresufuzarosi.pdfIn PDF document text
- https://it-remarketing.pl/app/webroot/media/files/denevamab.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=android+permission+read_phone_state+marshmallowPDF link annotation

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