Malicious PDF — malware analysis report

Static analysis result for SHA-256 069af2df2b637d4a…

MALICIOUS

PDF

132.8 KB Created: 2021-10-13 02:06:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-24
MD5: 3efefdc9a85b0b2fc4190bcaca09261a SHA-1: 6e370316d6121ceaa946b6c33f6fa466425da49d SHA-256: 069af2df2b637d4afb7fbfdd5389b45daba4256be1cd99b1cc4ed74c60da8103
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to a link farm, suggesting an attempt to manipulate search engine results or distribute further malicious content. The presence of many distinct hosts and links per host indicates a coordinated effort to host a large number of PDF files.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8837

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://masterkontroll.hu/ckfinder/userfiles/files/9565421982.pdf In PDF document text
    • http://jiab.net/userData/board/file/8231235440.pdfIn PDF document text
    • https://danfort.lv/userfiles/file/fimixubara.pdfIn PDF document text
    • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d930cef195---gulenexumefosemazazib.pdfIn PDF document text
    • https://soenen-pneus.com/upload/file/19819472540.pdfIn PDF document text
    • https://hotelangela.hu/userfiles/file/20871988593.pdfIn PDF document text
    • https://doanhnghiepvietnam.org/img_duhoc/files/tekitilama.pdfIn PDF document text
    • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613243c9086c0---96770210582.pdfIn PDF document text
    • http://lube-stc.com/ckfinder/userfiles/files/83965329620.pdfIn PDF document text
    • https://windscrm.net/files/file/zubejofisibix.pdfIn PDF document text
    • http://londonjip.com/userData/board/file/zeniburexutoluforajor.pdfIn PDF document text
    • http://kammed.com/userfiles/file/detejojonuxa.pdfIn PDF document text
    • http://manpukuorder.com/uploads/files/39955130289.pdfIn PDF document text
    • https://9ja-bet.com/userfiles/file/33465085339.pdfIn PDF document text
    • http://dwallacelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gepagafe.pdfIn PDF document text
    • https://vargyasnekonyveles.hu/kepek/other/file/23440827776.pdfIn PDF document text
    • http://bikaji.zohukum.com/ckfinder/userfiles/files/46595523962.pdfIn PDF document text
    • https://telechips.com/ckfinder/userfiles/files/tumuzanonifolujukotuvu.pdfIn PDF document text
    • http://nail-free.com/ckfinder/userfiles/files/2847526338.pdfIn PDF document text
    • https://tselectromechanical.com/uploads/CKfiles/files/wasizerusovuwasale.pdfIn PDF document text
    • http://kargiskola.ge/myadmin/ckeditor/ckfinder/userfiles/files/siwape.pdfIn PDF document text
    • https://aznamaste.com/ckfinder/userfiles/files/tozapexeremalirawileleki.pdfIn PDF document text
    • http://artemon.nl/userfiles/file/16846362854.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/1hHberoKktI/uplcv?utm_term=angel+and+devil+college+costumePDF link annotation