Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc67957185cce66a…

MALICIOUS

PDF

58.0 KB Created: 2021-09-20 01:51:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-24
MD5: 878adf189ecdde484583421763408fb9 SHA-1: 51385523b906dda8310a8fec02dddc3a771fa019 SHA-256: fc67957185cce66a766cf9ff93daf6afbfa3f6ca07b67184e42ebdd1f8606aad
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous embedded URLs, with a critical heuristic identifying it as a link farm on disposable hosting. One URL, 'http://orsini-blasioli.it/userfiles/files/79675534984.pdf', is directly associated with this link farm heuristic. Although no scripts were explicitly extracted, the PDF structure and the presence of external URIs suggest an attempt to redirect users to malicious content, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4489

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://orsini-blasioli.it/userfiles/files/79675534984.pdf In PDF document text
    • https://tpk-m.ru/files/file/ninosawenubinafajata.pdfIn PDF document text
    • https://mihalex.by/files/files/xiretetuset.pdfIn PDF document text
    • http://www.dreamstoreonline.es/ckfinder/userfiles/files/31404987148.pdfIn PDF document text
    • http://kbcsisa.com/upload/fckeditor/file/58100432336.pdfIn PDF document text
    • http://imreelectric.sk/uploads/file/32183792411.pdfIn PDF document text
    • https://anhhuynoithat.com/asset/files/49543663883.pdfIn PDF document text
    • https://doosradashak.in/ci/userfiles/files/31081148714.pdfIn PDF document text
    • http://osteriailgalloelinnamorata.com/userfiles/files/pitapegofabafazaxabudiwuw.pdfIn PDF document text
    • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/nq6o22h6jg0hjto831btsggup9/wovajenasodaxariradarop.pdfIn PDF document text
    • http://kzlo.pl/fotki/fotki/file/11805468317.pdfIn PDF document text
    • http://bentleyplemtech.ru/userfiles/file/19202145102.pdfIn PDF document text
    • http://smolninskayahotel.com/userfiles/file/vilavumewubofisuxudemiju.pdfIn PDF document text
    • http://longarmquiltingacadamy.com/fckeditor/userfiles/file/94074291624.pdfIn PDF document text
    • http://happy-land.hu/editor_up/wutuxisufidotiviw.pdfIn PDF document text
    • http://abcbyspu.com/ckfinder/images_store/files/10649215143.pdfIn PDF document text
    • http://descanso.verareyes.com/ckfinder/userfiles/files/rotijosemiwazumujanub.pdfIn PDF document text
    • https://netron.pt/app/webroot/media/files/87331897430.pdfIn PDF document text
    • http://volareinmongolfiera.it/userfiles/files/90535357875.pdfIn PDF document text
    • http://xtra360.net/campannas/file/15511563859.pdfIn PDF document text
    • http://hak-al.com/resimler/files/30252266257.pdfIn PDF document text
    • http://a-kamen.com/userfiles/file/39310960625.pdfIn PDF document text
    • http://htwy.com/upload/file/27363731636.pdfIn PDF document text
    • http://hwayinn.com/image/files/20210916_105834.pdfIn PDF document text
    • https://argentinaproduct.com/ckfinder/userfiles/files/waxojugoralud.pdfIn PDF document text
    • http://nikolalepojevic5.com/multimedia/file/29914796169.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=geometry+dash+hack+2.11+apkPDF link annotation