Malicious PDF — malware analysis report

Static analysis result for SHA-256 6033c5ec2839d712…

MALICIOUS

PDF

85.9 KB Created: 2021-06-30 08:38:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 35dd3186163ef06d5f1b32294fab321d SHA-1: d83e7d2af8e0af65f0ffe6b7a93ae328afab1bb1 SHA-256: 6033c5ec2839d71235d085bdf79e7a7fd9f9061d03c1880258f6992be4bc95c3
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It functions as a link farm, directing users to various compromised websites and disposable hosting domains, likely to facilitate the download of further malicious content. The presence of multiple URLs, including those on compromised CMS uploads, strongly suggests an attempt to distribute malware or phish for credentials.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6930

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF 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.
  • 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 https://cuisinescartier.ca/upload/editor/file/ziwevikinuwilovol.pdf
    • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/v8vam7mv17pdg2hsfpmgalu803/34435909008.pdf
    • http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/diguguzusekogepugo.pdf
    • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c62a259bab---rirojakutemofoxo.pdf
    • https://dietmoitangoc68.com/upload/files/lekudiwisopumipepowivi.pdf
    • http://ibtaker.ps/userfiles/file/jatoxubopuredulaxijupewil.pdf
    • http://larrysiegellaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/65965380361.pdf
    • https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/q511nb35movg9jpkev0b53vn74/46880655862.pdf
    • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094ae7925312---junojitexedajibekum.pdf
    • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef5d3aa3b5---fanazudifobizagusup.pdf
    • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d6aaf089e4---zagozime.pdf
    • https://motacademy.it/file/72223372106.pdf
    • http://blatt-gruen.ch/files/vemufibipufalonagemo.pdf
    • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/93282a4969e21b3488c40b87b1a5208c/tamorekimulazanoloje.pdf
    • https://stratasphere.online/userfiles/file/86356696785.pdf
    • http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092030dc6e58---15801975383.pdf
    • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcc3c8ec14a---finezedodov.pdf
    • http://tydafa.com/dafa/uploadfiles/20210618021024.pdf
    • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/kn7t0e0mdb83a4pbaav3s76vln/mutiw.pdf
    • http://sicompk.com/survey/userfiles/files/99623558536.pdf
    • http://adance0112.com/upfile/editor/file/lomapu.pdf
    • http://mhinflatable.com/upload/file/fisupojobitunot.pdf
    • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=download+x+force+autocad+2014

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