Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9656d63f858b1f0…

MALICIOUS

PDF

54.6 KB Created: 2021-09-07 17:44:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: 7fc855969c9be72c05fda47e91f92ad9 SHA-1: daaf0d7492f59d1e4b6576f7df66f2b3e9035c23 SHA-256: e9656d63f858b1f0767e3326f91d638adf47a7a6e3fb6f39c878bfc2f5dd8181
154 Risk Score

Malware Insights

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

The PDF file contains a large number of links, many of which point to compromised WordPress sites. This behavior is indicative of a link farm designed to redirect users to malicious destinations, likely for phishing or malware distribution. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5222

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://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cb1c8f4f9e3---24739827573.pdf In PDF document text
    • http://besteva.com/upload/files/xoxewebajikufozeru.pdfIn PDF document text
    • http://casinodanmarkjackpot.dk/userfiles/file/powabunezeke.pdfIn PDF document text
    • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/c71br5hg9h0ko7749740solu36/28368521118.pdfIn PDF document text
    • http://appletechsolutions.com/userfiles/file/tetojexavokefa.pdfIn PDF document text
    • http://autoachtercamper.nl/userfiles/file/jepokifizikuxixabewimavo.pdfIn PDF document text
    • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/4ec745405273433788df60962eb2576f/49624776707.pdfIn PDF document text
    • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/mvtj4n3tkjjgqm8d1s9oh5lv6p/56025524929.pdfIn PDF document text
    • http://amuseonline.com/absite/userfiles/file/23680352171.pdfIn PDF document text
    • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/940dc961dc598a31a98f9f71800e1d07/donomutarilidesonijo.pdfIn PDF document text
    • http://podushka.by/files/files/gafukodubetozaludoxis.pdfIn PDF document text
    • http://visit-pune.com/userfiles/file/17996311500.pdfIn PDF document text
    • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16097d0e987721---98449293917.pdfIn PDF document text
    • https://cornwallstaffagency.com/userfiles/file/23286888734.pdfIn PDF document text
    • http://jan-fotografie.nl/upload/files/pamedazegisarosabasab.pdfIn PDF document text
    • http://www.supair-lux.hu/ckfinder/userfiles/files/befugusevuba.pdfIn PDF document text
    • http://shinhwajudan.com/userData/board/file/gopofuku.pdfIn PDF document text
    • https://rrr71.ru/upload_picture/78749446930.pdfIn PDF document text
    • http://vxclouds.com/userfiles/file/daperelanelopowobevu.pdfIn PDF document text
    • https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/deeab97a99c460967dba49e2539293f1/82380966293.pdfIn PDF document text
    • https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2cd7374a5b4fbdd8ee5fbbf6e6e44700/31814847221.pdfIn PDF document text
    • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607f4b9dd5e84---fosokureseborikofe.pdfIn PDF document text
    • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c95f85b43---xotimigosoxijelewefikavo.pdfIn PDF document text
    • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16110510d86e33---40831111038.pdfIn PDF document text
    • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609633c176650---4585712956.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=forms+of+visual+communication+pdfPDF link annotation

Open this report in the interactive analyzer, or submit your own file for analysis.