Malicious PDF — malware analysis report

Static analysis result for SHA-256 00870f95daa94982…

MALICIOUS

PDF

53.9 KB Created: 2021-09-01 13:09:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: 865daf3b7cc497a362ce0290641b8abd SHA-1: 5788c1992c4a5be0c937bcc48e0d76b27d1d5faf SHA-256: 00870f95daa94982a0d420edb68139e531ee330972b62dc860dff8f322693469
154 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains a link farm with numerous URLs hosted on compromised WordPress sites, indicating an attempt to direct users to potentially malicious content. The presence of multiple distinct hosts and links suggests a coordinated effort to distribute or host malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7478

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://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/3b912e7bae160a470cc49cdbdc9141fe/bawogiluz.pdf In PDF document text
    • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160edfb33ada7d---mebetowaline.pdfIn PDF document text
    • http://neodentpetrosino.it/userfiles/files/tiwenejuposanupovu.pdfIn PDF document text
    • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bbae01b7c5---bibev.pdfIn PDF document text
    • https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/160735c275d858---68412383602.pdfIn PDF document text
    • https://network-italia.it/file/gogov.pdfIn PDF document text
    • http://buergerforum-tirol.at/file/fozokawalukanekozaduv.pdfIn PDF document text
    • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/or7jom26dar7iuf6vf0rsr1r73/wuvawelisaweragazirur.pdfIn PDF document text
    • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/5649118e6cb7560264efc60601e563b0/36642097762.pdfIn PDF document text
    • https://underworldgear.com/upload/users/files/fidotuwimizosel.pdfIn PDF document text
    • http://dancedynamicsla.com/clients/38740/File/59819835069.pdfIn PDF document text
    • https://abe-rdc.com/userfiles/file/50110389656.pdfIn PDF document text
    • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16088c115f040c---45987775522.pdfIn PDF document text
    • http://hk-sai.com/ckfinder/userfiles/files/tafaruvozovisadibozor.pdfIn PDF document text
    • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098304062eab---tovawotasewapijuruga.pdfIn PDF document text
    • https://mvmdigital.gr/files/files/jakasaxovase.pdfIn PDF document text
    • http://dolphinkorea.com/files/files/62096539715.pdfIn PDF document text
    • http://anthonyvienna.com/sites/default/files/file/geripowubiz.pdfIn PDF document text
    • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/3f6c6d65fa1bd52d27a9dae8dd71513a/levuru.pdfIn PDF document text
    • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160832f346daa4---zufajo.pdfIn PDF document text
    • https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/3485944e3d9e8b749c43e4b4dbdf78e0/sonujubuk.pdfIn PDF document text
    • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/tp3517f129etjq83359aqkb442/sizen.pdfIn PDF document text
    • https://northcoteplaza.com/userfiles/file/mezojodavopufajixulamu.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+download+an+online+article+as+a+pdfPDF link annotation

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