Malicious PDF — malware analysis report

Static analysis result for SHA-256 064a6a3b4d40ab2f…

MALICIOUS

PDF

64.0 KB Created: 2021-07-03 03:41:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: 3bdbd907aed04791db1b12a180f1e255 SHA-1: ff70e88429a709de25b0e83fd9c16be279ad2725 SHA-256: 064a6a3b4d40ab2fe1f544b4b5ba8ff3235d345c6fe208a4cd49e4a2d7f471cb
124 Risk Score

Malware Insights

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

The file is identified as malicious by ClamAV and exhibits characteristics of a link farm, with numerous URLs pointing to potentially compromised websites. The PDF structure and the presence of multiple external URIs suggest an attempt to lure users to malicious or compromised content, likely as part of a phishing or redirection scheme.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4986

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 http://dollreunion2020.com/clients/4/43/4392dc7a9e9236654a628da0af121bbb/File/fenewemamegotosiremox.pdf In PDF document text
    • http://aarogyamedico.com/userfiles/file/30282404684.pdfIn PDF document text
    • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16075bff7badc7---96973149517.pdfIn PDF document text
    • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160751fdeb0099---41992530837.pdfIn PDF document text
    • https://dollarplus98.com/images/upload/files/15287561062.pdfIn PDF document text
    • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/39ba169c2eb206c503bde1c15c55f35d/33429192664.pdfIn PDF document text
    • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16084c73794b85---nemivafivo.pdfIn PDF document text
    • https://rugsinc.in/UserFiles/files/58032478152.pdfIn PDF document text
    • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/f298b6dd0827671e816be65efa80b111/wanalip.pdfIn PDF document text
    • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/evs09eaq26e95mp2257g26sr34/daxixukulupesizodo.pdfIn PDF document text
    • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/3ueocmc59oasfh4rp8518i537t/56864556240.pdfIn PDF document text
    • http://workcoop.org/fckeditor/userimages/file/20210619010338.pdfIn PDF document text
    • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/bcb1df7f0ffd8f13e019c97513a70464/19774890291.pdfIn PDF document text
    • http://vorne-sitzen.eu/pcms/content/file/63772801392.pdfIn PDF document text
    • http://nedirajtebosnu.net/userfiles/file/kipunajemajovuli.pdfIn PDF document text
    • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160962bd846c14---vorekikatipi.pdfIn PDF document text
    • http://pronobile.de/catalog/file/1842327233.pdfIn PDF document text
    • http://ciccioinpentola.com/userfiles/files/7381853939.pdfIn PDF document text
    • https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/16075e0ea580fb---29505117892.pdfIn PDF document text
    • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a569f3b46a7---98608526212.pdfIn PDF document text
    • http://spearsyounglegacy.com/clients/b/b2/b2c23f164518415ec8f3c1c8d0af542d/File/68330962462.pdfIn PDF document text
    • http://bsp-oblspl.org/ckfinder/userfiles/files/jugewe.pdfIn PDF document text
    • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16083ee5593bf5---96957699568.pdfIn PDF document text
    • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/e4dd7dc8444618daea61bfa760bd4cde/fudorexupevibojo.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=types+of+office+manualsPDF link annotation

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