Malicious PDF — malware analysis report

Static analysis result for SHA-256 119235100c1ff6dd…

MALICIOUS

PDF

47.7 KB Created: 2021-04-27 19:19:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: e0f2d1bf477b9b19045e063b83a72719 SHA-1: 68f4b9ef7af75ecb86e9cb1f9203ce2f79d58526 SHA-256: 119235100c1ff6dd2e8a62fe1508e11b3c65ad132a84835ff694c71577bbb3b8
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file was detected as malicious by ClamAV and ML classifiers. It functions as a link farm, with multiple embedded URLs pointing to compromised websites hosting other PDF files. The presence of these links suggests an attempt to redirect users to malicious content, likely for further exploitation or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7170

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://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/bnql78srcmt5p1vq8eormljrd0/nedatesafosoxevi.pdf In PDF document text
    • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160730f477511e---zupap.pdfIn PDF document text
    • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/014e2b7d87396dcd217da4552164628a/rufodokitolezazoxipife.pdfIn PDF document text
    • http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/d56e0f9d9a7a58a22fa3b1c63bcd554e/kasarivoxutunugonar.pdfIn PDF document text
    • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608190db1e332---kopemunejivutopiwurepixex.pdfIn PDF document text
    • https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/f7nd1ef8cusnibj7vtqbc070c5/24128182711.pdfIn PDF document text
    • https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/rhbn6t3nj6nbmb1pqi9u2ot3en/pitiluwuzajineriwosod.pdfIn PDF document text
    • http://hk-dcc.com/wp-content/plugins/super-forms/uploads/php/files/h2g53hi0st8k3mq4vbu3vishpv/paravodojunibuxij.pdfIn PDF document text
    • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/63a0e0ea97838410a9dbf2d157f97315/lofige.pdfIn PDF document text
    • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf425cc98d---34830794010.pdfIn PDF document text
    • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/addbbc0f281418dcd9dc3bac6268ce1b/35206820152.pdfIn PDF document text
    • https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b856fb6a819063f77865f55becb20b75/wowomafuzuma.pdfIn PDF document text
    • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ea19f9be71---14970797589.pdfIn PDF document text
    • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/4v7hnorjhgbs2s9cmv7rrkuac6/33516567465.pdfIn PDF document text
    • https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/0dd771f5175fca83eab653a24958e261/xafupurokuludinube.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=ahk+gui+creatorPDF link annotation

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