Malicious PDF — malware analysis report

Static analysis result for SHA-256 219d6957355a98bb…

MALICIOUS

PDF

422.4 KB Created: 2021-08-01 09:46:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: 0a177686d2cefca75128018bea0f092a SHA-1: aa86476ee7aa69eada9a516e2a5a8588f6a2a649 SHA-256: 219d6957355a98bbcfd7100e91d0a48ec785bd889089ef77dd18c2a4883639b7
94 Risk Score

Malware Insights

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

The sample was detected by ClamAV as Pdf.Phishing.Trojan. It contains multiple links to PDFs hosted on compromised WordPress sites, indicating a phishing or malware distribution attempt. The presence of a link farm pointing to compromised CMS uploads suggests an effort to disguise the malicious payload's origin.

Machine Learning

  • Nyx PDF Classifier clean score 0.0505

Heuristics 4

  • 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.
  • 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://louvre.lv/res/wysiwyg/file/pipugedujejibetu.pdf In PDF document text
    • http://lagrupacio.cat/file/43978204659.pdfIn PDF document text
    • http://angelojrobles.com/admin_initial_test/userfiles/file/kewulevifezotugunaj.pdfIn PDF document text
    • http://daehwa.info/uploaded/file/94828968325.pdfIn PDF document text
    • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160746e078ceef---nazixudadufuzunezaleni.pdfIn PDF document text
    • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16087633191334---kepetezugeriziwi.pdfIn PDF document text
    • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a85a41e3020---wukorixovafire.pdfIn PDF document text
    • http://www.dfdtrading.sk/ckfinder/userfiles/files/tarokijete.pdfIn PDF document text
    • http://haustechnik-hagenauer.at/wakunenuveza.pdfIn PDF document text
    • http://automotiveenergy.cz/userfiles/file/dozegotejefupux.pdfIn PDF document text
    • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ac39cc5dad8---88254013173.pdfIn PDF document text
    • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/4g1jbkkurd970ukkv47miou4s6/mapozagozuwi.pdfIn PDF document text
    • https://marljivo.hr/userfiles/file/95648640285.pdfIn PDF document text
    • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/lla9jaqpv5a9305hvd97s63v55/28894560482.pdfIn PDF document text
    • http://vitanova-cattery.com/upload/file/likewexol.pdfIn PDF document text
    • https://srmresidences.com/images/bulk_images/files/xusasolopuxamepusijebojid.pdfIn PDF document text
    • https://ikima.fr/uploads/file/muvuzojatusumi.pdfIn PDF document text
    • http://menafundinfo.com/userfiles/file/89804095409.pdfIn PDF document text
    • https://moolans.com/uploads/files/39442481994.pdfIn PDF document text
    • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/5024c8d3c793a2cc71d53b54d9f16966/momememagodig.pdfIn PDF document text
    • https://etadelloro.it/images/file/kifujeberu.pdfIn PDF document text
    • https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/0a4d052b956d1da739568d24e2e02a03/416060063.pdfIn PDF document text
    • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a244e01882c---26740895411.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=did+jason+grace+die+in+trials+of+apolloPDF link annotation
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00065ce2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65CE2 21108 bytes
SHA-256: 3cb3b558dacb3b5be63acf15c993ecd1d47c96cb4b74198954d7f57b62e1cf6e

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