Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e29833086039801…

MALICIOUS

PDF

64.1 KB Created: 2021-06-15 21:22:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 785553e82b6a099ebb4dd4c3ac94632d SHA-1: 42875856270afd5ffdaa92509d12e12feafbe50d SHA-256: 5e298330860398013c929da50cfbd21b5fc431e648b45d7aceed31eb17345e2d
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The presence of 'love life full movie watch online' in the document body and URLs indicates a social engineering attempt to trick users into visiting malicious sites. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9147

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://archism.ru/uplcv?utm_term=love+life+full+movie+watch+online PDF link annotation
    • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/3c87d83089133b10be9bf865763bfc11/951311122.pdfIn PDF document text
    • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c427ede26ff---16931528430.pdfIn PDF document text
    • http://foto-klub.dk/userfiles/file/20506841286.pdfIn PDF document text
    • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160720a1a5db07---zebaximafiletetukamupixo.pdfIn PDF document text
    • http://wrtour.com/FileData/ckfinder/files/20210607_92E9944F7FBF43F2.pdfIn PDF document text
    • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609e830680843---jipefatewax.pdfIn PDF document text
    • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/c4016a6dd9ffcc673b20701e9e3b82f8/zemujasevokegofadikini.pdfIn PDF document text
    • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16077009fcbddc---58155995894.pdfIn PDF document text
    • http://bhk-aindling.de/userfiles/files/wadisumozawamomu.pdfIn PDF document text
    • https://airflow-skateboards.com/upload/file/27139668176.pdfIn PDF document text
    • https://systematix.pl/userfiles/file/gexemoro.pdfIn PDF document text
    • https://llsindia.in/FCKeditor/file/toved.pdfIn PDF document text
    • https://bistakalikotenetwork.com/userfiles/file/tomez.pdfIn PDF document text
    • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/aa87f0b618bf9df72242df9a7c48a565/59053797466.pdfIn PDF document text
    • https://beautyyaurient.com/editor_upload/file/jinigikexufenoz.pdfIn PDF document text
    • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160704005065d5---jitigim.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cea4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCEA4 4820 bytes
SHA-256: 59bdf5eceed3f23ab0fb50ccc42fc4a60795da439433c4b8117a691b0aed0f2d
font_01_sfnt_off0000df01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF01 10248 bytes
SHA-256: a20d1b5f457d05412dd35243d16e5201ae0990c36e677fcee650284da5d12cfa

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