Malicious PDF — malware analysis report

Static analysis result for SHA-256 b13f3df8971f973d…

MALICIOUS

PDF

44.8 KB Created: 2020-04-11 12:51:27 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8b0b6791ad4e9c175385b67eade4c9f2 SHA-1: d96bbcfef359455a187ff6c49c19e76b1298493a SHA-256: b13f3df8971f973da197f68e06bc6132951a6a05954935b49db16929d740dd6e
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF document contains a heuristic firing for a link farm, indicating a large number of external links, many of which are suspicious. The document body text explicitly mentions '24k magic album download zip' and includes a URL that appears to be a lure. This suggests the document's primary purpose is to redirect users to potentially malicious content hosted on external sites.

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://closeandpaschalauction.com/uploads/1/3/0/5/130543190/130543190.html#24k+magic+album+download+zip
    • http://interfaceartsstudio.com/uploads/1/3/0/7/130738753/mobivawosemo-figolanikegok-lefakolasepapub-xefunisi.pdf
    • http://qualitypainting.ca/uploads/1/3/0/8/130874233/9717301.pdf
    • http://f-schreibt.de/uploads/1/3/0/8/130814157/wixedoj.pdf
    • http://p-speedtranslation.com/uploads/1/3/0/6/130640155/zawenogapevu_xomopogefo_vusizavuseme_paxisugikakez.pdf
    • http://autodiscover.duetoffers.com/uploads/1/3/0/8/130813582/pekoradukorexe_sakapodiram_zewike.pdf
    • http://wanderlustdrone.com/uploads/1/3/0/7/130776888/1057723.pdf
    • http://publi4.net/uploads/1/3/0/4/130476276/6944996.pdf
    • http://localclickpartners.com/uploads/1/3/0/6/130639318/bf3cea.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000084d4.bin
d682b797b81cb1fbe5aa5d5b21ba632fe953d3f824497d0a789687058fc481da		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84D4 9132 bytes

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