Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ba0bc8b5a293cfb…

MALICIOUS

PDF

37.4 KB Created: 2020-04-09 23:43:24 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6ae221f36ce4f346989e1a85488d7211 SHA-1: b55c003781ae7deba9ba495abd2b86e96ecf1342 SHA-256: 3ba0bc8b5a293cfb9b262751421ab85274f398a4445702dd9b6da682c76b4956
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a common technique for SEO poisoning or link farming. The document body text, though partially corrupted, includes a lure to download a movie, and the embedded URLs point to various PDF files hosted on unrelated domains. This suggests a social engineering attack aimed at driving traffic to malicious or spam content.

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://directroofrestoration.com/uploads/1/3/1/4/131453283/131453283.html#descargar+coco+la+pelicula+completa+en+espa%C3%B1ol
    • http://euvat.agency/uploads/1/3/0/4/130483402/jupakawezexez.pdf
    • http://ivonascleaning.com/uploads/1/3/0/8/130814382/visudiwepolali-jekifopun.pdf
    • http://chasingholzer.com/uploads/1/3/0/4/130488486/7242025.pdf
    • http://caliberpropertysolutions.com/uploads/1/3/0/7/130739016/82b829f31b.pdf
    • http://tennis-osttirol.com/uploads/1/3/0/9/130969430/wufagotabebenu-fesiluze-jotafakon-mopekoxatup.pdf
    • http://diapercakesorlando.com/uploads/1/3/1/4/131453049/jawugev.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_off000064bf.bin
e6b9e7a3125c2f350089d945e68096d6418bf69ce6f2c79ee4c87f778acc43df		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64BF 9456 bytes

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