Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ecbc012c8dbbaf0…

MALICIOUS

PDF

39.1 KB Created: 2020-03-30 17:57:25 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 84ab8084d2e1b59bffe0bad99a54e615 SHA-1: f41b20fe97b007292dd74fabe379c49e64463442 SHA-256: 9ecbc012c8dbbaf0c5cb3e3487b6665cca9c5c144ea6d835c60561fd95e125c6
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 technique often used for SEO manipulation or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, pointing to multiple PDF files hosted on various domains. The primary URL, http://teshuvah.international/uploads/1/3/0/6/130621794/130621794.html#dioses+griegos+que+participaron+en+la+guerra+de+troya, appears to be part of this link farm.

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://teshuvah.international/uploads/1/3/0/6/130621794/130621794.html#dioses+griegos+que+participaron+en+la+guerra+de+troya
    • http://bristolpistolsbasketball.com/uploads/1/3/0/5/130550974/dalekapitove_simonafafaka.pdf
    • http://iecep-bataan.com/uploads/1/3/0/6/130620389/2b952b65dcfa7.pdf
    • http://cetai.org/uploads/1/3/0/8/130813592/6856c5c9adba06.pdf
    • http://shamakophotography.com/uploads/1/3/0/7/130739129/e7d2ff.pdf
    • http://djelectronicsolution.com/uploads/1/3/0/3/130379363/8599886.pdf
    • http://derekbeckvold.com/uploads/1/3/0/6/130620619/loravosanasafog.pdf
    • http://shoppingndropping.com/uploads/1/3/0/6/130639710/1168983.pdf
    • http://nbc-heads-up-poker.com/uploads/1/3/0/8/130814715/putotada.pdf
    • http://shortshunter.com/uploads/1/3/0/9/130969701/padurixuni.pdf
    • http://x-axis.co/uploads/1/3/0/7/130739416/3082254.pdf
    • http://pikecountytree.com/uploads/1/3/0/2/130273625/4942828.pdf
    • http://autodiscover.dimage.com.sg/uploads/1/3/0/6/130639559/6498814.pdf
    • http://godsofhavoc.com/uploads/1/3/0/5/130588927/6704511.pdf
    • http://fencingokc.com/uploads/1/3/0/6/130621941/de198b6.pdf
    • http://luke-jones.com/uploads/1/3/0/6/130639025/8942497.pdf
    • http://pedagogyinyourpocket.com/uploads/1/3/0/5/130590291/pogepofaxageloten.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_off00006fa9.bin
3ddab91e28f9f55c3176536531c2a3a59429d1cfc853672d0f4f1c38409dcb19		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FA9 8028 bytes

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