Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a7122628114c391…

MALICIOUS

PDF

31.7 KB Created: 2020-04-05 11:17:54 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 940835e3b7f5c92469bd52a180e5edf1 SHA-1: a671a399fd9cd28dce7c0b6467922a319ce88afc SHA-256: 2a7122628114c391010f82059e53452d8ccf3198a9f4b216a5827ebdf2dc20e3
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or redirection scheme designed to obscure the ultimate destination. The primary purpose appears to be to lure users to click on these links, potentially leading to phishing sites or malware downloads.

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://moodlabnewlife.nl/uploads/1/3/1/0/131070469/131070469.html#zojirushi+basmati+rice
    • http://wrapworthyoh.com/uploads/1/3/0/7/130739727/jedub.pdf
    • http://writerightassist.com/uploads/1/3/0/6/130621149/nigobamariravirex.pdf
    • http://neautostore.com/uploads/1/3/0/4/130483138/944251.pdf
    • http://hssporthorses.com/uploads/1/3/0/9/130969489/lifin_bokat_dokoxawajurow.pdf
    • http://wildlife-m-s.com/uploads/1/3/1/3/131381006/gefesodizozimuwaja.pdf
    • http://jfdatatechniek.com/uploads/1/3/0/6/130605028/xafata.pdf
    • http://topgirlgb.com/uploads/1/3/0/7/130775830/94a46032915.pdf
    • http://fulltimecasual.com/uploads/1/3/0/2/130289775/robetetigoriw_jepitodi_boxuxesuzugari.pdf
    • http://thegreenhousecollective.org/uploads/1/3/0/3/130313027/4946836.pdf
    • http://britts-blog.com/uploads/1/3/0/6/130605076/5874182.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_off000053d6.bin
67c10a98d1e7440351a73eca6c32e995809fb22e57ec52ca2decdeed08071daa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53D6 7752 bytes

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