Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0181492e9acd366…

MALICIOUS

PDF

44.4 KB Created: 2020-08-09 12:32:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 503415367c18ed2d9e31751bb09210d9 SHA-1: 88d5968e9690eac54b687d859c5970d4c9e8f54c SHA-256: e0181492e9acd36620c0c3de2527416740d46eba78af79b5562bbd494156bf0a
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. The primary malicious link, 'https://ttraff.cc/pify?keyword=que+es+psicologia+comunitaria+pdf', is a known malicious redirector. This suggests the document is designed to lead users to malicious sites through a chain of redirects, likely for phishing or malware distribution.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://ttraff.cc/pify?keyword=que+es+psicologia+comunitaria+pdf
    • http://fuzubabub.offthedirtroad.net/uploads/1/3/1/4/131407005/1645806.pdf
    • http://files.yachtfest.net/uploads/1/3/1/6/131607054/7a143a35a.pdf
    • http://files.kapparho1908.com/uploads/1/3/2/6/132695457/138b2d170278aa3.pdf
    • http://gufaxuwif.kariyaforchange.com/uploads/1/3/1/0/131070109/335729.pdf
    • http://sikebolof.rewarewasoundsproperty.com/uploads/1/3/1/6/131606758/15e5ea972093.pdf
    • https://cdn.shopify.com/s/files/1/0431/5276/9192/files/tixusexovixo.pdf
    • https://cdn.shopify.com/s/files/1/0433/8096/5534/files/52816099454.pdf
    • https://cdn.shopify.com/s/files/1/0439/2468/4955/files/adjective_ending_with_ed_and_ing_exercise.pdf
    • https://cdn.shopify.com/s/files/1/0430/3945/7431/files/99800732100.pdf
    • https://cdn.shopify.com/s/files/1/0435/0102/7493/files/65371349104.pdf
    • https://cdn.shopify.com/s/files/1/0430/4984/4890/files/love_stories_in_telugu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0127/3758/files/rodizavapisodu.pdf
    • https://cdn.shopify.com/s/files/1/0429/5573/5193/files/49761150121.pdf
    • https://cdn.shopify.com/s/files/1/0433/6189/4565/files/83971238874.pdf
    • https://cdn.shopify.com/s/files/1/0433/0435/3950/files/kowabirizutuguz.pdf
    • https://cdn.shopify.com/s/files/1/0428/5494/0828/files/duwufegakido.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fimovubonivunab.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006c03.bin
3154002e90ad43dda1d223f6c52f7a92d77be7aa53125545997d164d3ce996fd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C03 5536 bytes
font_01_sfnt_off00007ebe.bin
ea7b84469a7dca00fccee9c1c46ab866c8313f20315a4ff36f43d329d2d4a1e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7EBE 11096 bytes

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