Malicious PDF — malware analysis report

Static analysis result for SHA-256 f89bbaa97a65e9e8…

MALICIOUS

PDF

50.3 KB Created: 2020-08-07 00:10:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5c9e996da59faceb9d3fb084d1f8f11c SHA-1: 065789969c5d6e1855e774bb7b214ade8ec81e46 SHA-256: f89bbaa97a65e9e848db1d1a087bd099ca2e9cd8c1d1ce97a8fdf2880699e235
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure, specifically 'ttraff.ru'. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=consumer+buying+process+model+pdf', suggesting a lure to a malicious site. The presence of numerous other PDF links, including those hosted on Shopify, indicates a link farm strategy to improve search engine ranking and distribute malicious content.

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.ru/pify?keyword=consumer+buying+process+model+pdf
    • http://gixewe.italian.thelanguagehub.net/uploads/1/3/1/6/131637814/pumelufuzuj.pdf
    • http://files.vccrc.com/uploads/1/3/2/6/132682607/nuderexaz_dason.pdf
    • http://files.allcrimenocattle.com/uploads/1/3/0/7/130776821/zovukuni.pdf
    • http://files.boogieintheburgh.com/uploads/1/3/1/4/131453902/7677539.pdf
    • https://cdn.shopify.com/s/files/1/0428/8295/7478/files/windows_8_key.pdf
    • https://cdn.shopify.com/s/files/1/0427/5198/3772/files/42308954220.pdf
    • https://cdn.shopify.com/s/files/1/0432/4527/3251/files/fodosimiteseranijokuneget.pdf
    • https://cdn.shopify.com/s/files/1/0430/3680/3233/files/33807456036.pdf
    • https://cdn.shopify.com/s/files/1/0435/5037/6099/files/causas_del_fracaso_escolar_en_mexico.pdf
    • https://cdn.shopify.com/s/files/1/0431/5054/0964/files/foneg.pdf
    • https://cdn.shopify.com/s/files/1/0431/3877/7249/files/babigasuz.pdf
    • https://cdn.shopify.com/s/files/1/0427/9864/5404/files/wukelapigodeza.pdf
    • https://cdn.shopify.com/s/files/1/0427/9966/1223/files/84402011981.pdf
    • https://cdn.shopify.com/s/files/1/0437/6789/0069/files/exercices_d_orthographe.pdf
    • https://cdn.shopify.com/s/files/1/0436/1699/3440/files/43787327382.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_off00008877.bin
366a185b58bca1a22376fac702d6080e915794efb133cb6c76caeb0cf3166bb2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8877 5412 bytes
font_01_sfnt_off00009ace.bin
0fbab3d46abe59770f4c78bff331dc09861365bb41b31d5e90054640650458dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9ACE 9804 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.