Malicious PDF — malware analysis report

Static analysis result for SHA-256 967e0aec272479ea…

MALICIOUS

PDF

44.7 KB Created: 2020-08-24 10:24:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4f1b99bafc1b14cff293c0c3829047c8 SHA-1: 7776ee5af9c54aa523ca86946a03568522583074 SHA-256: 967e0aec272479eab6b79d585a2f11d668638dcbbdfe31b49d4b598eefeb8022
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=the+thing+game'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, including one to a Shopify domain. The document body, though heavily obfuscated, contains references to the malicious URL, suggesting a lure to a malicious site under the guise of a tutorial download.

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=the+thing+game
    • http://files.laurendobee.com/uploads/1/3/1/4/131409305/b8d03.pdf
    • http://files.megageniussupplystore.org/uploads/1/3/1/4/131437669/88485.pdf
    • http://files.veniceisthinking.com/uploads/1/3/0/7/130775350/ed53c53bef80994.pdf
    • http://pafunot.hocobicyclerentals.com/uploads/1/3/2/3/132303219/rikede.pdf
    • https://cdn.shopify.com/s/files/1/0432/8567/6188/files/watercolor_painting_tutorial_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0457/9042/9340/files/rigolutivute.pdf
    • https://cdn.shopify.com/s/files/1/0435/6043/5873/files/2781270223.pdf
    • https://cdn.shopify.com/s/files/1/0429/3902/3526/files/26520675974.pdf
    • https://cdn.shopify.com/s/files/1/0428/8148/2919/files/pijepofuwidi.pdf
    • https://cdn.shopify.com/s/files/1/0461/9406/5557/files/xuvapagavopafoba.pdf
    • https://cdn.shopify.com/s/files/1/0440/1656/6422/files/livububoxaz.pdf
    • https://cdn.shopify.com/s/files/1/0427/7813/2636/files/koralan.pdf
    • https://cdn.shopify.com/s/files/1/0432/0441/1556/files/pubazaxekopitegodulaz.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_off0000733b.bin
3f342e2a610845a2148f24ab44afb7036c8b4ab1d085cc9345cbe39372f46d43		 pdf-font-stream PDF embedded font (sfnt) at offset 0x733B 4744 bytes
font_01_sfnt_off00008335.bin
d5a881ecbccdf37b53f97b16fd06ed74087a33ce732cd1b8dfcf05d819759d47		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8335 10424 bytes

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