Malicious PDF — malware analysis report

Static analysis result for SHA-256 b62935defa61fb35…

MALICIOUS

PDF

63.8 KB Created: 2020-08-27 22:16:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d683a35664d8640759b7be46aedfc70f SHA-1: db8525b2327072fc85af375b85df921a89f90c03 SHA-256: b62935defa61fb359445d32d25066815bb9cd69ea9f2adc2f656bb5b060b532f
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the redirector heuristic. The presence of numerous links, many pointing to Shopify domains hosting PDF files, suggests a link farm or SEO poisoning tactic to distribute malicious content. The primary malicious URL identified is https://ttraff.com/pify?keyword=power+pressure+cooker+xl+manual+en+espa%2525C3%2525B1ol, which is likely used to redirect users to a phishing or malware site.

Heuristics 4

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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.com/pify?keyword=power+pressure+cooker+xl+manual+en+espa%2525C3%2525B1ol
    • http://mogozut.swedishfikasandiego.com/uploads/1/3/1/0/131070722/f31ee2649.pdf
    • http://bodidu.campbellcareerdevelopment.org/uploads/1/3/1/4/131437736/xapexofibekof_tesijovitebixan.pdf
    • http://xapipomo.catholicwise.org/uploads/1/3/1/1/131163927/4499980.pdf
    • http://poxalelo.breaknsave.com/uploads/1/3/0/8/130814328/mabepiga-tarijofivula-biloxu-vigatanawazis.pdf
    • https://cdn.shopify.com/s/files/1/0437/1942/6198/files/dalevox.pdf
    • https://cdn.shopify.com/s/files/1/0435/0623/7604/files/alessandro_scarlatti.pdf
    • https://cdn.shopify.com/s/files/1/0437/6051/7274/files/sweat_smile_emoji.pdf
    • https://cdn.shopify.com/s/files/1/0437/7876/9045/files/71186064625.pdf
    • https://cdn.shopify.com/s/files/1/0429/8801/1673/files/37209564335.pdf
    • https://cdn.shopify.com/s/files/1/0434/2287/5813/files/87932384308.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mosagewenusuwaguxizekud.pdf
    • https://cdn.shopify.com/s/files/1/0440/5572/4197/files/best_voicemail_transcription_app_android.pdf
    • https://cdn.shopify.com/s/files/1/0429/8869/9802/files/rorepolojimasi.pdf
    • https://cdn.shopify.com/s/files/1/0435/6925/0463/files/current_account_format.pdf
    • https://cdn.shopify.com/s/files/1/0431/8851/9074/files/blossoms_of_the_savannah_themes.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b11c.bin
dd7b880f1c6958317b71933e3175eb4154b1281d355b69180e4ce829e506ee21		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB11C 2828 bytes
font_01_sfnt_off0000bb16.bin
a4f4564814d14f3b6784c9688593bcdff61046ed6a34259a04e47ba303145880		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBB16 5516 bytes
font_02_sfnt_off0000cd91.bin
cfdca702970b5ede1cb579093cd1ca2969315a9ad7d2d8eb75eb763dc90c3b91		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCD91 9948 bytes

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