Malicious PDF — malware analysis report

Static analysis result for SHA-256 a07110619feff42e…

MALICIOUS

PDF

101.1 KB Created: 2020-08-06 19:25:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3cc5a0331072bb56f2dbbc8eb5f036e1 SHA-1: 7bcf9e199b1675a796466ccde7bb32865d5ed0d2 SHA-256: a07110619feff42e6c27b7b5a5d466f1e17d5f3d9c89441b17accebea136d68d
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 pointing to ttraff.com. Additionally, it features a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO manipulation tactic. The embedded URL in the document body, 'https://ttraff.com/pify?keyword=amis+and+amiloun+pdf', is the primary indicator of malicious intent, likely leading to a phishing or malware download page.

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.com/pify?keyword=amis+and+amiloun+pdf
    • http://gijub.legacycaengineering.com/uploads/1/3/2/8/132816066/tejukidoteko-kadopopoli-tudulirapub.pdf
    • http://files.asifthinkingmatters.com/uploads/1/3/1/3/131378990/mirovos_rubiru_raburabuzofapo.pdf
    • http://files.integralsteps.org/uploads/1/3/1/3/131379042/1005e6295911.pdf
    • http://files.democraticclubofthewoodlands.com/uploads/1/3/0/7/130740563/0d32fc94.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41230052817.pdf
    • https://cdn.shopify.com/s/files/1/0433/9603/8812/files/kugunonogusepufivugul.pdf
    • https://cdn.shopify.com/s/files/1/0437/9305/5904/files/final_fantasy_viii_rom.pdf
    • https://cdn.shopify.com/s/files/1/0440/8328/2070/files/academic_dishonesty_definition.pdf
    • https://cdn.shopify.com/s/files/1/0432/0142/9662/files/xagubalojebuzatubi.pdf
    • https://cdn.shopify.com/s/files/1/0434/4227/4471/files/landscaping_contract_agreement.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60561448525.pdf
    • https://cdn.shopify.com/s/files/1/0431/5470/2496/files/assistant_accountant_job_description_pdf.pdf
    • https://cdn.shopify.com/s/files/1/0432/9432/6949/files/43991658506.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/degejuwetisagemudow.pdf
    • https://cdn.shopify.com/s/files/1/0437/8460/1752/files/96060663187.pdf
    • https://cdn.shopify.com/s/files/1/0437/3980/7893/files/bribery_and_corruption_policy.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_off000146d1.bin
d8e3291e83f427db1196718ccead1fcb6aff2133459dedfc9a6e6442f17eb018		 pdf-font-stream PDF embedded font (sfnt) at offset 0x146D1 5080 bytes
font_01_sfnt_off0001580b.bin
996bb8ce72d93a36d5580c7d44322ad8f0a61733f58ef76311eeb34994d066c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1580B 14008 bytes

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