Malicious PDF — malware analysis report

Static analysis result for SHA-256 f463557cdddc3c65…

MALICIOUS

PDF

42.9 KB Created: 2020-08-05 15:44:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7959caac3e6dcc1474abb40593176bf1 SHA-1: 180ae648950cd654105e5f0dd74d6aaefff44d43 SHA-256: f463557cdddc3c650616399aa845668eb24e8ab2007a0bacc455518185de73b1
120 Risk Score

Malware Insights

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

The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the critical heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The primary redirector URL is https://ttraff.com/pify?keyword=mergers+acquisitions+and+other+restructuring+activities+pdf+download. This indicates a phishing or scam attempt, likely to lead the user to a malicious download or exploit. No scripts were extracted from this sample.

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=mergers+acquisitions+and+other+restructuring+activities+pdf+download
    • http://files.ocpandb.org/uploads/1/3/0/7/130776254/fiwitanagekoferimofa.pdf
    • http://files.kardasystems.com/uploads/1/3/0/8/130874298/2298159.pdf
    • http://files.cashanafrica.com/uploads/1/3/1/8/131856352/nezoxu-jemupima-zagoxotabaduk.pdf
    • http://files.breezyshoresmininubians.com/uploads/1/3/2/8/132814050/588621.pdf
    • http://files.cpcbuckley.org/uploads/1/3/1/3/131384071/nexota_tubazalonir_maxivexali.pdf
    • https://cdn.shopify.com/s/files/1/0428/4959/9651/files/20827250340.pdf
    • https://cdn.shopify.com/s/files/1/0429/5049/2316/files/32966460010.pdf
    • https://cdn.shopify.com/s/files/1/0434/3395/1399/files/minecraft_seed_map_generator.pdf
    • https://cdn.shopify.com/s/files/1/0432/0513/2456/files/61463559988.pdf
    • https://cdn.shopify.com/s/files/1/0428/4622/4551/files/95928035044.pdf
    • https://cdn.shopify.com/s/files/1/0430/3178/9721/files/peludugevevupinodipebobep.pdf
    • https://cdn.shopify.com/s/files/1/0436/2623/4009/files/cebu_city_map.pdf
    • https://cdn.shopify.com/s/files/1/0433/2204/8667/files/sonda_foley_cuidados_de_enfermeria.pdf
    • https://cdn.shopify.com/s/files/1/0433/5396/4702/files/hangman_in_python.pdf
    • https://cdn.shopify.com/s/files/1/0433/9898/7926/files/60097761894.pdf
    • https://cdn.shopify.com/s/files/1/0427/7298/8071/files/83980229336.pdf
    • https://cdn.shopify.com/s/files/1/0431/3258/4098/files/57095021252.pdf
    • https://cdn.shopify.com/s/files/1/0431/9045/2387/files/96385729316.pdf
    • https://cdn.shopify.com/s/files/1/0436/0781/8398/files/65919089753.pdf
    • https://cdn.shopify.com/s/files/1/0437/7542/6721/files/85744843588.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_off00006702.bin
e2783666e297c7467c9f3067e8374f4e9346ad33699e347e7502f52d52612ca9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6702 5700 bytes
font_01_sfnt_off00007a7f.bin
6734307ec93677fd395ed38dc2ae2f1f3856f3822a2309bbe15cf41b6521fce8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A7F 10372 bytes

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