Malicious PDF — malware analysis report

Static analysis result for SHA-256 251e0d043c4cf552…

MALICIOUS

PDF

36.2 KB Created: 2020-08-07 19:30:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3ba738f32bb48b7963ef878516e07a52 SHA-1: a576abc4acad2a61cfcab217a5cee0c4f999078b SHA-256: 251e0d043c4cf55227a33a3e2279f719143e26217b61327079025c1cc3bdea67
120 Risk Score

Malware Insights

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

The PDF document contains a malicious redirector link disguised as a link to a 'vive l alimentation cetogene pdf'. The heuristic firings indicate that the PDF is a malicious redirector and part of a link farm, likely intended to drive traffic to malicious sites. The embedded URL 'https://ttraff.cc/pify?keyword=vive+l+alimentation+cetogene+pdf' is the primary IOC, which redirects to further 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.cc/pify?keyword=vive+l+alimentation+cetogene+pdf
    • http://files.haleybgreen.com/uploads/1/3/1/4/131452733/mozevir.pdf
    • http://files.lcooperillustration.com/uploads/1/3/0/8/130874238/a2294.pdf
    • http://biwinuka.powerandlightdesigns.com/uploads/1/3/0/8/130814124/tovaperabu.pdf
    • http://files.twosevenbaseballcamps.com/uploads/1/3/1/8/131857270/movuzatodof_jukelakol.pdf
    • http://files.nxtgenerationenergy.com/uploads/1/3/2/7/132740415/sodegebu.pdf
    • https://cdn.shopify.com/s/files/1/0430/2667/7913/files/13467710671.pdf
    • https://cdn.shopify.com/s/files/1/0432/1781/3661/files/50804086091.pdf
    • https://cdn.shopify.com/s/files/1/0433/0127/3758/files/xupaje.pdf
    • https://cdn.shopify.com/s/files/1/0432/0365/7887/files/sobefakoxavaze.pdf
    • https://cdn.shopify.com/s/files/1/0432/2859/4336/files/statistical_methods_for_reliability_data_meeker_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0428/0378/9991/files/80068960597.pdf
    • https://cdn.shopify.com/s/files/1/0432/4828/7912/files/skillet_comotose_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0437/7742/5565/files/foxexebaxinisofamevuno.pdf
    • https://cdn.shopify.com/s/files/1/0431/0263/4148/files/81069942798.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48695811849.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_off00004f67.bin
59ce6f1bc6515d1d972903cad3f4e2181e58bfbe7aaa8606abbb3421ce283e8a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F67 5224 bytes
font_01_sfnt_off00006130.bin
d9c260a6bca84096145b1652c4f5b0eeef8f3c3a1512e4aaa346c5d453257097		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6130 10156 bytes

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