Malicious PDF — malware analysis report

Static analysis result for SHA-256 52896bcae1c1ed8e…

MALICIOUS

PDF

45.1 KB Created: 2020-08-25 00:31:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 92118166cff9b01f97edfaee87316af7 SHA-1: ce372dd2b0f41552dfced4fbfc34d96094870815 SHA-256: 52896bcae1c1ed8e7fd7fd72a117c6fda31cabd891542a3872cbe078114bac74
120 Risk Score

Malware Insights

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

The PDF contains numerous links, with one critical heuristic identifying a link to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'animation movie creator software free' and the URL 'https://ttraff.com/pify?keyword=animation+movie+creator+software+free', suggesting a lure. The presence of multiple PDF links, including one to a Shopify domain, indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the final destination.

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=animation+movie+creator+software+free
    • http://kositun.looselucys.net/uploads/1/3/1/8/131856705/wupavopupufasab_fadamapagup_putagubig.pdf
    • http://files.chapelheightsumceauclaire.com/uploads/1/3/1/1/131164455/padokotopa_dovepam_mupedapedetev_bopilirubona.pdf
    • http://kepufixug.nordicfilmmusicdays.com/uploads/1/3/0/8/130813528/pelamazujibeloz.pdf
    • http://jibip.edbertcheng.com/uploads/1/3/2/8/132814930/jixabazaje.pdf
    • http://files.support.famhealth.com/uploads/1/3/1/4/131437740/3357936.pdf
    • https://cdn.shopify.com/s/files/1/0431/9654/7230/files/cessna_172_maintenance_manual.pdf
    • https://cdn.shopify.com/s/files/1/0430/3519/7602/files/55619254797.pdf
    • https://cdn.shopify.com/s/files/1/0432/1551/9912/files/jofoge.pdf
    • https://cdn.shopify.com/s/files/1/0434/4142/2492/files/definicion_de_materialismo.pdf
    • https://cdn.shopify.com/s/files/1/0434/2287/5805/files/24240163792.pdf
    • https://cdn.shopify.com/s/files/1/0434/4964/7261/files/nekuzoref.pdf
    • https://cdn.shopify.com/s/files/1/0431/8615/9767/files/mawawe.pdf
    • https://cdn.shopify.com/s/files/1/0431/9982/4032/files/gingerbread_man_story_templates_free.pdf
    • https://cdn.shopify.com/s/files/1/0437/5176/8225/files/gojod.pdf
    • https://cdn.shopify.com/s/files/1/0431/0152/0029/files/accessibility_requirements_fors.pdf
    • https://cdn.shopify.com/s/files/1/0433/0140/4830/files/vuledirulunawelujiluda.pdf
    • https://cdn.shopify.com/s/files/1/0432/6073/9752/files/24838182683.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_off000071b6.bin
7ee3f4ee5e7dc75a8590f7ea33dfd410c7d16d5fbfce69079e26e1da7b67cd9a
pdf-font-stream PDF embedded font (sfnt) at offset 0x71B6 5136 bytes
font_01_sfnt_off00008324.bin
39c73ae4ca1028a683de6dfb4d036b26a977290a83365ecbdfbfe7b443750ff4
pdf-font-stream PDF embedded font (sfnt) at offset 0x8324 10652 bytes