Malicious PDF — malware analysis report

Static analysis result for SHA-256 96309726b66831d2…

MALICIOUS

PDF

46.3 KB Created: 2020-08-11 01:31:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 588b2102df8c2e6cdbff98072954d3ef SHA-1: d6ca7550e63e53bdb6374c409a6efcb97e9114c2 SHA-256: 96309726b66831d2e0972dca3f60bb562327d7c377b8f622b66b371bdd1155db
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=groin+pain+stretches+pdf'. This indicates the document is designed to redirect users to malicious infrastructure. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded links, many pointing to Shopify domains, suggesting an attempt to manipulate search engine results or distribute content broadly. 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=groin+pain+stretches+pdf
    • http://files.evolvenowinc.com/uploads/1/3/1/6/131636792/gojol-foxubekuvanogi-xojikamotefefuv.pdf
    • http://files.aloveliclass.com/uploads/1/3/1/3/131380354/pifijiraxa-bogusaxe.pdf
    • http://files.alexbadas.com/uploads/1/3/0/8/130874205/9462770.pdf
    • http://files.baxplumbing.co.uk/uploads/1/3/1/3/131379828/rezawurorudog.pdf
    • https://cdn.shopify.com/s/files/1/0440/7446/7478/files/peter_drucker_management_by_objectives.pdf
    • https://cdn.shopify.com/s/files/1/0432/7460/0598/files/texodukikixejakuru.pdf
    • https://cdn.shopify.com/s/files/1/0430/0197/0837/files/viredomapeb.pdf
    • https://cdn.shopify.com/s/files/1/0434/5777/3718/files/leraxokalajusupuko.pdf
    • https://cdn.shopify.com/s/files/1/0427/5470/3526/files/nejoneziluzolesigetadus.pdf
    • https://cdn.shopify.com/s/files/1/0433/3764/6245/files/bolatere.pdf
    • https://cdn.shopify.com/s/files/1/0434/4525/6344/files/arm_cortex_m3_programming.pdf
    • https://cdn.shopify.com/s/files/1/0428/8803/6505/files/noxapusu.pdf
    • https://cdn.shopify.com/s/files/1/0433/7677/1233/files/8273182612.pdf
    • https://cdn.shopify.com/s/files/1/0428/5366/2883/files/ziditusidim.pdf
    • https://cdn.shopify.com/s/files/1/0431/9028/8541/files/mepegakebadoderisekugiji.pdf
    • https://cdn.shopify.com/s/files/1/0429/8693/0329/files/batteries_for_electric_cars.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_off0000785b.bin
e33f8107e629fc3c3e9599217b4349d45570d295b929949071646e250eee08d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x785B 5244 bytes
font_01_sfnt_off00008a20.bin
db27805222469598247705236d990349b1a9a6c54a170f4557a291f38c01544e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A20 9968 bytes

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