Malicious PDF — malware analysis report

Static analysis result for SHA-256 856eac03603f83ec…

MALICIOUS

PDF

192.3 KB Created: 2020-08-20 09:44:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c60f9179bd0d1263fc19f288331a0f1 SHA-1: 6d20dcd2aa40ba53b4c3ff95f96afd9d020a559e SHA-256: 856eac03603f83ec01198ab7a5c2f0541ee28fbcbb44f64e0d350237a576348f
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=2nd+world+war+video'. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. No scripts were extracted from this sample. The file's purpose is to redirect the user to a potentially harmful external resource.

Heuristics 2

  • 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.
  • 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.ru/pify?keyword=2nd+world+war+video
    • http://fuleni.drdavidnjacobsen.com/uploads/1/3/2/7/132712336/f6f0524d667ff4.pdf
    • http://files.billsamsel.com/uploads/1/3/0/7/130739284/jipepevujikixaw.pdf
    • http://files.mentoringfutureleaders.com/uploads/1/3/1/4/131438453/2a35f6a0016a.pdf
    • https://cdn.shopify.com/s/files/1/0432/3675/3570/files/finigegoxidivowaxugopu.pdf
    • https://cdn.shopify.com/s/files/1/0431/9415/5157/files/printable_lesson_plan_template_for_toddlers.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dipudakafadaned.pdf
    • https://cdn.shopify.com/s/files/1/0432/2839/7728/files/36773604320.pdf
    • https://cdn.shopify.com/s/files/1/0433/7437/9158/files/41144833850.pdf
    • https://cdn.shopify.com/s/files/1/0432/5359/6310/files/gisuzajug.pdf
    • https://cdn.shopify.com/s/files/1/0431/0247/0306/files/pajafasuxasovu.pdf
    • https://cdn.shopify.com/s/files/1/0431/8511/1203/files/68621010832.pdf
    • https://cdn.shopify.com/s/files/1/0435/7835/9967/files/12493832246.pdf
    • https://cdn.shopify.com/s/files/1/0431/0161/8327/files/26825335385.pdf
    • https://cdn.shopify.com/s/files/1/0432/4209/4755/files/piziwofibopituvulamavirub.pdf
    • https://cdn.shopify.com/s/files/1/0429/8987/9445/files/28022539016.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_off0002bba9.bin
20399770dd158f6fb610a15e5dc5d32bb6b6ef88cf36c2d29250c3b27415d732		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBA9 4832 bytes
font_01_sfnt_off0002cc30.bin
02e37e7a39abc93dfe02b5bb8417c623d5318d502c0f294f375efa93c475c9a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC30 12012 bytes

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