Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9c09ea388d4c889…

MALICIOUS

PDF

82.2 KB Created: 2020-08-20 12:46:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 82d989169632d22ecb6545cbbf3c091a SHA-1: 74e691aae735016f7b720ab39d4638f694e342cb SHA-256: e9c09ea388d4c889be4cec3dd4a9321ba4de311a1f8f476cee3ec3909a0975c2
120 Risk Score

Malware Insights

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

The PDF contains a link farm and a direct link to a known malicious redirector, ttraff.com, which is used to lure users with a movie-related keyword. This indicates a phishing or scam attempt. The document body, though heavily obfuscated, also contains the malicious URL. 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=movies+2019+new++tamil
    • http://redizokok.livingwithmetta.com/uploads/1/3/0/8/130814535/nesarevejasese.pdf
    • http://sikuge.fairycot.com/uploads/1/3/2/7/132740805/kodasatuvelad.pdf
    • http://doxunasiw.smartguardrx.com/uploads/1/3/1/8/131856703/ee7229c290361f3.pdf
    • https://cdn.shopify.com/s/files/1/0427/5906/1670/files/xirezusenupinofusi.pdf
    • https://cdn.shopify.com/s/files/1/0435/3179/6629/files/business_english_advanced.pdf
    • https://cdn.shopify.com/s/files/1/0430/7573/1616/files/alien_shooter_hack_android_1.pdf
    • https://cdn.shopify.com/s/files/1/0429/3555/0111/files/60262686592.pdf
    • https://cdn.shopify.com/s/files/1/0435/6990/5825/files/99116150631.pdf
    • https://cdn.shopify.com/s/files/1/0437/3243/5093/files/the_talented_mr_ripley_free.pdf
    • https://cdn.shopify.com/s/files/1/0429/0258/5500/files/44460931284.pdf
    • https://cdn.shopify.com/s/files/1/0432/9183/6566/files/toviruvepopojarejo.pdf
    • https://cdn.shopify.com/s/files/1/0455/6403/5237/files/aadhar_card_tamil_2019.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d9dd.bin
bb6893414838d61f6b33bb21935d5b5c7853fcaf57fd2d55f0ae5b4c7a0eed64		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD9DD 5376 bytes
font_01_sfnt_off0000ec30.bin
7a37204c9573f3d3992a8ce2fd5594eeb93deac0a14730eabbd741b8ce39feeb		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEC30 6664 bytes
font_02_sfnt_off00010140.bin
99af43733d2e2fb01e37030c54619ba248963c19bd2119e1e5ac72f1bc8ba499		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10140 10684 bytes
font_03_sfnt_off00012606.bin
e296a61d2d303e35be9e1a35631556663d2780498efa7e8f3867bf557f172fe6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12606 16164 bytes

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