Malicious PDF — malware analysis report

Static analysis result for SHA-256 e69d8243dd28dd24…

MALICIOUS

PDF

31.9 KB Created: 2020-08-22 10:13:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 68b654165988a72b7aed341257ef4093 SHA-1: a3307549eecc1daeced999a82ce1e3fdb799b196 SHA-256: e69d8243dd28dd2444eeb7d81171eb35c1e57ae9127fd14c9a755ba1cff58347
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The document body, though heavily obfuscated, contains the same malicious URL. This suggests the primary purpose is to lure users through a deceptive link, likely leading to a phishing page or malware download.

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=charmsukh+highway+2019
    • http://vidosusu.3lennons.com/uploads/1/3/2/6/132681579/7500284.pdf
    • http://files.worldnear.com/uploads/1/3/0/7/130775897/ba2fea8107d0cf.pdf
    • https://cdn.shopify.com/s/files/1/0433/9374/5046/files/11715649843.pdf
    • https://cdn.shopify.com/s/files/1/0435/4598/5179/files/dragon_s_blood_droplet.pdf
    • https://cdn.shopify.com/s/files/1/0433/4272/5275/files/86931215628.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8428/files/68934944163.pdf
    • https://cdn.shopify.com/s/files/1/0438/8562/5499/files/answer_key_2019_clerk.pdf
    • https://cdn.shopify.com/s/files/1/0428/2816/9375/files/irobot_roomba_980_review_consumer_reports.pdf
    • https://cdn.shopify.com/s/files/1/0428/5064/8223/files/69253983375.pdf
    • https://cdn.shopify.com/s/files/1/0428/9753/9231/files/236817867.pdf
    • https://cdn.shopify.com/s/files/1/0429/2401/5783/files/sogerivi.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_off00003f3f.bin
5bf00be5ffdff9585c5dfd882774c3de3220817aed1e2af964dec96d185e51bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3F3F 5712 bytes
font_01_sfnt_off000052aa.bin
8df7d49716a8ffce5e7e194317a71f7835ed550406e347a2e245d402881eea08		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52AA 9616 bytes

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