Malicious PDF — malware analysis report

Static analysis result for SHA-256 557477ca3816718d…

MALICIOUS

PDF

39.3 KB Created: 2020-08-19 04:07:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6919766d367a61f6b89bae00a4086381 SHA-1: 0af05932ff53f0b3805d85f5dfede845b825aa9c SHA-256: 557477ca3816718d83a81b6e32bea0bb24f99e1ad766a620f531a232f38b2428
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link farm pointing to a malicious redirector. The primary redirector URL is https://ttraff.cc/pify?keyword=all+star+bordo+cano+alto+plataforma. While many other links point to benign Shopify domains, the presence of the redirector suggests an attempt to obscure the ultimate malicious destination, likely a phishing or malware download site.

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.cc/pify?keyword=all+star+bordo+cano+alto+plataforma
    • http://files.neworleansmidwives.com/uploads/1/3/0/7/130740323/wolizer.pdf
    • https://cdn.shopify.com/s/files/1/0440/0968/5157/files/sovivekixatoxoguz.pdf
    • https://cdn.shopify.com/s/files/1/0431/4107/1016/files/cargo_2009_full_movie.pdf
    • https://cdn.shopify.com/s/files/1/0427/8665/2316/files/22396047152.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/visaboxe.pdf
    • https://cdn.shopify.com/s/files/1/0434/4381/4556/files/5230572842.pdf
    • https://cdn.shopify.com/s/files/1/0429/7133/2767/files/bifajubexibaj.pdf
    • https://cdn.shopify.com/s/files/1/0432/8531/5737/files/75463891371.pdf
    • https://cdn.shopify.com/s/files/1/0430/2805/4169/files/92729136636.pdf
    • https://cdn.shopify.com/s/files/1/0437/0523/7657/files/81459477936.pdf
    • https://cdn.shopify.com/s/files/1/0429/5399/8487/files/nouvelle_orthographe_franaise.pdf
    • https://cdn.shopify.com/s/files/1/0430/9411/4465/files/57137687465.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004e25.bin
6a53efbae315e3833338f35548195843a9ab4c29c72abefca14d4d993bf3d5cc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E25 5052 bytes
font_01_sfnt_off00005f1e.bin
baffae8744120da09665a28d49589f8384c9e13a859abed1b83f4e81b9dce0c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F1E 10296 bytes
font_02_sfnt_off0000825e.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x825E 4324 bytes

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