Malicious PDF — malware analysis report

Static analysis result for SHA-256 3309f03742c867aa…

MALICIOUS

PDF

45.5 KB Created: 2020-08-17 10:21:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 74030b15e1cb3db071b996023e84f135 SHA-1: cff35ff49033672464156406d554d8d87e65c1eb SHA-256: 3309f03742c867aacb58a40069eeeef2c03c172ec5f70113c6034c89a728e26f
120 Risk Score

Malware Insights

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

The PDF contains a high number of embedded links, many pointing to Shopify domains, but one critical link redirects to a known malicious domain (ttraff.com). This indicates a link farm or redirection tactic to obscure the final malicious destination. The document body, though heavily obfuscated, contains the same malicious URL, reinforcing the intent to redirect users. No scripts were extracted, but the PDF structure and embedded URLs strongly suggest a social engineering attack.

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=good+afternoon+in+french+informal
    • http://files.boydsbaseball.com/uploads/1/3/2/3/132302940/gaxeturomoworaw.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/55628578329.pdf
    • https://cdn.shopify.com/s/files/1/0434/7763/1126/files/54822313369.pdf
    • https://cdn.shopify.com/s/files/1/0433/6487/6444/files/pipekotegezudu.pdf
    • https://cdn.shopify.com/s/files/1/0435/0076/5336/files/48107255749.pdf
    • https://cdn.shopify.com/s/files/1/0433/6615/4394/files/9029442333.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zorugeligix.pdf
    • https://cdn.shopify.com/s/files/1/0438/0665/4626/files/belmar_surf_cam.pdf
    • https://cdn.shopify.com/s/files/1/0438/1186/4738/files/kogol.pdf
    • https://cdn.shopify.com/s/files/1/0434/4607/5542/files/9117714027.pdf
    • https://cdn.shopify.com/s/files/1/0434/8434/8569/files/xuzukidiloraxaxene.pdf
    • https://cdn.shopify.com/s/files/1/0429/2267/2284/files/netalutarusawaken.pdf
    • https://cdn.shopify.com/s/files/1/0433/2758/6472/files/31805828525.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71409998288.pdf
    • https://cdn.shopify.com/s/files/1/0430/3699/9833/files/ends_and_means_aldous_huxley.pdf
    • https://cdn.shopify.com/s/files/1/0431/7960/6176/files/libros_dr._armando_alducin.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/
    • https://cdn.shopify.com/s/files/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000754f.bin
c427e427545d176ae6abf685d2502f8f8ae289fb47deb67e8198243cb0c4971b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x754F 5116 bytes
font_01_sfnt_off00008689.bin
51b765678c8bf16ab7b5e6e4dc526042fde75b51bbcdeb5c1a6e7dc9f2e77eeb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8689 10008 bytes

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