Malicious PDF — malware analysis report

Static analysis result for SHA-256 fda24bfe700d9582…

MALICIOUS

PDF

53.4 KB Created: 2020-08-09 07:14:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7a5119bf699bc5c4b373038f7d5bfc55 SHA-1: 93e4f8544c425f9caed3bb816527f0d054a1a5b5 SHA-256: fda24bfe700d9582d5eaf474b0ba8d2339aaea83804b03b0b8d0b242489d18f4
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body also contains this URL, suggesting it's the primary lure. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on Shopify. The presence of embedded URLs and the malicious redirector strongly indicate a phishing or social engineering attempt to direct users to malicious infrastructure.

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=sumerian+tablets+of+creation+pdf
    • http://files.dotyfamilyofjohnandmary.com/uploads/1/3/1/4/131455680/8371060.pdf
    • http://wigijug.sicapitalcampaign.org/uploads/1/3/1/0/131069839/suzunoke.pdf
    • http://files.school.stmatthewspokane.org/uploads/1/3/2/3/132302802/bepuwex_subota.pdf
    • https://cdn.shopify.com/s/files/1/0429/8627/4967/files/fotokafojerir.pdf
    • https://cdn.shopify.com/s/files/1/0429/1490/6279/files/fulorifukusapa.pdf
    • https://cdn.shopify.com/s/files/1/0435/7187/1912/files/99684031933.pdf
    • https://cdn.shopify.com/s/files/1/0437/4836/0343/files/the_eukaryotic_cell_cycle_and_cancer_answers_key.pdf
    • https://cdn.shopify.com/s/files/1/0429/9502/4033/files/fekefiganoxet.pdf
    • https://cdn.shopify.com/s/files/1/0431/8865/0141/files/74977594019.pdf
    • https://cdn.shopify.com/s/files/1/0440/4733/5574/files/1993_ford_taurus_sho.pdf
    • https://cdn.shopify.com/s/files/1/0440/6539/0757/files/rolaweru.pdf
    • https://cdn.shopify.com/s/files/1/0431/5496/4631/files/54530390720.pdf
    • https://cdn.shopify.com/s/files/1/0427/8448/9631/files/todubojumopetubokopiv.pdf
    • https://cdn.shopify.com/s/files/1/0435/2468/5975/files/sewurafeviwunozib.pdf
    • https://cdn.shopify.com/s/files/1/0429/5743/9129/files/side_by_side_book.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_off00008d81.bin
ca521b307947bc9f4c4ac56b9e01bc256c21977733afa38b2f1be271bcabebb8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D81 5544 bytes
font_01_sfnt_off0000a038.bin
2e95cbde7fff3dcebc3161c939a2b28b634573ba2a5b1e45848cfd5dd4fc5af9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA038 12744 bytes

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