Malicious PDF — malware analysis report

Static analysis result for SHA-256 40ac556e2c3868e6…

MALICIOUS

PDF

41.6 KB Created: 2020-08-16 16:51:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 73faf43399f6c072bb27d2a832cd2975 SHA-1: df6cc88ce8cb79bcb6a6a5413f4cebf7b7a04d92 SHA-256: 40ac556e2c3868e64715e21ba02e2546304b42587ac714caec5405b8ac821150
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=walmart+farberware+air+fryer+manual'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with the primary one leading to a Shopify domain. The document body, though partially corrupted, contains text related to a 'Walmart farberware air fryer manual' and the malicious URL, suggesting a lure to a scam or phishing page.

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=walmart+farberware+air+fryer+manual
    • http://banetaku.mytreasuresearch.com/uploads/1/3/1/3/131383434/numoj.pdf
    • http://files.endlessglass.co.uk/uploads/1/3/2/8/132815220/01d6e8a0.pdf
    • http://files.pendurthisurgicalassociates.com/uploads/1/3/0/7/130739204/0000392.pdf
    • http://fapozase.teddybrighton.co.uk/uploads/1/3/0/9/130969408/da8c9.pdf
    • https://cdn.shopify.com/s/files/1/0432/8439/8244/files/lotokitogelegafomow.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kopamidije.pdf
    • https://cdn.shopify.com/s/files/1/0429/8797/8905/files/top_ps1_rpgs.pdf
    • https://cdn.shopify.com/s/files/1/0431/2003/3943/files/carothers_real_analysis_solutions.pdf
    • https://cdn.shopify.com/s/files/1/0437/4803/2666/files/axis_bank_credit_card_closure_form.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/3183641906.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96989945255.pdf
    • https://cdn.shopify.com/s/files/1/0450/8103/4917/files/47161389401.pdf
    • https://cdn.shopify.com/s/files/1/0439/8841/8718/files/effects_of_stress_on_employee_performance.pdf
    • https://cdn.shopify.com/s/files/1/0431/0705/7825/files/pepagajo.pdf
    • https://cdn.shopify.com/s/files/1/0431/7754/1791/files/refufib.pdf
    • https://cdn.shopify.com/s/files/1/0433/3325/5323/files/abandono_escolar_tesis.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_off00006620.bin
b0db48918a38bd034b32f543c43e87007a229370210fd15309a9ea7d86497050		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6620 5084 bytes
font_01_sfnt_off00007772.bin
b0e568e9435e0309bd9987e9bef105f46af810299bf53744f9add66e52e1f9f0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7772 10016 bytes

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