Malicious PDF — malware analysis report

Static analysis result for SHA-256 d32d03ccbf6a0271…

MALICIOUS

PDF

48.5 KB Created: 2020-08-16 18:03:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ea7dee43a4ab1675eb559d07f6f7022 SHA-1: dee3e524a6d2daba44e264c4831fd40132478f40 SHA-256: d32d03ccbf6a02718faa3fca03c597efcaff6cbac57c6d1ba64dd64d4e9e832b
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to malicious infrastructure. It also fired for PDF_SEO_LINK_FARM, suggesting a large number of outbound links, many of which point to PDFs hosted on Shopify. The primary malicious URL identified is https://ttraff.com/pify?keyword=americanizing+the+native+american+answers, which likely serves as a redirector to further malicious content. No scripts were extracted from this sample.

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=americanizing+the+native+american+answers
    • http://files.rjhomecontractor.com/uploads/1/3/1/4/131437157/7205456.pdf
    • http://pekukemam.yangoninternationalchurch.org/uploads/1/3/1/4/131453540/2423863.pdf
    • http://files.bowerbirdfarm.com/uploads/1/3/0/7/130776484/230722.pdf
    • http://files.lifestylenmorenow.com/uploads/1/3/1/6/131606260/1ef107b04c.pdf
    • https://cdn.shopify.com/s/files/1/0431/8891/2290/files/51901635843.pdf
    • https://cdn.shopify.com/s/files/1/0428/9367/2604/files/44229416305.pdf
    • https://cdn.shopify.com/s/files/1/0431/9382/7485/files/98199732037.pdf
    • https://cdn.shopify.com/s/files/1/0437/2473/4613/files/wosamijodonigoratukup.pdf
    • https://cdn.shopify.com/s/files/1/0435/8176/7848/files/75565140750.pdf
    • https://cdn.shopify.com/s/files/1/0436/1627/2547/files/varugobeb.pdf
    • https://cdn.shopify.com/s/files/1/0437/2794/5879/files/solving_limits_graphically_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0435/4444/5092/files/2868962586.pdf
    • https://cdn.shopify.com/s/files/1/0435/5280/0929/files/kutidurutovaloxulunuru.pdf
    • https://cdn.shopify.com/s/files/1/0432/8649/5397/files/aptamil_pro_expert_rossmann.pdf
    • https://cdn.shopify.com/s/files/1/0432/7079/9510/files/funogabonazupuro.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_off00007fe7.bin
9a12186a0d96d95ac76f103683ae595775f696b1296492bedd436ce6195b9acd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FE7 5372 bytes
font_01_sfnt_off00009218.bin
7630031bedb1fa89df432a97c7ea7df12220f232814a6ca1b0523063d38db723		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9218 10052 bytes

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