Malicious PDF — malware analysis report

Static analysis result for SHA-256 91859796698e984e…

MALICIOUS

PDF

91.4 KB Created: 2020-08-02 20:08:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6b368e6fcb3c540368ce31e13c82ad11 SHA-1: 30fc9e4d8731799cea8ab008ac26211050d00c77 SHA-256: 91859796698e984e5733af4616352838cca71137be267442017d61011c0bbd10
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. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=fort+wayne+in+timezone', which is flagged as a malicious redirector. This suggests the document's primary purpose is to redirect users to malicious content, likely for phishing or malware distribution.

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=fort+wayne+in+timezone
    • http://files.karenraney.com/uploads/1/3/0/8/130815009/5bae6940.pdf
    • http://files.courtandcompanyjewelry.com/uploads/1/3/1/3/131382092/8185c5ad2c73.pdf
    • http://files.hawkinsfarmmarket.com/uploads/1/3/1/4/131455463/dubapemuji.pdf
    • http://files.elliemacdonald.com/uploads/1/3/0/7/130738603/fa8dbb.pdf
    • http://files.anytimemovers.com/uploads/1/3/1/4/131406288/xivatujudeso_ralogumebepuk.pdf
    • https://cdn.shopify.com/s/files/1/0429/2670/2758/files/lelulurivizupa.pdf
    • https://cdn.shopify.com/s/files/1/0432/3350/9534/files/www_socialsecurity_gov_online_ssa_561.pdf
    • https://cdn.shopify.com/s/files/1/0440/7810/4728/files/lusonu.pdf
    • https://cdn.shopify.com/s/files/1/0434/0498/4483/files/zodadavewipisebomemejav.pdf
    • https://cdn.shopify.com/s/files/1/0430/2422/0321/files/batogoj.pdf
    • https://cdn.shopify.com/s/files/1/0435/2344/0792/files/lokaro.pdf
    • https://cdn.shopify.com/s/files/1/0428/2423/7212/files/99006485139.pdf
    • https://cdn.shopify.com/s/files/1/0429/7244/6873/files/27646612195.pdf
    • https://cdn.shopify.com/s/files/1/0432/4671/5040/files/4656201013.pdf
    • https://cdn.shopify.com/s/files/1/0434/0203/5351/files/20528206304.pdf
    • https://cdn.shopify.com/s/files/1/0427/4677/3660/files/28827950880.pdf
    • https://cdn.shopify.com/s/files/1/0434/6219/7400/files/kutuwiponuribo.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vevisip.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_off00012c83.bin
07e5cc915ef80db9dcf634c5f6f835e9e7925f741c983c149fe21fef1dcc9aaa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12C83 4820 bytes
font_01_sfnt_off00013cf1.bin
67c6fa90f8d7119512b0b223924261e8d54147095dd7705d966ec72f1f0f7938		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13CF1 10620 bytes

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