Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2e5592f4904fb71…

MALICIOUS

PDF

46.5 KB Created: 2020-09-01 10:18:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8b6849006dd49aab8e053b3ef6045018 SHA-1: 5d846603bab52b134a2d2033c1a5771a6a53bf62 SHA-256: e2e5592f4904fb71eb6ba63fd39b80ce431b2214f5cfb2140e3504e49d5c94b0
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.ru/pify?keyword=2014+cadillac+ats+2.+0t+owners+manual'. The document body, though heavily obfuscated, also contains this URL and text suggesting it is an owner's manual. This indicates a social engineering attempt to trick users into visiting a malicious site.

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.ru/pify?keyword=2014+cadillac+ats+2.+0t+owners+manual
    • https://static.usrfiles.com/ugd/963627_42c8f4cfd7904db3a9adbc848aa61737.pdf
    • https://static.usrfiles.com/ugd/33a16d_d1b0077e383a4381ae10402481db2906.pdf
    • https://static.usrfiles.com/ugd/b8c837_df04a3c7bfc34e81a87a5fd656363619.pdf
    • https://cdn.shopify.com/s/files/1/0432/8305/4757/files/49440398509.pdf
    • https://cdn.shopify.com/s/files/1/0432/5415/3371/files/basics_of_technical_drawing.pdf
    • https://cdn.shopify.com/s/files/1/0431/8366/9412/files/xunubolazewukatunasu.pdf
    • https://cdn.shopify.com/s/files/1/0435/5594/6645/files/80894329152.pdf
    • https://cdn.shopify.com/s/files/1/0431/0702/5056/files/waxesoviwekixuves.pdf
    • https://cdn.shopify.com/s/files/1/0434/4204/5089/files/breviarium_romanum_1568.pdf
    • https://cdn.shopify.com/s/files/1/0460/8691/4212/files/vuzopoveresa.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006852.bin
a32291e4008cfe711c721c5766ad6187e0e4749378f6f1a532c40d40690f3f25		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6852 5408 bytes
font_01_sfnt_off00007aa7.bin
08190c7a42e6ccd0627328a28f10b52bc8add160d0065120cdd59d41c02f8182		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7AA7 10732 bytes
font_02_sfnt_off00009f55.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F55 4324 bytes

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