Malicious PDF — malware analysis report

Static analysis result for SHA-256 f93c75a6515dcce9…

MALICIOUS

PDF

39.7 KB Created: 2020-08-20 12:02:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7e16a613be6da354da007538f3248141 SHA-1: e36d75ca20fbf71fb8bef0f957017854b5a8b2cb SHA-256: f93c75a6515dcce9fac45f9421be075a2b28a79af8b3d7cf0fe931b54e677d57
120 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a known malicious URL (ttraff.cc). The document body and heuristics indicate this is a lure, presenting itself as a 'perceptual map template online' to entice clicks. The PDF also hosts a link farm, with many links pointing to Shopify domains, likely to improve search engine ranking for malicious content.

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.cc/pify?keyword=perceptual+map+template+online
    • http://files.eastervintagefestival.com/uploads/1/3/1/4/131482823/lozoweluvubol.pdf
    • http://files.carrcommunity.org/uploads/1/3/2/6/132695572/cdc1ca608.pdf
    • http://liwubar.elainedodgecopy.com/uploads/1/3/1/4/131452883/b3cb38bcc25694b.pdf
    • http://files.portasuptsblog.org/uploads/1/3/0/7/130739570/matulanipu.pdf
    • http://maxuj.helenduttonequestrian.com/uploads/1/3/2/6/132695213/tefewun.pdf
    • https://cdn.shopify.com/s/files/1/0434/2982/2631/files/85296968925.pdf
    • https://cdn.shopify.com/s/files/1/0437/9394/0629/files/lire_les_journaux_algeriens_d_aujourd_hui_en.pdf
    • https://cdn.shopify.com/s/files/1/0432/7315/8806/files/wordly_wise_3000_book_5_lesson_2.pdf
    • https://cdn.shopify.com/s/files/1/0431/2779/9957/files/list_of_2008_comedy_films.pdf
    • https://cdn.shopify.com/s/files/1/0431/1787/1266/files/mario_benedetti_poemas_de_otros.pdf
    • https://cdn.shopify.com/s/files/1/0435/3022/3775/files/6965717382.pdf
    • https://cdn.shopify.com/s/files/1/0433/1687/1333/files/lebomegatitibotuxorupi.pdf
    • https://cdn.shopify.com/s/files/1/0437/8807/5159/files/k_lite_codec_pack.pdf
    • https://cdn.shopify.com/s/files/1/0434/3182/1473/files/loxatagete.pdf
    • https://cdn.shopify.com/s/files/1/0431/5525/9546/files/17561205259.pdf
    • https://cdn.shopify.com/s/files/1/0431/0745/1042/files/35330065488.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_off00005ffc.bin
3fbbfdf147e8c63bed24690ed94c41d2fbdf2d503f4ba2b52afa0a67d6ff97fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FFC 4904 bytes
font_01_sfnt_off0000708b.bin
213465cd926acf10b92ee0ba76218ace4d45a8d38f1952a5e9b2370f72b1712d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x708B 9840 bytes

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