Malicious PDF — malware analysis report

Static analysis result for SHA-256 e459cb08ff769c8b…

MALICIOUS

PDF

42.0 KB Created: 2020-08-23 18:33:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c8d1aed7cc07ff790c96460754e3a081 SHA-1: 58406e38ca106f23c40cad1a7870740cae553d10 SHA-256: e459cb08ff769c8b4f894a873bd415e2f0177ddab46e6578afc30f2064f6689b
160 Risk Score

Malware Insights

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

The PDF document contains a lure for a 'Giveaway contest template' and includes numerous embedded links. One of these links, https://ttraff.cc/pify?keyword=giveaway+contest+template, is identified as a malicious redirector. The document also exhibits characteristics of a PDF link farm, with many links pointing to Shopify-hosted PDFs, suggesting an attempt to manipulate search engine results or distribute further malicious content. The presence of a remote-support tool lure indicates a potential pretext for gaining unauthorized access.

Heuristics 4

  • 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.
  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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=giveaway+contest+template
    • http://files.12monthbeauty.com/uploads/1/3/0/8/130874128/6301925.pdf
    • https://cdn.shopify.com/s/files/1/0431/7665/7051/files/64705103124.pdf
    • https://cdn.shopify.com/s/files/1/0430/0845/8905/files/vedizukusodejusewa.pdf
    • https://cdn.shopify.com/s/files/1/0439/4100/3432/files/jidezabinitesabol.pdf
    • https://cdn.shopify.com/s/files/1/0432/0083/9842/files/moodle_ese_ips.pdf
    • https://cdn.shopify.com/s/files/1/0429/4233/3087/files/7523665803.pdf
    • https://cdn.shopify.com/s/files/1/0435/0954/7174/files/mamat.pdf
    • https://cdn.shopify.com/s/files/1/0430/2805/4169/files/45677706592.pdf
    • https://cdn.shopify.com/s/files/1/0437/7319/8497/files/structural_building_components.pdf
    • https://cdn.shopify.com/s/files/1/0456/5270/5447/files/ff6_decisive_battle_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0432/3121/5774/files/19929523573.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_off0000667a.bin
efd03931443bbf2c9492eb69524c142ffd3befd429549d353ce946e339063c33		 pdf-font-stream PDF embedded font (sfnt) at offset 0x667A 5268 bytes
font_01_sfnt_off0000787a.bin
d0adc49e762f3a8021aed1358b5938f570cae054cd01be0e517c1d7fe697cb26		 pdf-font-stream PDF embedded font (sfnt) at offset 0x787A 10260 bytes

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