Malicious PDF — malware analysis report

Static analysis result for SHA-256 1cc332ab68f302f6…

MALICIOUS

PDF

59.5 KB Created: 2020-08-01 18:33:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7444d42677a1b05dcd49081ecf41e769 SHA-1: 1e389cc4e66dc73b6757bac308ab126dae5471d2 SHA-256: 1cc332ab68f302f6b3b1766366f3e9533ac29e040c1ac1cabfe52dbec7067088
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. It also exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=planet+minecraft+resource+packs', suggesting a lure related to 'planet minecraft resource packs' to entice clicks. The primary attack pattern involves redirecting the user to malicious infrastructure.

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=planet+minecraft+resource+packs
    • http://files.lubbockchurchofchrist.org/uploads/1/3/0/7/130738568/7eb8002a0.pdf
    • http://files.mayadabellydance.com/uploads/1/3/2/7/132710753/32dea2850.pdf
    • http://files.thesustainablog.com/uploads/1/3/0/7/130740097/a5a3ab4b3c3d0.pdf
    • https://cdn.shopify.com/s/files/1/0429/9803/8679/files/xeketozunonane.pdf
    • https://cdn.shopify.com/s/files/1/0439/9228/5342/files/15956014711.pdf
    • https://cdn.shopify.com/s/files/1/0435/4942/5823/files/56906201364.pdf
    • https://cdn.shopify.com/s/files/1/0431/2465/4241/files/sixuseweraw.pdf
    • https://cdn.shopify.com/s/files/1/0430/6019/9573/files/revit_2015_tutorial.pdf
    • https://cdn.shopify.com/s/files/1/0429/3964/6108/files/87426174393.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bojakotipizijogi.pdf
    • https://cdn.shopify.com/s/files/1/0431/1266/1146/files/zajasani.pdf
    • https://cdn.shopify.com/s/files/1/0430/4830/4797/files/40748595749.pdf
    • https://cdn.shopify.com/s/files/1/0433/1202/1657/files/xibedodedilob.pdf
    • https://cdn.shopify.com/s/files/1/0437/6972/5080/files/97807152277.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_off00009d7f.bin
ee72da37d4eba8ff133a1af5486f9bbd24f7955be66ec34820e8b563b83424b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9D7F 5108 bytes
font_01_sfnt_off0000aec2.bin
d11597dd23e7e597260c309b729aa1563792dd67b2ceda68948e49849b36f600		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAEC2 10632 bytes
font_02_sfnt_off0000d309.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD309 4324 bytes

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