Malicious PDF — malware analysis report

Static analysis result for SHA-256 2953554387f14142…

MALICIOUS

PDF

39.5 KB Created: 2020-08-30 08:15:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6a9e8eb8e287551e06e6e66f979a6d54 SHA-1: 050573c410243649f1031be185be2e61e0a78e74 SHA-256: 2953554387f141429d08ab47f82cc8d4476124c56dc6b74028df48211743fd1d
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, specifically pointing to 'https://ttraff.cc/wix?keyword=heroes+and+saints+and+other+plays'. This URL is presented within the document body, suggesting a social engineering attempt to trick the user into clicking it. The file also exhibits characteristics of a PDF link farm, with numerous external links, many of which point to benign content but are likely used to obscure the malicious redirector. No scripts were extracted from this sample.

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/wix?keyword=heroes+and+saints+and+other+plays
    • https://static.usrfiles.com/ugd/b8c837_92bea7a586fd4e00a08e629d2fab10a1.pdf
    • https://static.usrfiles.com/ugd/804ff6_c2ad2ba92d8f4d309a51e528d6afb960.pdf
    • https://static.usrfiles.com/ugd/b8c837_fd1238f0b46d4037a71f11897567eaff.pdf
    • https://cdn.shopify.com/s/files/1/0431/0184/7708/files/lodagisefasusenim.pdf
    • https://cdn.shopify.com/s/files/1/0436/9544/0040/files/gonaxikupegi.pdf
    • https://cdn.shopify.com/s/files/1/0430/9437/6599/files/fafabixa.pdf
    • https://cdn.shopify.com/s/files/1/0433/8037/5702/files/english_activities_for_kindergarten.pdf
    • https://cdn.shopify.com/s/files/1/0427/7813/2636/files/56107960618.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89120948070.pdf
    • https://cdn.shopify.com/s/files/1/0437/8250/4600/files/ludalosivis.pdf
    • https://cdn.shopify.com/s/files/1/0434/6534/3133/files/81130108894.pdf
    • https://cdn.shopify.com/s/files/1/0471/0521/2566/files/wobenexupowopenewefiwilez.pdf
    • https://cdn.shopify.com/s/files/1/0428/3963/8179/files/bimumawodok.pdf
    • https://cdn.shopify.com/s/files/1/0431/5211/3820/files/shell_programming.pdf
    • https://cdn.shopify.com/s/files/1/0434/4669/8146/files/47609206621.pdf
    • https://cdn.shopify.com/s/files/1/0433/5383/3637/files/the_warded_man_download_free.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_off00005d93.bin
0dd129c0999854c02c1c527f711040f5ff6b4b876fad4b912780017705d3ebaf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D93 5112 bytes
font_01_sfnt_off00006eec.bin
e65c1ff308693dc6804a531f0290b281111e738cf8d068e1385f9629bbb28430		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6EEC 10076 bytes

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