Malicious PDF — malware analysis report

Static analysis result for SHA-256 296dda82158e7f07…

MALICIOUS

PDF

57.5 KB Created: 2020-08-31 11:42:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 767696dc8932468c3a9bd3f2893cf3dc SHA-1: 3daa099df0bf1c9755ab9375ee979f3b802af1c4 SHA-256: 296dda82158e7f07792fd4e00761e3fe704e215c3179a405cf788ac2b87efc82
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL. This suggests the primary purpose of the PDF is to lure users into clicking this malicious link, likely for adult content or further malicious redirection.

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/wix?keyword=2019+new+teen+pornstars
    • https://static.usrfiles.com/ugd/b8c837_9ffb668673f54508b1db11e53141ba55.pdf
    • https://static.usrfiles.com/ugd/f65518_4fa1bef342624077a1bed43649c7e264.pdf
    • https://static.usrfiles.com/ugd/b4a829_9737c0f57526412bada9365240ad94b1.pdf
    • https://static.usrfiles.com/ugd/defcb2_02827a72225b4bc6bbfcb812b0cf4027.pdf
    • https://static.usrfiles.com/ugd/2f7815_255a6e9301ee470593dbd429418dbbb9.pdf
    • https://cdn.shopify.com/s/files/1/0429/0324/0871/files/39658421018.pdf
    • https://cdn.shopify.com/s/files/1/0428/2207/4534/files/rozedikaxewaretup.pdf
    • https://static.usrfiles.com/ugd/b8c837_02fa2df6913d44c3a9fff2acaacbe810.pdf
    • https://static.usrfiles.com/ugd/4b68be_8a0cbbb0843944da90dbbec87c7eccc8.pdf
    • https://static.usrfiles.com/ugd/197ed4_418a1d5d92604140997856ff1dc8eed7.pdf
    • https://static.usrfiles.com/ugd/26481d_7029820fd1c94bcab54e271c1657711f.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_off0000a575.bin
8b6d8f1fe801ebb97692cee92c5d268976d05d051aa4c186b8d6406c8fba1cca		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA575 5260 bytes
font_01_sfnt_off0000b76c.bin
80b83896a74e767f990c3e18a1bb01000db56ee8d2f3aea3fdaa4d04fab1503b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB76C 9924 bytes

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