Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea274bb985f11666…

MALICIOUS

PDF

36.0 KB Created: 2020-09-02 19:37:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 753cdc5684a8bc1e07d0fca84f8199ea SHA-1: 410da56a5dc4c864e45f34097efff8b44ca8b564 SHA-256: ea274bb985f1166673a01d4a1818aac88664a961600a69bdb2f09086f4708e8c
120 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.club/wix?keyword=alif+lam+mim+film++bluray, which is flagged as malicious. The presence of a link farm heuristic further suggests an attempt to lure users to external, potentially harmful, sites.

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.club/wix?keyword=alif+lam+mim+film++bluray
    • https://static.usrfiles.com/ugd/76de1a_244a7833f80240cf8db72854867597c1.pdf
    • https://static.usrfiles.com/ugd/97368a_af52d8349216408684becb6ee3780b53.pdf
    • https://static.usrfiles.com/ugd/8ac1ab_61ef377ac4494503a58fadd6ac288c88.pdf
    • https://static.usrfiles.com/ugd/95089d_87ceca5f65e44700836c0093698ab918.pdf
    • https://static.usrfiles.com/ugd/0789d5_acad81f1d41242d896c2af5d6371148b.pdf
    • https://static.usrfiles.com/ugd/b8c837_61bad3644f934a5d853a47703719c7e6.pdf
    • https://static.usrfiles.com/ugd/b8c837_5d9b60dec7474b108c153c26de6bbfe4.pdf
    • https://static.usrfiles.com/ugd/c75f60_68e0d73e00d34f318eccb2a14ad28464.pdf
    • https://static.usrfiles.com/ugd/d43733_8d3d5c0146524e5882676d2b1952e159.pdf
    • https://static.usrfiles.com/ugd/f35da0_3c0e730d5a4e44e1afe34d889d2d626c.pdf
    • https://static.usrfiles.com/ugd/10a4aa_a158c7608f264d40bb34102fc6f2715c.pdf
    • https://cdn.shopify.com/s/files/1/0427/7361/0663/files/10557495204.pdf
    • https://cdn.shopify.com/s/files/1/0431/6574/5314/files/69746098134.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_off00004f9a.bin
dcda30e4b2771ad0ed2e6a1787c4cfe7cfab53c4d013435bacd7f7a049429b51		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F9A 4964 bytes
font_01_sfnt_off00006078.bin
b714817251695b9594e271b253a7b4e67f991c064f1df358df18f821e6b1a022		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6078 10140 bytes

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