Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e71e6407331fe56…

MALICIOUS

PDF

33.0 KB Created: 2020-08-31 02:09:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4cfb76304ca47e682544f8c064449bd0 SHA-1: 8769046ca59086b71c2d1873e1892034b1ae3eb6 SHA-256: 2e71e6407331fe56fdb7aa2252f216251c1f0135a7057caf131a4d8b47dc8bfd
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to watching a movie, likely as a lure. The primary malicious URL identified is ttraff.com, which is used to redirect users to potentially harmful content. The file also contains a large number of links to Shopify domains, many of which are confirmed benign, but one is flagged as a malicious redirector.

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=the+perfect+man+full+movie+watch+onl
    • https://cdn.shopify.com/s/files/1/0440/3462/1590/files/ronepojiz.pdf
    • https://cdn.shopify.com/s/files/1/0432/3049/4878/files/40000242380.pdf
    • https://cdn.shopify.com/s/files/1/0432/1725/6605/files/composite_shapes_worksheet.pdf
    • https://static.usrfiles.com/ugd/5926b4_770d4b06e67e4caa97af5a997f055a7b.pdf
    • https://static.usrfiles.com/ugd/b8c837_c9f18cad06e041a6baedb4428c042c3d.pdf
    • https://static.usrfiles.com/ugd/b8c837_356757b73cb642b19deb0bff8ac64bd6.pdf
    • https://cdn.shopify.com/s/files/1/0429/3256/8220/files/a_retrospective_on_the_bretton_woods_system.pdf
    • https://cdn.shopify.com/s/files/1/0437/0667/9447/files/83708790623.pdf
    • https://cdn.shopify.com/s/files/1/0440/0657/2182/files/gipuka.pdf
    • https://cdn.shopify.com/s/files/1/0432/6657/2452/files/tisunutevavuguxakizapofil.pdf
    • https://cdn.shopify.com/s/files/1/0432/9452/3552/files/18866321893.pdf
    • https://cdn.shopify.com/s/files/1/0427/3097/9495/files/gazulilokevenidi.pdf
    • https://cdn.shopify.com/s/files/1/0433/2906/1032/files/39317422863.pdf
    • https://cdn.shopify.com/s/files/1/0434/3149/3784/files/90699349955.pdf
    • https://cdn.shopify.com/s/files/1/0432/8475/8696/files/99791241862.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_off00004576.bin
0584b7eba7bda0d1cb1c9ba0b27282a94a5bac2653f54cf317c1a2c56563487f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4576 5180 bytes
font_01_sfnt_off00005702.bin
e1bf23a5c34e73d92fd6157c7eeb842202fa5e9bcecd6a8bda82c40121c5467e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5702 9476 bytes

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