Malicious PDF — malware analysis report

Static analysis result for SHA-256 c14b84e377b9dd3c…

MALICIOUS

PDF

39.7 KB Created: 2020-08-19 23:15:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5db839e0588b258f899c2037e2845251 SHA-1: bf185151d01b7ddf31862a58780b53aa1c8a62c4 SHA-256: c14b84e377b9dd3c33f6d41018984146b1be60da4148f3f648ecf3a8b110ae82
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector. The document body text and embedded URLs suggest a lure for free templates, which ultimately directs users to the malicious ttraff.cc domain. No scripts were extracted, but the PDF structure and embedded links indicate a phishing or redirection attempt.

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/pify?keyword=premiere+video+template+free
    • http://nemob.alcuincollege.com/uploads/1/3/1/8/131871864/f35a322b.pdf
    • http://files.luminous-studios.us/uploads/1/3/0/8/130814714/nupubegevevijimevoge.pdf
    • https://cdn.shopify.com/s/files/1/0432/0791/7729/files/kpss_vatandalk_ders_notlar_2020_benim_hocam.pdf
    • https://cdn.shopify.com/s/files/1/0432/9370/4350/files/maritime_agenda_2020.pdf
    • https://cdn.shopify.com/s/files/1/0434/4758/2870/files/columns_and_beams_in_building_construction.pdf
    • https://cdn.shopify.com/s/files/1/0430/6488/5397/files/2413929331.pdf
    • https://cdn.shopify.com/s/files/1/0435/2743/8488/files/nasizitid.pdf
    • https://cdn.shopify.com/s/files/1/0428/0900/0103/files/39069942430.pdf
    • https://cdn.shopify.com/s/files/1/0431/3009/3728/files/telijo.pdf
    • https://cdn.shopify.com/s/files/1/0432/3000/3358/files/axtel_telefono_reporte.pdf
    • https://cdn.shopify.com/s/files/1/0440/1790/9910/files/1430671816.pdf
    • https://cdn.shopify.com/s/files/1/0432/7217/5784/files/xexinavodogupefebeb.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_off00005e78.bin
bea6753710f0fea8d8f9b27c41c8f21025d545e45d28b0e10ed67518d40af369		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E78 5072 bytes
font_01_sfnt_off00006fa1.bin
c565a5631cbe2178b4fa64d584eee0e8edc2fad5127238dc06a36b328b433774		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FA1 10164 bytes

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