Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdee98f26afdad79…

MALICIOUS

PDF

44.3 KB Created: 2020-08-28 14:04:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 55306d75123d00f1999dd17d5106b92c SHA-1: aa55b578be030062b5699427aec574bf3e0ec065 SHA-256: fdee98f26afdad79b02791bfdae5619c63379071c0e609f31529fd5e0694ed59
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector at ttraff.ru. The document body, though heavily obfuscated, contains the URL for the malicious redirector, suggesting the primary intent is to direct users to malicious infrastructure. 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.ru/pify?keyword=the+book+of+awakening+mark+nepo+pdf
    • http://files.escottdesigner.com/uploads/1/3/1/3/131380045/96dac2.pdf
    • http://files.marywilliamsfinearts.com/uploads/1/3/1/8/131856330/4175087.pdf
    • https://cdn.shopify.com/s/files/1/0436/6296/6937/files/katabowevuled.pdf
    • https://cdn.shopify.com/s/files/1/0427/6381/3020/files/jufujiwo.pdf
    • https://cdn.shopify.com/s/files/1/0433/4488/7966/files/kaplan_gre_analytical_writing.pdf
    • https://cdn.shopify.com/s/files/1/0464/9143/5176/files/cessna_182_manual_parts.pdf
    • https://cdn.shopify.com/s/files/1/0432/7030/7995/files/jalafizoj.pdf
    • https://cdn.shopify.com/s/files/1/0428/6644/2406/files/16038033710.pdf
    • https://cdn.shopify.com/s/files/1/0431/5319/5162/files/enfold_template_wordpress.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_off00006f91.bin
b83f432573cbdfe9cf57281de70e329114e59365a2ff702c40bc167924b1d1ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F91 5488 bytes
font_01_sfnt_off00008220.bin
db32fe46687a56f21816094903a8e378a28537316dffad2b138d2a113c9ab32b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8220 10152 bytes

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