Malicious PDF — malware analysis report

Static analysis result for SHA-256 d395aae1049ceee1…

MALICIOUS

PDF

42.3 KB Created: 2020-07-31 23:03:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8f8c163bc5e3e4302a6e598bf0ae25f2 SHA-1: 76ffafdee5411a2f4e8602fcbf2b50001ec1acb5 SHA-256: d395aae1049ceee1833a878530c187c6565779252ee03396043af53ef47660ec
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector link. The embedded URL points to 'ttraff.com', a known malicious redirector. The document body, though heavily obfuscated, contains references to a 'Georgia driver's manual' and the malicious URL, suggesting a lure to trick users into clicking the link. 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.com/pify?keyword=georgia+driver%2527+s+manual
    • http://files.parkcitybrewery.com/uploads/1/3/2/3/132303012/wubafepim.pdf
    • http://files.saintjosephparish.org/uploads/1/3/1/3/131378999/peboba-fodugiwovujege-waxepafage-sulanawejolum.pdf
    • http://files.goldcoastmodelrailwayclub.com/uploads/1/3/2/8/132814930/kajireposodalepak.pdf
    • https://cdn.shopify.com/s/files/1/0433/7441/1926/files/sopep.pdf
    • https://cdn.shopify.com/s/files/1/0430/7727/1716/files/ramiwokiraja.pdf
    • https://cdn.shopify.com/s/files/1/0431/4556/0219/files/jetukojed.pdf
    • https://cdn.shopify.com/s/files/1/0435/5971/4971/files/94440157338.pdf
    • https://cdn.shopify.com/s/files/1/0432/8184/2341/files/rojivipulaboleboxumol.pdf
    • https://cdn.shopify.com/s/files/1/0430/0016/8597/files/4518008427.pdf
    • https://cdn.shopify.com/s/files/1/0430/6308/3162/files/91551085911.pdf
    • https://cdn.shopify.com/s/files/1/0434/3640/8982/files/3352821944.pdf
    • https://cdn.shopify.com/s/files/1/0427/4687/1974/files/14467842860.pdf
    • https://cdn.shopify.com/s/files/1/0433/0071/6694/files/romituwavodowipepikusa.pdf
    • https://cdn.shopify.com/s/files/1/0437/2417/7557/files/8916387561.pdf
    • https://cdn.shopify.com/s/files/1/0438/2710/1853/files/44740093143.pdf
    • https://cdn.shopify.com/s/files/1/0434/2356/3925/files/sawep.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/
    • https://cdn.shopify.com/s/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000677e.bin
d03052b2b1a0b50f059caa3f543d02776831781c9325d2cf1b4cd97077345582		 pdf-font-stream PDF embedded font (sfnt) at offset 0x677E 5268 bytes
font_01_sfnt_off00007963.bin
4548d73150b798361b0ced4b4c2673a73b89f71a4173850160fe52ca9e8dd99b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7963 10196 bytes

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