Malicious PDF — malware analysis report

Static analysis result for SHA-256 e223db41add12bd5…

MALICIOUS

PDF

40.6 KB Created: 2020-08-23 10:04:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4e34a566686400e84a5ff31842c75fde SHA-1: b1c454b594e70bc4adff1c2b1d56b716074062eb SHA-256: e223db41add12bd597b97feb14635e496d5e738a218244f21a8bba1a08945b8c
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, many of which point to a redirector service (ttraff.com) that is known to host malicious content. The document body, though heavily obfuscated, also contains the same redirector URL. This indicates a likely phishing or scam attempt designed to redirect users to malicious 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.com/pify?keyword=high+build+epoxy+paint+data+sheet
    • http://parisudop.securevisionmediasolutions.com/uploads/1/3/2/6/132680835/rufavanav.pdf
    • https://cdn.shopify.com/s/files/1/0431/4644/4960/files/carrier_ultra_xtc_service_manual.pdf
    • https://cdn.shopify.com/s/files/1/0440/0742/4158/files/29990652899.pdf
    • https://cdn.shopify.com/s/files/1/0440/2295/6197/files/84681244222.pdf
    • https://cdn.shopify.com/s/files/1/0427/6004/4710/files/1335104726.pdf
    • https://cdn.shopify.com/s/files/1/0429/0134/0319/files/gotavuwap.pdf
    • https://cdn.shopify.com/s/files/1/0440/3996/2774/files/kusakanolotisudonelo.pdf
    • https://cdn.shopify.com/s/files/1/0463/1933/7632/files/odisha_weather_report_in_odia.pdf
    • https://cdn.shopify.com/s/files/1/0428/4026/0775/files/zuzobutesesa.pdf
    • https://cdn.shopify.com/s/files/1/0446/7264/7331/files/champagne_colored_semi_formal_dresses.pdf
    • https://cdn.shopify.com/s/files/1/0431/5929/0022/files/53614903071.pdf
    • https://cdn.shopify.com/s/files/1/0432/0293/6992/files/action_combat_tracker.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_off0000611e.bin
e9ae798748da1dfcd2221b973e2fa2735fdb929831eb7f946490c27ba6d880c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x611E 5396 bytes
font_01_sfnt_off00007373.bin
6360d8bd0cb3481ec14e80edb320e1a1d4e13f7423f10b39c60b1ae9dbeca671		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7373 10044 bytes

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