Malicious PDF — malware analysis report

Static analysis result for SHA-256 90f3e36fd337d1e6…

MALICIOUS

PDF

80.6 KB Created: 2020-08-29 19:40:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 82ba6e8e3e587db62e1784757bf2fb4b SHA-1: 525fda8163ff21e265d57ed8958a311061a058fc SHA-256: 90f3e36fd337d1e637444d9c1d50d17125608dc1103b414db9d481f97e41d27c
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.com, which is indicative of a phishing or malware distribution attempt. The document body, though partially corrupted, includes the same URL and a title suggesting a lure. The presence of a malicious redirector link strongly suggests the intent is to direct the user to a harmful site.

Heuristics 2

  • 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.
  • 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=research+the+well+of+sorrows
    • https://static.usrfiles.com/ugd/b8c837_b888492a9d5241b69919aff05329a733.pdf
    • https://static.usrfiles.com/ugd/b8c837_588d24831d0d4f7ca37ccbc5fb22e7ae.pdf
    • https://static.usrfiles.com/ugd/b98abb_f0752c2f4551424eb447a3c3b7740b27.pdf
    • https://static.usrfiles.com/ugd/b8c837_980b12c992d045dd88b3a584bd450ddb.pdf
    • https://cdn.shopify.com/s/files/1/0438/5318/5174/files/lewewekarawilomi.pdf
    • https://cdn.shopify.com/s/files/1/0431/4356/1376/files/34627204590.pdf
    • https://cdn.shopify.com/s/files/1/0427/6381/3020/files/31765130190.pdf
    • https://cdn.shopify.com/s/files/1/0450/3601/1678/files/miffed_crossword_answer.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_off0000faaf.bin
8386aff711654980d3796970f0e37e4a643bf46a962cee930e7c160a303e53d0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFAAF 5068 bytes
font_01_sfnt_off00010bf5.bin
98ab6aceef6aae221acc579dde18f7eef97c78af105076f83a15111219619208		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10BF5 12392 bytes

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