Malicious PDF — malware analysis report

Static analysis result for SHA-256 f71c9e6dc5aed79d…

MALICIOUS

PDF

47.6 KB Created: 2020-09-03 11:50:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 770ebfefaad8aa1a09fada337d4d2a03 SHA-1: 478f0d57a41aba69e91b8c212b2b0c7c47923153 SHA-256: f71c9e6dc5aed79dabe64605dd5c3f193124f56497bd7cc48a9592721d78831e
120 Risk Score

Malware Insights

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

The PDF file contains a link farm designed to redirect users to malicious infrastructure, specifically to 'https://ttraff.me/wix?keyword=macos+10.+15+catalina+beta'. The document body, though heavily obfuscated, also contains this URL, suggesting a social engineering lure related to macOS. The presence of multiple embedded PDFs and a redirector link indicates a phishing or malware distribution 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.me/wix?keyword=macos+10.+15+catalina+beta
    • https://cdn.shopify.com/s/files/1/0430/5109/0077/files/8430163173.pdf
    • https://cdn.shopify.com/s/files/1/0435/8068/6497/files/gemeviluvabol.pdf
    • https://cdn.shopify.com/s/files/1/0428/0100/4707/files/birkat_hamazon_sefarad.pdf
    • https://static.usrfiles.com/ugd/007d40_3a840820caf34a6d96dd7c567e987350.pdf
    • https://static.usrfiles.com/ugd/26938b_826a9d562b1c4a029eaf4a9a820b2b8a.pdf
    • https://static.usrfiles.com/ugd/b8c837_8d82c79d688e4fb28c8073b1860b3c42.pdf
    • https://static.usrfiles.com/ugd/16a96a_7d6c81fc4e544d15b77a9f6f280548f2.pdf
    • https://static.usrfiles.com/ugd/b8c837_623b77815142466584cc69fe5b4dead3.pdf
    • https://static.usrfiles.com/ugd/08e331_8b520becb8b443689b96d8018bf8c629.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_off00007c0a.bin
0e282c8a5c35c2e3558c170ef29319d0778338ef2443fbfdac63273cbc1162fe
pdf-font-stream PDF embedded font (sfnt) at offset 0x7C0A 5192 bytes
font_01_sfnt_off00008ddf.bin
c5ead4928bd712bbc18bc296143b822db84439950ba1944ad434a52f427f0422
pdf-font-stream PDF embedded font (sfnt) at offset 0x8DDF 10636 bytes