Malicious PDF — malware analysis report

Static analysis result for SHA-256 90646db3850821f1…

MALICIOUS

PDF

34.2 KB Created: 2020-08-22 21:58:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ab09ffcae89862d8f816126313f2030 SHA-1: 0c483da774fdd2bd565a019f4ff1940a382bd5c9 SHA-256: 90646db3850821f1cbb2f3cfeeb0343f5ff6f10d2388c7bad499f659890bbdfa
120 Risk Score

Malware Insights

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

The PDF file contains a link farm with numerous embedded URLs, including a critical finding of a malicious redirector. The primary malicious URL identified is https://ttraff.com/pify?keyword=asterix+obelix+mission+cleopatra+movie, which is likely used to direct users to further malicious content. The document body, though heavily obfuscated, contains references to this URL and other PDF files hosted on Shopify, suggesting a coordinated effort to distribute malicious links.

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=asterix+obelix+mission+cleopatra+movie
    • http://sijixa.rtrueman.com/uploads/1/3/0/7/130775455/legisavesi.pdf
    • https://cdn.shopify.com/s/files/1/0430/7727/1716/files/26595093132.pdf
    • https://cdn.shopify.com/s/files/1/0435/3048/5912/files/41090458036.pdf
    • https://cdn.shopify.com/s/files/1/0434/2205/6600/files/kelsi_monroe_abella_danger.pdf
    • https://cdn.shopify.com/s/files/1/0431/2976/6039/files/57366004111.pdf
    • https://cdn.shopify.com/s/files/1/0436/9963/4326/files/35531621880.pdf
    • https://cdn.shopify.com/s/files/1/0434/5554/5497/files/mubikenavule.pdf
    • https://cdn.shopify.com/s/files/1/0432/5189/2381/files/siwunorerejogoxolonekig.pdf
    • https://cdn.shopify.com/s/files/1/0439/4539/4331/files/1340338442.pdf
    • https://cdn.shopify.com/s/files/1/0431/5509/5708/files/devotakuvukarinot.pdf
    • https://cdn.shopify.com/s/files/1/0437/3987/3429/files/chiraq_meek_mill_lyrics.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_off000045bc.bin
3d7141f938af1d98e4b1cb457ee39af1a2d277b5142ee09ad9e7b6a9fc2ad5ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x45BC 5336 bytes
font_01_sfnt_off000057c9.bin
3a2e4e690f4f05f3dac4c1c7a6ff0777d412199ae080df2edbf14667fda877c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57C9 10640 bytes

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