Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb7fa3f14f7c66ca…

MALICIOUS

PDF

42.6 KB Created: 2020-09-17 09:36:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ffb4411921563e30c7363a817577ec4 SHA-1: a71c2b6599161612a6197c3b01895003f9aee8d7 SHA-256: bb7fa3f14f7c66ca0bbae47313300c73fa856034d6ea511bf7ecd26f928ff35e
120 Risk Score

Malware Insights

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

The PDF document contains a heuristic firing for a malicious redirector link and a link farm, indicating an attempt to direct users to external malicious content. The embedded URL 'https://ttraff.me/wix?keyword=miguel+leon+tyson+net+worth' is flagged as malicious. The document body also contains numerous links to PDFs hosted on cdn.shopify.com and other domains, suggesting a link farm or SEO poisoning tactic.

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=miguel+leon+tyson+net+worth
    • http://files.timothyprice.net/uploads/1/3/1/1/131163578/nesojuzowi.pdf
    • http://mebamuret.fossilfit.net/uploads/1/3/1/4/131437615/3042242.pdf
    • https://cdn.shopify.com/s/files/1/0430/8166/2628/files/18121178187.pdf
    • https://cdn.shopify.com/s/files/1/0463/5607/0566/files/nogotitubabivutobezij.pdf
    • https://cdn.shopify.com/s/files/1/0433/9027/1638/files/81670436160.pdf
    • https://cdn.shopify.com/s/files/1/0483/4639/8870/files/64407331232.pdf
    • https://cdn.shopify.com/s/files/1/0437/7575/4389/files/cosmos_carl_sagan_romana.pdf
    • https://cdn.shopify.com/s/files/1/0430/4230/8250/files/5348949084.pdf
    • https://cdn.shopify.com/s/files/1/0428/0667/3574/files/early_indian_civilization_was_centered_around_what_rivers.pdf
    • https://cdn.shopify.com/s/files/1/0433/8132/5980/files/75370016353.pdf
    • https://cdn.shopify.com/s/files/1/0433/2745/5387/files/western_blot_principle.pdf
    • https://cdn.shopify.com/s/files/1/0433/2837/2886/files/jabra_evolve_75_quick_start_guide.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_off0000699d.bin
dae1df32f70aa29236526bed8ccd0e633ea7d1503fdf965d8d840534f8150d17		 pdf-font-stream PDF embedded font (sfnt) at offset 0x699D 4936 bytes
font_01_sfnt_off00007a88.bin
81658c234ae0b48b6dbc6c167e97acba21ee58c6bfd6872d0fdeeff5c9b382b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A88 10364 bytes

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