Malicious PDF — malware analysis report

Static analysis result for SHA-256 aae16e0e278ac25a…

MALICIOUS

PDF

63.3 KB Created: 2020-08-29 20:44:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7a8b192bac51622a831c86ef627973e4 SHA-1: dfe77c5258c0cb67953a847db2b78faecab5f3c5 SHA-256: aae16e0e278ac25a82a1499283a81c5675d9abd1cff94a75524043dc9e61298e
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, a technique often used to create link farms for SEO manipulation or to redirect users to malicious sites. One of the primary embedded URLs, 'https://ttraff.cc/wix?keyword=1st+gen+tacoma+manual+locking+hubs', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, reinforcing its role in the attack.

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.cc/wix?keyword=1st+gen+tacoma+manual+locking+hubs
    • https://cdn.shopify.com/s/files/1/0432/7692/7141/files/babepegiveze.pdf
    • https://cdn.shopify.com/s/files/1/0435/7321/5387/files/tm_yeni_izgi_film_porno.pdf
    • https://cdn.shopify.com/s/files/1/0431/4529/8074/files/patellofemoral_knee_pain_exercises.pdf
    • https://cdn.shopify.com/s/files/1/0433/8014/6334/files/78484656940.pdf
    • https://cdn.shopify.com/s/files/1/0433/0032/3478/files/98297633964.pdf
    • https://cdn.shopify.com/s/files/1/0431/4519/9777/files/46390483853.pdf
    • https://cdn.shopify.com/s/files/1/0430/7202/8823/files/gudavu.pdf
    • https://cdn.shopify.com/s/files/1/0431/5214/6587/files/28693991625.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kilezibuvi.pdf
    • https://cdn.shopify.com/s/files/1/0438/1235/6253/files/the_scarlet_letter_questions_and_answers.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tefabojukiva.pdf
    • https://cdn.shopify.com/s/files/1/0432/2584/1819/files/puwatoxutorosilegil.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ac15.bin
f7dd50ae7ff891f3dd06b148e5ac50a2f5e8886e641a2910befdf262949096ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAC15 5160 bytes
font_01_sfnt_off0000bd7a.bin
ea015b5d8a444ec03e2bfaa1e4d3a7b4de53e094c660e9f615d7d8a5ed908553		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBD7A 10684 bytes
font_02_sfnt_off0000e20d.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE20D 4324 bytes

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