Malicious PDF — malware analysis report

Static analysis result for SHA-256 46172cbd0f76fe06…

MALICIOUS

PDF

40.5 KB Created: 2020-08-31 13:30:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 61b8ef7c8dd15bb9cf4536d81b95584e SHA-1: 03072fce09d2fde3e071a273059024921b243649 SHA-256: 46172cbd0f76fe06201d5ab8bd68543d72e9024a3de522b34fbdb72cc7b5a96e
140 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'relic watches instructions' and the malicious URL. This suggests a phishing or scam attempt designed to redirect users to malicious content, potentially for credential harvesting or malware delivery.

Heuristics 4

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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=relic+watches+instructions
    • https://cdn.shopify.com/s/files/1/0438/3821/0205/files/20157383032.pdf
    • https://cdn.shopify.com/s/files/1/0433/3862/9275/files/cicloalcanos_definicion.pdf
    • https://cdn.shopify.com/s/files/1/0434/6776/7972/files/comets_vs_asteroids_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0431/2485/0842/files/75189409752.pdf
    • https://cdn.shopify.com/s/files/1/0431/7049/6672/files/money_banking_and_public_finance_in_telugu.pdf
    • https://cdn.shopify.com/s/files/1/0429/7634/6266/files/49983372536.pdf
    • https://cdn.shopify.com/s/files/1/0437/6225/3978/files/96969977788.pdf
    • https://cdn.shopify.com/s/files/1/0429/0668/1497/files/zosex.pdf
    • https://cdn.shopify.com/s/files/1/0431/9802/1793/files/ways_of_the_world_textbook_chapter_12.pdf
    • https://cdn.shopify.com/s/files/1/0435/8520/8483/files/hammerhead_gokart_parts.pdf
    • https://cdn.shopify.com/s/files/1/0436/9301/5195/files/27678059755.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gomejalubewetilukifij.pdf
    • https://static.usrfiles.com/ugd/b8c837_8afa378f9c414a4cad1c4fd2df8203d2.pdf
    • https://static.usrfiles.com/ugd/b8c837_a2ed33a746e141df92f4cf37ceee8fc8.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_off0000609c.bin
f3cd327024ecf39300d362246c55db97411798788b069eea381f10afcd6326bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x609C 4984 bytes
font_01_sfnt_off0000719a.bin
7f2f45621b891897aef212f0887580f3ad7764f186d6d6837553c12fca61a927		 pdf-font-stream PDF embedded font (sfnt) at offset 0x719A 10568 bytes

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