Malicious PDF — malware analysis report

Static analysis result for SHA-256 2bd50fd4ba58aa3a…

MALICIOUS

PDF

34.8 KB Created: 2020-08-31 01:46:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5fbbc3a8012ab2d9f36ba5d93165af97 SHA-1: 13e3b1dc04b7d82a2bc4cc1ded2547cc82e2af26 SHA-256: 2bd50fd4ba58aa3ae1d05a61573487fef5c7be5e1aaece41a623bce7673d8698
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector (ttraff.com). The document body, though heavily obfuscated, appears to contain text related to a song title, likely a lure to encourage clicks. The presence of a link farm further suggests an attempt to distribute malicious content or conduct phishing.

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/wix?keyword=romeo+mp3+by+lucky+dube
    • https://cdn.shopify.com/s/files/1/0431/9461/3924/files/advanced_life_support_2017_malaysia.pdf
    • https://cdn.shopify.com/s/files/1/0428/4992/7327/files/gibuwawita.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fadanamimurusekebunom.pdf
    • https://cdn.shopify.com/s/files/1/0431/9612/1248/files/purchasing_and_supply_chain_management_notes.pdf
    • https://cdn.shopify.com/s/files/1/0432/0270/7616/files/whitefly_bemisia_tabaci.pdf
    • https://cdn.shopify.com/s/files/1/0431/8488/1824/files/lobobime.pdf
    • https://cdn.shopify.com/s/files/1/0428/9812/9059/files/26268485183.pdf
    • https://cdn.shopify.com/s/files/1/0435/4542/8122/files/zolugojonukosul.pdf
    • https://cdn.shopify.com/s/files/1/0436/4104/5145/files/multiplication_table_2_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0446/6681/4617/files/regrouper_plusieurs_sur_mac.pdf
    • https://cdn.shopify.com/s/files/1/0434/5525/0598/files/33251061542.pdf
    • https://cdn.shopify.com/s/files/1/0431/9815/2866/files/97484561077.pdf
    • https://cdn.shopify.com/s/files/1/0461/7037/4307/files/basics_anesthesia_miller.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_off00004aa3.bin
e38f92414a6d2d270a42f5b89beb56d5fa9de37e72a5b3cde92cc52a3cb9e114		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4AA3 5212 bytes
font_01_sfnt_off00005c55.bin
536abd4219074bedeea3ac243cf357b289aeb64eeef6e4a289256ed89e02440d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C55 10084 bytes

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