Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c58e24f9f454aa4…

MALICIOUS

PDF

44.0 KB Created: 2020-08-17 03:26:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6e7f983489b2a37d399e4bff703ce7c0 SHA-1: 6b44b968b1bf9fde6abb4ca2cdea909eb517d2a0 SHA-256: 9c58e24f9f454aa449209cfc49932a348a21f1461a186af12e3e5d1e2a83972b
140 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 Command and Scripting Interpreter: PowerShell

The PDF contains a link disguised as a job description, which redirects to a malicious URL (ttraff.cc). This is consistent with a phishing or scam lure. The document also contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm or SEO manipulation tactic to host malicious content. The presence of a callback lure further supports a phishing or social engineering attack pattern.

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/pify?keyword=key+account+manager+job+description+template
    • http://xujonigex.mrskatiabendek.com/uploads/1/3/2/6/132680813/4a0262616edf1.pdf
    • https://cdn.shopify.com/s/files/1/0432/9000/1572/files/piwuvugaxiterizexuf.pdf
    • https://cdn.shopify.com/s/files/1/0441/3181/1480/files/89023688158.pdf
    • https://cdn.shopify.com/s/files/1/0435/9494/0573/files/libro_de_manualidades_con_reciclaje.pdf
    • https://cdn.shopify.com/s/files/1/0432/3888/3495/files/mysql_drop_column_if_exists.pdf
    • https://cdn.shopify.com/s/files/1/0433/3341/9166/files/harbor_freight_winch_mount.pdf
    • https://cdn.shopify.com/s/files/1/0441/3181/1480/files/92402354589.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98223768302.pdf
    • https://cdn.shopify.com/s/files/1/0431/0512/4516/files/11085069317.pdf
    • https://cdn.shopify.com/s/files/1/0432/0477/1999/files/74138200782.pdf
    • https://cdn.shopify.com/s/files/1/0428/0349/5071/files/26632849613.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_off00006cab.bin
1a996291142a4d0f315dcbff18cf8d058b65240bf91219b8463058850421ae23		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CAB 5680 bytes
font_01_sfnt_off00007ff4.bin
e8ead1b2def763d30c3e8d1dda209fdbf94ee920a411ec986ed5c53e18c75b02		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FF4 10404 bytes

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