Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0dacdbd461e4f1e…

MALICIOUS

PDF

37.1 KB Created: 2020-08-15 02:26:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: dc7897b2a1c79ea33e92211532117692 SHA-1: 3dd8dd85cf11ac7449350b947e202d40e6e8aef6 SHA-256: f0dacdbd461e4f1e14f2cc20478c30e6ffdda4f147abe7af8606e906ec7702a0
128 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 critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on 'cdn.shopify.com'. The presence of a 'download button' lure and the embedded malicious URL suggest a phishing or social engineering attack aimed at redirecting the user to malicious infrastructure.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/pify?keyword=sustainability+reporting+in+the+apparel+industry
    • http://monuwe.bullockscience.com/uploads/1/3/1/1/131164291/719393.pdf
    • http://gesasi.fellowshipbaptistch.net/uploads/1/3/2/3/132303382/1546938.pdf
    • http://files.sawtoothmountaincider.com/uploads/1/3/1/4/131437878/xikoxi_taduwuto.pdf
    • http://files.juliancooper.com/uploads/1/3/1/4/131437636/8317446.pdf
    • http://dulegem.iconiumbackpacker.com/uploads/1/3/1/6/131606407/2275511.pdf
    • https://cdn.shopify.com/s/files/1/0435/9503/8877/files/jaberamegajoneliwaga.pdf
    • https://cdn.shopify.com/s/files/1/0435/7931/0239/files/3594477145.pdf
    • https://cdn.shopify.com/s/files/1/0440/0663/7726/files/romazicon_davis.pdf
    • https://cdn.shopify.com/s/files/1/0430/6305/0394/files/is_e_x_even_or_odd.pdf
    • https://cdn.shopify.com/s/files/1/0432/0703/2990/files/zifaduw.pdf
    • https://cdn.shopify.com/s/files/1/0435/2675/0362/files/xabarofuloferazede.pdf
    • https://cdn.shopify.com/s/files/1/0434/3077/2892/files/14214912628.pdf
    • https://cdn.shopify.com/s/files/1/0432/0110/1985/files/mefilowe.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_off000044f6.bin
4337838b713ad30ccc0cfeaf8e144bd2f7794fa10c4bd4bf83a42ecaf0f922a2
pdf-font-stream PDF embedded font (sfnt) at offset 0x44F6 5448 bytes
font_01_sfnt_off00005760.bin
693e5ef8e0d7d27625060349d6c2192f6f508b36b1ce9221084256c1bd24f913
pdf-font-stream PDF embedded font (sfnt) at offset 0x5760 10016 bytes
font_02_sfnt_off0000795e.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361
pdf-font-stream PDF embedded font (sfnt) at offset 0x795E 4324 bytes