Malicious PDF — malware analysis report

Static analysis result for SHA-256 59e19792fa23d43d…

MALICIOUS

PDF

60.5 KB Created: 2020-09-06 11:45:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ccc2ec7d3bf7e82a57f5aa406fd90a1c SHA-1: 9b760696bf15fea28e166051d60a79fbde9b5069 SHA-256: 59e19792fa23d43d32b13d4b4a3f307879b04244a5ade83a1f37bdce7e6e8752
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link farm and a malicious redirector link pointing to 'ttraff.me'. This suggests a phishing or social engineering attack aiming to redirect users to malicious content. The presence of a visual download button further supports this social engineering pretext. No scripts were extracted, limiting the analysis of direct payload execution.

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.me/wix?keyword=grand+chase+zero+guide+pve
    • https://static.usrfiles.com/ugd/516793_e154cac9051a4723abb35c098eccc9b0.pdf
    • https://static.usrfiles.com/ugd/7f46b5_10a5b15ee6e04506990900ed2564e13b.pdf
    • https://static.usrfiles.com/ugd/e80f4c_49d05f83c03549c481f7fc4db91ddd17.pdf
    • https://static.usrfiles.com/ugd/f967ac_af08fefd37b841c5b27d6e1b655ced51.pdf
    • https://static.usrfiles.com/ugd/b8c837_7aefd942af7945398a92b6381d1191bc.pdf
    • https://static.usrfiles.com/ugd/e1a791_5b130b35398e4ccd87c202b19ccdba2f.pdf
    • https://static.usrfiles.com/ugd/185c00_d369a461324c43b8aed271a8009eaa23.pdf
    • https://static.usrfiles.com/ugd/1849a1_b83d213e65fd4c32b427d6d98fc36998.pdf
    • https://static.usrfiles.com/ugd/a0d21a_419e7f4873264bce974bf8b844921f0d.pdf
    • https://static.usrfiles.com/ugd/76b6de_ea61b0423f5d4412875d99693f03a616.pdf
    • https://static.usrfiles.com/ugd/37321e_c08206d4055d4f4493fec68964f00cc0.pdf
    • https://static.usrfiles.com/ugd/850f07_e05ae706f1b0464f9f706d8e676eeb1e.pdf
    • https://static.usrfiles.com/ugd/8c2e83_59e14655878b4a46923ef03cbec8aec0.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_off0000a35e.bin
fa2ddfb4917fb785c3b751527ab9b3687a145a8451464e7e4194bf3703796aef		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA35E 5444 bytes
font_01_sfnt_off0000b5f0.bin
5ff93cabc8bcd37f2efc2f6b410edc9e33f1fa114993a7d6ec68061350ad1cfa		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB5F0 15032 bytes

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