Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2197c61040d84ea…

MALICIOUS

PDF

92.7 KB Created: 2020-09-13 16:00:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 03b7c519bffbf61bf16d918282be6321 SHA-1: 83042533fb6a8d5cb0d3e6f783e05387474d5f4a SHA-256: a2197c61040d84ea14c98d83d77e6c51dfde54bef795c4585a055cb207a51cdd
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector link. The embedded URL 'https://ttraff.link/wix?keyword=super+mario+bros+3+flash+data' is the primary indicator of malicious intent, likely serving as a lure for further malicious activity. The document body's obfuscated content and metadata suggest it is designed to mask the malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.link/wix?keyword=super+mario+bros+3+flash+data
    • http://kilozam.christianlorenzo.com/uploads/1/3/1/4/131482995/5783815.pdf
    • http://files.jerichoadaptstoys.org/uploads/1/3/0/8/130874587/9530682.pdf
    • http://witug.thelotuscollaborative.com/uploads/1/3/1/8/131856166/telususo-serifezetawud-berunatuf-megoxeborukev.pdf
    • http://files.sparkleboutique.us/uploads/1/3/2/7/132740700/nutajeso_lizigumigumevel_veziviwe.pdf
    • http://kevuruxa.eliasmiller.us/uploads/1/3/0/9/130969341/4308905.pdf
    • http://files.holisticapproachfdc.com/uploads/1/3/1/8/131872079/toxalikawazawax_devafabovivefa.pdf
    • http://wopadi.holistichealingacu.com/uploads/1/3/1/6/131606875/lemokuge_wavamogetevek.pdf
    • http://kibezixon.mzsacredhealing.com/uploads/1/3/1/4/131453872/5855726.pdf
    • https://static.usrfiles.com/ugd/fd4c29_50f6f4f9f1784b668b90a94e1618fef8.pdf
    • https://static.usrfiles.com/ugd/5262df_4a5965ff782b4ae199d5c33999124abe.pdf
    • https://static.usrfiles.com/ugd/a86d68_ab4b8ab148754f1c9f9544eeb5856c24.pdf
    • https://static.usrfiles.com/ugd/e3c460_0123eb39750b4ddcac8c1c1ad9210f2f.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_off0000c0ba.bin
a50bd57ceb2f302aad33bf2c48f153e2b507763aed098852399bcd1dda90ec8a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC0BA 33680 bytes
font_01_sfnt_off00012a08.bin
6ad1190b6cf1cdd3ade052ec206e058185cad179a1feb933461f6ac0eb359e59		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12A08 5688 bytes
font_02_sfnt_off00013d27.bin
133ed0aefc106cea1fe24d80c3149608c2373029a13a41267582c5b027ba78e4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13D27 11220 bytes

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