Malicious PDF — malware analysis report

Static analysis result for SHA-256 232f09b26a081827…

MALICIOUS

PDF

60.4 KB Created: 2020-09-02 22:07:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 07e73d02b95bfbb1e73938750c28bc03 SHA-1: 8dd9a90b2197c15bc5bbf48ead39eeddccb3d582 SHA-256: 232f09b26a08182741aa4aaab654f0d1ed8b972e0c42b70610e53f7daa12296f
148 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a link farm, with numerous embedded URLs. The document body, though heavily obfuscated, contains the same malicious URL and references to other PDFs, suggesting a coordinated effort to drive traffic to potentially harmful sites. The presence of urgency and callback lures further supports a phishing or scamming intent.

Heuristics 5

  • 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
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=calefon+orbis+eurotrend+14+litros+manual
    • https://static.usrfiles.com/ugd/5438e3_9eb074e486b24925911bd32af4e05bdc.pdf
    • https://static.usrfiles.com/ugd/b1b16e_ebef55286a614e14a59e7110a73d4170.pdf
    • https://static.usrfiles.com/ugd/ed64d2_cc3a91eda42f4cb7bc46c1729d7528da.pdf
    • https://static.usrfiles.com/ugd/b4609a_57bd7e0642784a1496e93a1ed9000fbf.pdf
    • https://cdn.shopify.com/s/files/1/0429/0494/4807/files/challa_song_babbu_maan_mr_jatt.pdf
    • https://cdn.shopify.com/s/files/1/0436/8780/5081/files/xibajelofupufiborezipuliz.pdf
    • https://static.usrfiles.com/ugd/902d29_28ec08cc0c764f6db3cfd4a7904b5d90.pdf
    • https://static.usrfiles.com/ugd/95089d_e1ed49256d7141b3b41af02c8bc32142.pdf
    • https://cdn.shopify.com/s/files/1/0433/2978/1918/files/lumifuzid.pdf
    • https://cdn.shopify.com/s/files/1/0434/0452/5720/files/53181450697.pdf
    • https://cdn.shopify.com/s/files/1/0439/4795/0248/files/79611433123.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_off0000af4f.bin
33bc84c1450f8a496666455a6bcc05298c14e4dec86517f5ef764d18c315d279		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAF4F 5236 bytes
font_01_sfnt_off0000c10d.bin
c72f841acc640d67d9380c755d0ebc61880caf0df469afad392db5a9bc9c0106		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC10D 10644 bytes

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