Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a77c3ef1d70986b…

MALICIOUS

PDF

181.7 KB Authoring application: Skia/PDF m150 Google Docs Renderer First seen: 2026-05-22
MD5: 71a1778dbd640fc6e0a7adf75e0b454a SHA-1: f5e39fc7e5722aaad10743b9b78e651b06cdb6c6 SHA-256: 3a77c3ef1d70986be34cdfc442a8293c237d9da5f1be7ce85abb175e8fead11c
80 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0001

Heuristics 2

  • Travel-support phone-number stuffing scam critical SE_TRAVEL_SUPPORT_PHONE_SCAM
    Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
  • 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. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
🗂 Part of campaign: volaris.com 813 samples

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_010_off0001d62e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1D62E 148964 bytes
SHA-256: cf729103609710de9dec8665795ae658b625f3bfd4db562f429498ffeff51037
font_00_sfnt_off0001c2cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1C2CF 221132 bytes
SHA-256: a5f2b868635b4e3f95f9f4f925e72fffa103b3ec5f7653a37233e82535f77874
font_02_sfnt_off00027446.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x27446 50116 bytes
SHA-256: 032ae2ab71c2101c1dd9a5ef2b6d5f50ff8fc638667034d828bae35dc36450f5
font_03_sfnt_off0002831a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2831A 47796 bytes
SHA-256: e63a51dfd52b6a8c3166c59ef4814eb245c5181b09637107ec97ab4eb48e1cf5
font_04_sfnt_off0002bc43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC43 6096 bytes
SHA-256: 03c02e05377f87b7ffcfeecda6ee9d693b22f57d196f7e92f5eec09b0c4d8096

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