Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9e90b4603416fd8…

MALICIOUS

PDF

277.5 KB Authoring application: Skia/PDF m150 Google Docs Renderer First seen: 2026-05-19
MD5: aa0c2d86b2f6dbf8ac4638e05b3f20d9 SHA-1: 3b102dd4e0b4f8be7c9b15c2e34d4882f370bbf8 SHA-256: f9e90b4603416fd89124da8c9b6ce6a2698235be54809981c7566e4611505a9a
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: shared payload 9191b0e4cd 20 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_014_off00023d17.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x23D17 149612 bytes
SHA-256: 9191b0e4cda48a2448b402657318b520c532522c5efc1d0e378a5386d3c1462d
font_01_sfnt_off00034604.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34604 220192 bytes
SHA-256: 916bac5003c0d664f8573a3542a6e2e312f91941748641c5211fbf19ac5dd68d
font_02_sfnt_off000356e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x356E8 51960 bytes
SHA-256: 10d5a026135e644b2cf1e05c67708a8f2de3a22d5088acded7913ac5a6c9274f
font_03_sfnt_off00036c8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36C8B 47796 bytes
SHA-256: e63a51dfd52b6a8c3166c59ef4814eb245c5181b09637107ec97ab4eb48e1cf5
font_04_sfnt_off000440ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x440CE 17272 bytes
SHA-256: 2e43a4083ec8d0f0efbeffa93fd97b66f568ddcadd32a9075f54d856dcebd319

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