Malicious PDF — malware analysis report

Static analysis result for SHA-256 8311f9f083a4e0cc…

MALICIOUS

PDF

113.0 KB Authoring application: Skia/PDF m150 Google Docs Renderer First seen: 2026-05-23
MD5: 159e94a0d41aca52ab2078f282d12d47 SHA-1: 0e5b5951cee90d08e6c2decb81ed24989e74bcd2 SHA-256: 8311f9f083a4e0ccd1af6bae98af99a9e222b661b919b89954d52b70c3fc3288
60 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0001

Heuristics 1

  • 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.
🗂 Part of campaign: shared payload fa790acd85 90 samples

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_005_off0000fd47.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xFD47 146640 bytes
SHA-256: b09dd695d1b0397a554e1262993fd5330da1f9c5dc52b74851eb47b63e65c32c
font_01_sfnt_off00019291.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19291 43708 bytes
SHA-256: f3f77ff188bf0b99a3ba73fc5e97b674673d331775b787bd50108b07f979f9d5
font_02_sfnt_off00019ec8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19EC8 217020 bytes
SHA-256: fa790acd85c5f2dd82c32029e23bb53427a55a09ac3bd416e6d869759fa35834

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