Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc31fb39ed9a31e8…

MALICIOUS

PDF

267.6 KB Authoring application: Skia/PDF m150 Google Docs Renderer First seen: 2026-05-20
MD5: 98ca1626ff9eccc866f0a25795ba602a SHA-1: 68701920392cbecffa54e78f934c5628c32932bf SHA-256: cc31fb39ed9a31e8005a98739817a73ecdf25039aed6c8b3b520fb066b3e5c75
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_019_off0002eefa.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2EEFA 151920 bytes
SHA-256: 435c9bbd4376d4e3fa8756c7a0dcfadc2b6c006da505649aef8880848a4ab077
font_00_sfnt_off0002d6a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D6A3 217192 bytes
SHA-256: ce7bc35b7c7996fcde4d21a6d5c57529790ffbba4bf041e52f21f8ad11bb865b
font_01_sfnt_off0002e508.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E508 28648 bytes
SHA-256: 802e4082079eeda0e06a5a32776f4654ec58de6653383537d7d9d4856feca066
font_03_sfnt_off00039a80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39A80 10772 bytes
SHA-256: a38386d235cb8fde479c073bbabeeb44e7f5c480001fd3def913e27b42b7ec0a
font_04_sfnt_off0003f397.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3F397 1304 bytes
SHA-256: cbfa16375d287df96228bb989136541e05983183430ce318396dbd9f24e17c32

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