Malicious PDF — malware analysis report

Static analysis result for SHA-256 428690d2ea80eb51…

MALICIOUS

PDF

422.6 KB Authoring application: Skia/PDF m150 Google Docs Renderer First seen: 2026-05-20
MD5: 41ec4382d6ec9d031a5a6f326dc85a20 SHA-1: 6261661df797c78a8734ef8d58add612a6c22d51 SHA-256: 428690d2ea80eb51a283317d6f1babac73dad1873b923521456e23696148cd31
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 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_033_off0004b5e2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B5E2 18240 bytes
SHA-256: 33e060654ed1208fc726f2323a8a9e7d9de6f6c8c2aedd340c7ed605b422fc95
stream_042_off0004f0d1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F0D1 153576 bytes
SHA-256: eb2b5ccfedfa22e2beb781f59dbf539b91eca20998faa231612fe955d048ec56
font_00_sfnt_off0003f06c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3F06C 25196 bytes
SHA-256: 61b1aec87003cb8f249e7d9bde807902b4e6905f2cb545be54d163edd077484a
font_01_sfnt_off0004e807.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E807 13456 bytes
SHA-256: 4237c764fe58c7ff59a38f0ba44f8db96f3a0483616945b7bef44aa3a8a5d7b4
font_03_sfnt_off00058899.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58899 219720 bytes
SHA-256: a81433ddd1b3f1b37b465f33ae155d5b9559eb52c40357ec634d5e9662212541
font_04_sfnt_off0006831d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6831D 29104 bytes
SHA-256: f5b5feadffca8b59a85af21283be1b3c443b2a3aa5123d66f223ba27bf0c0953

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