Malicious PDF — malware analysis report

Static analysis result for SHA-256 639ac977962893cc…

MALICIOUS

PDF

524.3 KB Authoring application: Skia/PDF m150 Google Docs Renderer First seen: 2026-05-24
MD5: 568e0408644124ab005f38eeab4c8047 SHA-1: 30eccd0f95c4b1bcbc96daba174eceb0472325f8 SHA-256: 639ac977962893cc36e05fb11f3b7ab18cc93349b12a6b18def68d3f8020b45d
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: volaris.com 813 samples

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 8

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_018_off00037ef1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x37EF1 150872 bytes
SHA-256: 493af4a99fdb6f48b5c30ff67a1ad73dac105905289a6f67b91e35ce4dbfa10e
stream_088_off0006a429.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x6A429 18240 bytes
SHA-256: 33e060654ed1208fc726f2323a8a9e7d9de6f6c8c2aedd340c7ed605b422fc95
stream_126_off0007cb9b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x7CB9B 18240 bytes
SHA-256: a2c05697b5e85ae44c5ebbd7043315fd0deb6c369eb3c21604d8d63feb3c8170
font_00_sfnt_off00032ca7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32CA7 26756 bytes
SHA-256: c65480c90d2c95a7620c44929760ab76d6f8014a6acbf4b9fc05af51c1b4b580
font_01_sfnt_off00036d5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36D5E 188440 bytes
SHA-256: 16d4bf5de7d6edbc9301e34bd5cc3ab181c9f99611893c80c28ab63f403d1d84
font_03_sfnt_off00040da8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x40DA8 27964 bytes
SHA-256: e20a3c92b5204350016362e510bbe4f36aff5cb1bd2395328f9e0846ea6ec5d3
font_04_sfnt_off0004416c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4416C 57040 bytes
SHA-256: 932afc4da525f7c251ca1592f344459cbafe78b7d576e9a9c5a0587060236d4a
font_05_sfnt_off0007e993.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E993 6096 bytes
SHA-256: 03c02e05377f87b7ffcfeecda6ee9d693b22f57d196f7e92f5eec09b0c4d8096

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