PDF static analysis report

Static analysis result for SHA-256 0a8ac8868821a0a7…

SUSPICIOUS

PDF

47.9 KB Created: 2021-06-10 20:45:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: aaa3a10b3a637829cd4775e6778bf562 SHA-1: 44a90442b68481de79e5ee9f94ea5e8346581d0b SHA-256: 0a8ac8868821a0a7bb75ca2cb76a3bb677367dd6d712860cff1e22c42644b1c6
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a heuristic firing for PDF_URI, indicating an attempt to redirect users to external sites. The document body, though partially garbled, suggests lures related to game hacks and free items, aligning with common phishing or malware distribution tactics. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

Heuristics 3

  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.tw/app/431946152/free-t-shirt-deacls-roblox-game-hack PDF link annotation
    • https://mountainholidaytreks.com/userfiles/files/robux-hack_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/como-hackear-dragon-ball-rage-roblox_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/best-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/minecraft-112-2-hacked-client_GM479516143.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/minecraft-free-download-chromebook_GM479516143.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/coin-master-free-in-app-purchases-jailbreak_GM406889139.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/websites-that-give-free-robux_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/free-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/minecraft-free-download-windows-10_GM479516143.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/roblox-arsenal-hack_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/tower-of-hell-roblox-hack_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/free-robux-pin-codes_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/roblox-adopt-me-free-pets_GM431946152.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/minecraft-modded-client_GM479516143.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/coin-master-game-free-play-online_GM406889139.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • https://mountainholidaytreks.com/userfiles/files/roblox-jailbreak-cheat-engine-hack_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

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_004_off00005087.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5087 26740 bytes
SHA-256: 0b87646b69f9c084fb1bbd0dd43f0fc50716d296d01ce4d3d106cc6a16027db6
font_01_sfnt_off00008d26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D26 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00009711.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9711 18736 bytes
SHA-256: 3a212bbd867b2c31d453616b3a799d7d0a91bd6d1d99e4847092720d651acd87

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