PDF static analysis report

Static analysis result for SHA-256 1a76006e3256eb4b…

SUSPICIOUS

PDF

35.6 KB Created: 2021-07-09 00:19:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: a4b79a3625529f753c2f2553a1659078 SHA-1: 3917b044d4d043552573427417a721ab485ddbdc SHA-256: 1a76006e3256eb4b00fddc38aee69e4393b55fc404e3f38d03233a1d7121e8ba
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains multiple embedded URLs and a heuristic firing for an external URI, all pointing to sites offering free in-game currency or hacks. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of numerous links suggests the document is designed to redirect users to potentially malicious websites for scams or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/406889139/haktuts-2021-coin-master-free-spin-link-game-hack PDF link annotation
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-real-2021_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-do-you-get-free-robux-on-a-samsung_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-royal-high-school-hack_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/robux-for-offers_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-no-downloading-apps_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-get-the-elite-radio-in-roblox-free_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-glitches-2021_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/hacks-roblox-jailbreak-mode_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/666-roblox-hack_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-ad_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-roblox-redeem-card-codes-2021_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-stuff-on-pc-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-and-limiteds-hack_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-get-free-clothes-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/get-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/pubg-uc-codashop_GM1330123889.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-yin-and-yang-ninja-assassin-cheats_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/minecraft-hacked-client-18_GM479516143.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000066d5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x66D5 18884 bytes
SHA-256: 7fbaae8c74c80ad8c6004c185d9f2f033924c4f14cdb292a6e337190a643b689
font_00_sfnt_off000033eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33EB 22760 bytes
SHA-256: 46410bc18c1046a0eb694cbed4e61f026306ad7d313b5556c6fbe8723273558a

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