PDF static analysis report

Static analysis result for SHA-256 1a7404170ffa8ca6…

SUSPICIOUS

PDF

35.2 KB Created: 2021-07-05 09:56:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 049b43dc2441db1478ab842113ad3177 SHA-1: 11a484f728e150d8afa24dd0893c98d52b279edb SHA-256: 1a7404170ffa8ca626a30369935441b7226edc42ab10de97f8ee84c2452ab722
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a prominent external URI pointing to a site offering free in-game items, strongly suggesting a lure for users to download potentially malicious content. The ML classifier also flagged this PDF with high confidence. While no scripts were explicitly extracted, the presence of embedded URLs and the document's theme indicate an attempt to trick users into visiting malicious sites, likely as part of a phishing or malware distribution campaign.

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/479516143/how-to-get-minecraft-for-free-on-chromebook-game-hack PDF link annotation
    • https://www.astrospace.com.tw/upload/files/roebucks-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/hackear-juego-coin-master-espaol_GM406889139.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/best-free-minecraft-servers_GM479516143.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/slaying-simulator-cheats-roblox_GM431946152.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/free-robux-hack-2021-pc_GM431946152.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/robux-free-com_GM431946152.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/earn-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/hack-coin-master-game-apk-download_GM406889139.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/free-coins-and-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/roblox-games-minecraft-free_GM431946152.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/roblox-uno-script-hack_GM431946152.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/roblox-btools-cheat-tables_GM431946152.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/earn-free-robux-for-roblox-robloxwin_GM431946152.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/how-to-get-money-in-roblox-cheat-engine_GM431946152.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/roblox-hack-executor_GM431946152.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/free-robux-not-fake_GM431946152.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/how-to-get-free-robux-codes_GM431946152.pdfIn PDF document text
    • https://www.astrospace.com.tw/upload/files/coin-master-free-spins-hack-apk-download_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33B1 22420 bytes
SHA-256: 3d1a2b8cad38f00dca3a43e6376427d84158cc5e259069ccf11f6a0a60eba8bb
font_01_sfnt_off00006553.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6553 18916 bytes
SHA-256: a6c15671334e5340958c859e9ef76faa3bd94e6af761e25462b4f2cfb72507dc