PDF static analysis report

Static analysis result for SHA-256 1c2d222ca16ffcb3…

SUSPICIOUS

PDF

52.5 KB Created: 2021-06-08 00:35:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 823ffff96efa59936f013dc9312cfc04 SHA-1: dfdf1ed12dc61cb886de25f9fe68216452c2f470 SHA-256: 1c2d222ca16ffcb306e034f9e9133d06a26ada18ea06b7b80b24efdd8cc3afbe
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs and a prominent external URI pointing to sites offering game-related cheats and free items, suggesting a lure for users to download potentially malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the presence of numerous suspicious URLs and the document's theme strongly indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9657

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/redeem-robux-codes-free-game-hack PDF link annotation
    • http://zercalo.org/images/coin-master-free-spins-april-2021_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/roblox-free-no-download-unblocked_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/www-free-robux_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/wurst-hacked-client_GM479516143.pdfIn PDF document text
    • http://zercalo.org/images/get-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/how-to-change-your-roblox-username-for-free-2021_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-free-cards_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/is-coin-master-hacks-safe_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/minecraft-free-online-games_GM479516143.pdfIn PDF document text
    • http://zercalo.org/images/free-views-on-tiktok_GM835599320.pdfIn PDF document text
    • http://zercalo.org/images/can-i-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/add-robux_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/easy-robux_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/tiktok-free-upload_GM835599320.pdfIn PDF document text
    • http://zercalo.org/images/how-to-scam-on-roblox_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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004fcd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4FCD 27436 bytes
SHA-256: 7ce6e82754af0a44cdc1bb3c9a2ab277c9f561c67dbb1731584822707a8f174d
font_01_sfnt_off0000902b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x902B 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00009a11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A11 6636 bytes
SHA-256: 62075f0fe13502d46afb6e55e83d440c29ef4988399537df1f86e7653ce3b744
font_03_sfnt_off0000aa1e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA1E 18448 bytes
SHA-256: ac266be7d5c29eac506d32c2c8cdbde42434b1e8d3ba3893aaf5e7fdee77f4ba

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