Malicious PDF — malware analysis report

Static analysis result for SHA-256 88dbcebe788eef36…

MALICIOUS

PDF

46.0 KB Created: 2021-06-09 16:14:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 466335826ec4a2389b5b8d11c0a3e2bc SHA-1: 131066f12512a9a6c35e652c2d29cb2433d33e1a SHA-256: 88dbcebe788eef36abfa32b3456243d12aa69abad80128b77a31d2641d46a285
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The document presents a fake CAPTCHA or human verification prompt to deceive the user into interacting with the content, likely to initiate a download. The embedded URL points to a resource that may serve as a lure for game-related cheats or hacks, a common social engineering tactic. The ML classifier strongly indicates malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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/where-do-you-put-cheats-codes-in-roblox-game-hack PDF link annotation
    • http://anna-art.in.ua/images/free-tiktok-followers-no-verification-or-survey_GM835599320.pdfIn PDF document text
    • http://anna-art.in.ua/images/coin-master-hack-2021-link_GM406889139.pdfIn PDF document text
    • http://anna-art.in.ua/images/minecraft-xray-hack_GM479516143.pdfIn PDF document text
    • http://anna-art.in.ua/images/minecraft-dungeons-free_GM479516143.pdfIn PDF document text
    • http://anna-art.in.ua/images/apps-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://anna-art.in.ua/images/coin-master-hack-no-verify_GM406889139.pdfIn PDF document text
    • http://anna-art.in.ua/images/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://anna-art.in.ua/images/how-to-get-free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • http://anna-art.in.ua/images/likes-for-tiktok-free_GM835599320.pdfIn PDF document text
    • http://anna-art.in.ua/images/pokemon-go-free-or-armored-mewtwo_GM1094591345.pdfIn PDF document text
    • http://anna-art.in.ua/images/coin-master-card-hack_GM406889139.pdfIn PDF document text
    • http://anna-art.in.ua/images/free-minecraft-bedrock-server_GM479516143.pdfIn PDF document text
    • http://anna-art.in.ua/images/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://anna-art.in.ua/images/free-spins-coin-master-2021-today_GM406889139.pdfIn PDF document text
    • http://anna-art.in.ua/images/free-flip-master-coins_GM406889139.pdfIn PDF document text
    • http://anna-art.in.ua/images/how-to-get-free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • http://anna-art.in.ua/images/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
    • http://anna-art.in.ua/images/200-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://anna-art.in.ua/images/free-tiktok-bots_GM835599320.pdfIn PDF document text
    • http://anna-art.in.ua/images/spin-and-coin_GM406889139.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_004_off00004ecb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4ECB 27808 bytes
SHA-256: 301a877c76062e7f693aee4c2b8714fcdc25cf6505f94bf405fd7d2edfbb58f9
font_01_sfnt_off00008e49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E49 19276 bytes
SHA-256: c0a733db7a8db65fd725a46cc1c89125f4180033089a97041ae1565244b1ef0d

Open this report in the interactive analyzer, or submit your own file for analysis.