Malicious PDF — malware analysis report

Static analysis result for SHA-256 68d719b0789311cc…

MALICIOUS

PDF

33.2 KB Created: 2021-07-01 20:07:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 4573ebd433b4fe4738d39299522eac62 SHA-1: a9cb1e83cf4135f7f823964a8412bf0108136350 SHA-256: 68d719b0789311cc6ccc60b5e9c986989cc953ecddfac635495f273fced3ae0f
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a lure related to game hacks and generators, directing users to a suspicious URL. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs and a download button lure reinforces the malicious intent. The primary goal appears to be redirecting users to potentially harmful content or initiating a download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 5

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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.co/app/479516143/minecraft-hacker-mask-game-hack PDF link annotation
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/coin-master-collect-today-free-spin_GM406889139.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/coin-master-fan-page_GM406889139.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/coin-master-free-coins-and-spins-app_GM406889139.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/coin-master-hacks-no-verification_GM406889139.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/minecraft-free-download-unblocked_GM479516143.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/hacked-roblox-game_GM431946152.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/coin-master-hacks-for-free-spins_GM406889139.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/how-to-hack-any-roblox-account_GM431946152.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/coin-master-free-spins-hack-iphone_GM406889139.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/robux-earner_GM431946152.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/mcpe-hack-client_GM479516143.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/how-to-get-free-admin-in-roblox_GM431946152.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/how-to-hack-roblox_GM431946152.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/try-minecraft-free_GM479516143.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/bendy-shirt-roblox-free_GM431946152.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/how-to-get-minecoins-in-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/daily-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://terapivitalitasjogja.com/ckfinder/userfiles/files/coin-master-free-spins-link-blogspot-2021_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_off0000306e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x306E 21692 bytes
SHA-256: 280a5f5527e9505057c13bf40f2e4122c9bc216df5f259cec4fba5183038f8b2
font_01_sfnt_off0000601b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x601B 18024 bytes
SHA-256: 1c9d96dc2872e32a417b1efa44fe2d308041ce7ded0f789352e35eeb38f40ed7

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