Malicious PDF — malware analysis report

Static analysis result for SHA-256 56db7f27bb8aab0e…

MALICIOUS

PDF

41.8 KB Created: 2021-05-18 04:56:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 12141b3b08148fe74aaa00fd84e9df42 SHA-1: 509db73ee181a9efe56194b9bedf4c385e454b4e SHA-256: 56db7f27bb8aab0e9db647faaaa371496118fa47dee0e626c1170bcddc62b19a
82 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs that lead to websites offering game hacks and generators, a common lure for phishing or malware distribution. The heuristic firings confirm the presence of these game hack lures and external URIs, indicating a malicious intent to redirect users to potentially harmful content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • 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.
  • 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.xyz/app/406889139/coin-master-cards-free-cards-game-hack PDF link annotation
    • http://ddsadler.net/images/coin-master-hack-tool-v1-9-download-free-pc_GM406889139.pdfIn PDF document text
    • http://ddsadler.net/images/moonactive-coin-master_GM406889139.pdfIn PDF document text
    • http://ddsadler.net/images/roblox-lawsuit_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/roblox-army-free-robux_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/prison-life-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/real-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/free-coins-and-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://ddsadler.net/images/village-4-coin-master_GM406889139.pdfIn PDF document text
    • http://ddsadler.net/images/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/minecraft-auto-miner-hack_GM479516143.pdfIn PDF document text
    • http://ddsadler.net/images/microsoft-roblox-rewards_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/free-roebucks-no-human-verification_GM431946152.pdfIn PDF document text
    • http://ddsadler.net/images/coin-master-hacks-free-spins_GM406889139.pdfIn PDF document text
    • http://ddsadler.net/images/hack-coin-master-pc_GM406889139.pdfIn PDF document text
    • http://ddsadler.net/images/roblox-promo-codes-2021-robux_GM431946152.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
stream_003_off00004a6a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A6A 24516 bytes
SHA-256: 4175a29a9e40a94e72bdc3305158d97192c9e8176cf5e3bb8b46ca113095ec05
font_01_sfnt_off0000824d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x824D 17884 bytes
SHA-256: d54aa51eaaaa3e2864f0114713409e316145a0183ee6aba9be1e443db1dceb19

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