Malicious PDF — malware analysis report

Static analysis result for SHA-256 9980f593c8967b47…

MALICIOUS

PDF

42.3 KB Created: 2021-05-13 02:59:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 54008dd4a98d0c87aa051c797cbb24d0 SHA-1: c3dcf67b2971587075fd48aca5d1f1a22b31728e SHA-256: 9980f593c8967b4764216a2ed2a478f6e5824861e53cdd766a910acf0dce48a1
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites offering game hacks and generators, a common lure for malicious downloads. The ML classifier also flagged this PDF as malicious with high confidence. The document body and extracted URLs suggest a social engineering tactic to trick users into visiting potentially harmful sites.

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/479516143/minecraft-pocket-edition-mods-for-free-game-hack PDF link annotation
    • http://zagi.hr/files/roblox-free-hair-codes_GM431946152.pdfIn PDF document text
    • http://zagi.hr/files/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
    • https://www.zagi.hr/files/daily-coin-master-link_GM406889139.pdfIn PDF document text
    • https://www.zagi.hr/files/how-to-hack-coin-master-ios-2021_GM406889139.pdfIn PDF document text
    • https://www.zagi.hr/files/minecraft-classic-free_GM479516143.pdfIn PDF document text
    • https://www.zagi.hr/files/free-coin-master-spins-daily_GM406889139.pdfIn PDF document text
    • http://zagi.hr/files/sb-game-hacker-coin-master_GM406889139.pdfIn PDF document text
    • http://zagi.hr/files/hacking-apps-for-roblox_GM431946152.pdfIn PDF document text
    • https://www.zagi.hr/files/free-coin-and-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • http://zagi.hr/files/javascript-free-robux_GM431946152.pdfIn PDF document text
    • http://zagi.hr/files/lazyblocks-com-free-robux_GM431946152.pdfIn PDF document text
    • http://zagi.hr/files/how-to-get-free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://zagi.hr/files/install-free-game-coin-master_GM406889139.pdfIn PDF document text
    • http://zagi.hr/files/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • https://www.zagi.hr/files/roblox-font-free_GM431946152.pdfIn PDF document text
    • http://zagi.hr/files/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
    • http://zagi.hr/files/free-robux-microsoft_GM431946152.pdfIn PDF document text
    • http://zagi.hr/files/coin-master-spin-link-2021_GM406889139.pdfIn PDF document text
    • http://zagi.hr/files/roblox-gift-card-for-free_GM431946152.pdfIn PDF document text
    • http://zagi.hr/files/free-robux-android_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000472f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x472F 27380 bytes
SHA-256: 492c3eade70cfb1a55e465476afb2683596d9187e81e139a915050293dad9bbd
font_01_sfnt_off00008388.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8388 18208 bytes
SHA-256: 52725ebef45a42bab5f52f4296d4c65b292dd882fbab5616e23215bf8ac92a4c

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