Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c45bbeb8481e597…

MALICIOUS

PDF

42.0 KB Created: 2021-05-18 00:07:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 998491c47ef10443a40c65bbda7a6ebc SHA-1: 7e97925438e780ab98ff23ed02dd376a085695d1 SHA-256: 7c45bbeb8481e5972fc2aa32fa04833aebe39054f523182315c162bf0b9cc3c0
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically advertising game hacks and cheats. The document body, though heavily obfuscated, contains a URL that matches the heuristic findings. The presence of multiple redirector links and the ML classifier's high confidence score indicate a malicious intent to redirect users to harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/how-to-hack-coin-master-root-game-hack In PDF document text
    • http://condit-pack.com/images/how-to-get-free-cards-on-coin-master_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/today-coin-master-spin-free_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/roblox-hack-tool_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/free-minecraft-skins-girl_GM479516143.pdfIn PDF document text
    • http://condit-pack.com/images/codes-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/free-shields-coin-master_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/instantrobux_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/how-to-get-free-robux-on-android_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/minecraft-for-ps3-free_GM479516143.pdfIn PDF document text
    • http://condit-pack.com/images/minecraft-servers-that-allow-hacks_GM479516143.pdfIn PDF document text
    • http://condit-pack.com/images/coin-master-attack-block-hack_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/real-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/free-headless-head-roblox_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/coin-master-free-100-spin_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/totally-free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/free-coin-and-spin-for-coin-master_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/bux-life-free-robux_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/how-to-get-free-robux-on-ipad_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_off00004ad1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AD1 24408 bytes
SHA-256: df3d2fda6d3697f11ce7fb2fcc0369ea2c7e5bd1116fa948a35c71faf62e3f5c
font_01_sfnt_off000082bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82BB 17880 bytes
SHA-256: 8d1f2374cc0ee299ef3230cc600176bd8051b87b632aac22800208bfbee90f8f

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