Malicious PDF — malware analysis report

Static analysis result for SHA-256 3607350bbb62e062…

MALICIOUS

PDF

42.6 KB Created: 2021-05-16 09:33:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4977228f30b14d792b32d83c7aca3cf9 SHA-1: 78d2637a940d1ae4e402a3afabb03da4f6d233fe SHA-256: 3607350bbb62e0621802b42dfbe453fbd99f6d9c23e3123b9d4eed0d6a7eecc8
160 Risk Score

Malware Insights

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

The PDF document contains multiple links to known malicious redirectors and lures users with promises of free game hacks and premium items. The ML classifier strongly indicated maliciousness, and the document body, though partially corrupted, contains references to these lures and a URL associated with malicious redirector infrastructure. The presence of embedded links suggests an attempt to redirect the user to a malicious site, likely for further exploitation or credential harvesting.

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/431946152/how-to-get-free-premium-roblox-game-hack In PDF document text
    • http://jandimotors.co.uk/images/spin-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/hack-spin-coin-master_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/roblox-builders-club-free_GM431946152.pdfIn PDF document text
    • http://jandimotors.co.uk/images/free-minecraft-games-for-kids_GM479516143.pdfIn PDF document text
    • http://jandimotors.co.uk/images/minecraft-free-download-apk-softonic_GM479516143.pdfIn PDF document text
    • http://jandimotors.co.uk/images/get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/free-robux-stream_GM431946152.pdfIn PDF document text
    • http://jandimotors.co.uk/images/free-coin-master-spins-daily_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/coin-master-hacks-and-cheats_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/minecraft-auto-miner-hack_GM479516143.pdfIn PDF document text
    • http://jandimotors.co.uk/images/coin-master-free-spins-8-14-2021_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://jandimotors.co.uk/images/free-bedrock-minecraft_GM479516143.pdfIn PDF document text
    • http://jandimotors.co.uk/images/free-minecraft-alts_GM479516143.pdfIn PDF document text
    • http://jandimotors.co.uk/images/roblox-arsenal-hack_GM431946152.pdfIn PDF document text
    • http://jandimotors.co.uk/images/free-coin-master-s_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/roblox-piano-hack_GM431946152.pdfIn PDF document text
    • http://jandimotors.co.uk/images/coin-master-free-spins-without-verification_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
stream_003_off000047b4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47B4 25512 bytes
SHA-256: 107774e4d55dbf4d2e39e1183f2c51f1b76e4d720c1f04506620a10ff28e7537
font_01_sfnt_off00008298.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8298 18888 bytes
SHA-256: b5a20fef57cf108902425c7fe9107080aaf47056a074752b6f70fc2176bbaa7e

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