PDF malware analysis — malicious · c37621559251f1b1

MALICIOUS

PDF

33.4 KB Created: 2021-06-21 13:20:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 7bdb59ca33e0a2fcf546f0735ff0e9a3 SHA-1: c537f3c0eb30f94c78383c4375f65011869cc219 SHA-256: c37621559251f1b109e60da2c3d18eef8fdaf7fa84b8995dec04dabb569aeb67

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/how-to-get-free-roblox-clothes-no-bc-game-hack PDF link annotation
- http://wiesbadener-marktplatz.de/images/how-to-hack-without-downloading-anything-roblox_GM431946152.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/free-pants-for-roblox_GM431946152.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/minecraft-free-download-windows_GM479516143.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/roblox-how-to-get-free-robux-2021-no-inspect-element_GM431946152.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/minecraft-diamond-finder-hack_GM479516143.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/free-roblox-cat-ears_GM431946152.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/roblox-printables-free_GM431946152.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/minecraft-packs-free_GM479516143.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/give-free-robux_GM431946152.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/robux-free-generator-unlimited-robux_GM431946152.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/coin-master-free-spins-link-2021-twitter_GM406889139.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/free-coin-master-hacks-no-verification_GM406889139.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/coin-master-hack-tool-access-online-generator_GM406889139.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/roblox-welcome-to-bloxburg-money-hack_GM431946152.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/free-private-server-roblox_GM431946152.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/free-minecraft-capes_GM479516143.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/free-spins-and-coins-coin-master-2021-link_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.

Filename	Kind	Source	Size
`font_00_sfnt_off00002e11.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E11	21560 bytes
SHA-256: `3ba586ccac593574881190e3af6d8b6ca15bfa7c4f4ceece5a9b638ebac54c97`
`font_01_sfnt_off00005d63.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5D63	19084 bytes
SHA-256: `24dd48f1c96dbcbab32d90a505deec3c29972a9103fe6c487ce4ebf986e46822`

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