PDF malware analysis — malicious · a88ee68a7e45625b

MALICIOUS

PDF

45.0 KB Created: 2021-06-03 05:31:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 46b14facfcf9504dc4761fb3a3aa82cd SHA-1: c5af43fbf9f4effacc9a007b3e7fd0fa728906a6 SHA-256: a88ee68a7e45625b46cd3a012d214710c24e7b27d582c4d46495d024a8e35230

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 0.9865

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.online/app/835599320/how-to-get-free-views-on-tiktok-game-hack PDF link annotation
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/how-do-you-get-robux_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/how-to-use-scripts-in-roblox-hack_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/minecraft-pe-hack-client_GM479516143.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-robux-codes_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/best-way-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/coin-master-free-spins-without-human-verification_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-likes-for-tiktok_GM835599320.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/how-to-earn-free-pokeballs-in-pokemon-go_GM1094591345.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/minecraft-mobile-free_GM479516143.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/hey-google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/how-to-hack-someones-account-on-roblox_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/coin-master-free-spins-link-today-haktuts_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/coin-coin-master-hack_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/coin-master-gift-link_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/easy-robux-today-com_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/pokemon-go-free-spoofer_GM1094591345.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
`stream_004_off00004fd7.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4FD7	27984 bytes
SHA-256: `1651f0ef59e3f7c0a9e6212832080cc88643d4727da1c75f2abe4e38deda1beb`
`font_01_sfnt_off00008ed0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8ED0	17752 bytes
SHA-256: `d95dedae58cdb67c089f34f0d3d34b155600377962f13b80a86836881e651063`

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