PDF malware analysis — malicious · ed44a6d262b905cd

MALICIOUS

PDF

41.0 KB Created: 2021-05-19 01:17:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 51884cc5628515c271551c3f86df5e86 SHA-1: dcf67d6c6aa7bf45083bd8dc2b65f6ab2659318b SHA-256: ed44a6d262b905cd01f4a5610d6a2b8625c8150610ef9e851c30d3ee0a0b61b0

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 0.9971

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/1330123889/pubg-uc-image-game-hack PDF link annotation
- http://bernd-voehringer.de/images/minecraft-bedrock-client_GM479516143.pdfIn PDF document text
- http://bernd-voehringer.de/images/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
- http://bernd-voehringer.de/images/giftrobux-com-generator_GM431946152.pdfIn PDF document text
- http://bernd-voehringer.de/images/coin-master-fan-page-giveaway_GM406889139.pdfIn PDF document text
- http://bernd-voehringer.de/images/coin-master-hack-tool-ios_GM406889139.pdfIn PDF document text
- http://bernd-voehringer.de/images/minecraft-hack-client-18-9_GM479516143.pdfIn PDF document text
- http://bernd-voehringer.de/images/coin-master-hack-2021-ios_GM406889139.pdfIn PDF document text
- http://bernd-voehringer.de/images/how-to-get-free-robux-website_GM431946152.pdfIn PDF document text
- http://bernd-voehringer.de/images/today-coin-master-spin-free_GM406889139.pdfIn PDF document text
- http://bernd-voehringer.de/images/roblox-promo-code-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://bernd-voehringer.de/images/hack-roblox-players_GM431946152.pdfIn PDF document text
- http://bernd-voehringer.de/images/free-things-on-roblox_GM431946152.pdfIn PDF document text
- http://bernd-voehringer.de/images/free-spins-coin-master-2021-glitch_GM406889139.pdfIn PDF document text
- http://bernd-voehringer.de/images/free-robux-no-verification_GM431946152.pdfIn PDF document text
- http://bernd-voehringer.de/images/coin-master-hack-spins-download_GM406889139.pdfIn PDF document text
- http://bernd-voehringer.de/images/coin-master-hack-spins-free_GM406889139.pdfIn PDF document text
- http://bernd-voehringer.de/images/roblox-free-executor_GM431946152.pdfIn PDF document text
- http://bernd-voehringer.de/images/blogspot-coin-master-spins_GM406889139.pdfIn PDF document text
- http://bernd-voehringer.de/images/link-coin-master_GM406889139.pdfIn PDF document text
- http://bernd-voehringer.de/images/coin-master-free-spins-link-may-2021_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
`stream_003_off000042d9.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x42D9	25908 bytes
SHA-256: `1ac1b991e55dbe2fa62917bf45dcd7cdaf86a9cfb6987e4a30bb1ac5a5aef994`
`font_01_sfnt_off00007d81.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D81	18388 bytes
SHA-256: `4c7287019e202da053f9d205bafd4013997cc1cbaadaaf723711c39d19ec1cac`

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