PDF malware analysis — malicious · 6f6a81d1319bf67b

MALICIOUS

PDF

34.5 KB Created: 2021-06-19 03:21:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 9369ea710be769f1cb6057fbb967dd4b SHA-1: 5f407a4032a4ae51151119d2035fcb0dad1a8dfd SHA-256: 6f6a81d1319bf67bdf1f3c58aa4bf0a81989c66067d30ece8568b4c2c79cc586

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/new-speed-hack-roblox-game-hack PDF link annotation
- https://elearningman2jember.com/__statics/gudangsoal/files/coin-master-free-coins-and-spins-blogspot_GM406889139.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/how-to-free-robux_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/free-coins-coin-master-haktuts_GM406889139.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/roblox-hacks-for-mac_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/ways-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/coin-master-spins-gratis_GM406889139.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/coin-master-claim-spins_GM406889139.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/como-hackear-coin-master-gratis_GM406889139.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/roblox-gift-card-online-free_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/free-tiktok-followers-no-human-verification-or-survey_GM835599320.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/free-robux-hack-generator_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/get-me-robux_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/coins-master-hacks_GM406889139.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/krnl-download_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/coin-master-game-hack-link_GM406889139.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/minecraft-pc-free_GM479516143.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/roblox-com-free-play_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/coin-master-hack-2021-apk_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_off00003094.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3094	21964 bytes
SHA-256: `ad6c6e41e351a65614672ffb121753c6c030602491e97e56ce8e3ac56e43e56b`
`font_01_sfnt_off00006103.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6103	19168 bytes
SHA-256: `48ec4d6100ac206bee5a5a5f752d8d057df1923bfb73b67ad74c1742073dcaec`

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