PDF malware analysis — malicious · f7400db656a7ce50

MALICIOUS

PDF

35.5 KB Created: 2021-06-28 06:08:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: aa31284ca2752d1d9ee2979c1382156b SHA-1: 1835a42a931b83f3b2b0532df9bdb4907ca344ea SHA-256: f7400db656a7ce5018399ac2ecd20fee690aa05749fee8822392217ee820015f

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/roblox-scp-site-61-hack-game-hack PDF link annotation
- http://www.samsoncc.com/uploaded_files/userfiles/files/free-safe-ways-to-get-robux-in-roblox_GM431946152.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/roblox-april-fools-hack_GM431946152.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/harked-cheat-for-roblox_GM431946152.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/coin-master-hacks-reddit_GM406889139.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/how-do-u-hack-roblox_GM431946152.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/roblox-comcom_GM431946152.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/coin-master-heaven-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/robux-games_GM431946152.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/coin-master-hack-online-generator-without-human-verification_GM406889139.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/free-robux-invite-site-v3rmillionnet_GM431946152.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/coin-master-game-download-free_GM406889139.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/free-print-roblox-coloring-pages_GM431946152.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/roblox-free-codes-2021_GM431946152.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/free-robux-no-apps_GM431946152.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/free-coin-master-spins-link-facebook_GM406889139.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/roblox-cheat_GM431946152.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/minecraft-hacks-xbox_GM479516143.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/roblox-hackers-list_GM431946152.pdfIn PDF document text
- http://www.samsoncc.com/uploaded_files/userfiles/files/roblox-dominus-frigidus-free_GM431946152.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_off000034a1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x34A1	21808 bytes
SHA-256: `f34992f21f7bd7617f0cc68edcf586a6fa63873b152af908beafd5bb5ee72f55`
`font_01_sfnt_off000064a2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64A2	19328 bytes
SHA-256: `1fab8de5700272c474ef191d62100722caf157cffba85789f3be016e50bb3418`

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