PDF malware analysis — malicious · f5e2a16844b3b6fd

MALICIOUS

PDF

31.5 KB Created: 2021-06-24 16:52:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 197be99cb2a6d35dc79a9f640feedd9c SHA-1: 6cbf5dd574188006403f95eca6206afde7c14165 SHA-256: f5e2a16844b3b6fd4996f8f0246d0fdf2004b8653385ba395b0e16ae141d0eef

74 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

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

Machine Learning

Nyx PDF Classifier malicious score 0.9990

Heuristics 3

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.
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/free-roblox-scripts-game-hack PDF link annotation
- https://www.advancissurgical.com/uploads/files/files/roblox-hack-scripts-pastebin_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/compte-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/was-minecraft-ever-free_GM479516143.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/coin-master-hack-no-verification-ios_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/robux-page_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/how-to-get-free-robux-easy-2021_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/how-to-get-free-robux-on-chromebook_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/op-rewards-robux_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/roblox-re_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/can-you-give-me-free-robux_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/cheate-pour-roblox_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/coin-master-claim-free-spins_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/roblox-natural-disater-hacks_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/speed-hack-tool-roblox_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/apocalypse-rising-roblox-cheats_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/impact-hack-client-roblox_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/roblox-free-robux-com_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/cydia-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/coin-master-gold-cards-hack-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
`font_00_sfnt_off00002ae8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2AE8	22444 bytes
SHA-256: `d40a269f5a28a4d7bf14b75db077ae4c8945b4c7c0e7ae98ff90ff26bf82ede4`
`font_01_sfnt_off00005ca4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5CA4	19048 bytes
SHA-256: `3ce96fc5bc1d080f260c5a9ef32574396aa7125abe18d5be612a05c7a417d147`

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