PDF malware analysis — malicious · 80de62bfbf55de0d

MALICIOUS

PDF

34.3 KB Created: 2021-06-28 06:18:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 60f91f879583727362726195edcd53f0 SHA-1: ae578f385ec3cc3357b850f3389f858ced4523db SHA-256: 80de62bfbf55de0dce259bca177669728de856e88cb149a4d2a73e9530b0a849

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/i-want-to-hack-roblox-without-downloading-any-apps-game-hack PDF link annotation
- http://www.alpaca-buitensport.nl/images/minecraft-pe-hacks-ios_GM479516143.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/theme-park-tycoon-2-hack-roblox_GM431946152.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/galaxy-roblox-hack_GM431946152.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/hacked-google-roblox-pacifico-2_GM431946152.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/roblox-robux-hack-generator-no-survey-2021_GM431946152.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/robux-card-codes-free_GM431946152.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/free-robux-generator-no-hack_GM431946152.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/minecraft-handbook_GM479516143.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/minecraft-games-free-download_GM479516143.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/free-roblox-accounts-2021_GM431946152.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/working-roblox-hack-ddls_GM431946152.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/i-need-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/how-to-be-able-to-open-cheat-engine-in-roblox_GM431946152.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/free-minecraft-resource-packs_GM479516143.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/how-to-noclip-in-roblox-cheat-engine-67_GM431946152.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/minecraft-free-download-2021_GM479516143.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
- http://www.alpaca-buitensport.nl/images/coin-master-fan-club_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_off00002e44.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E44	21544 bytes
SHA-256: `a7b9d23d4a0f0b7626c7195713c22ef7f5a5d9e51a4b163788ca43bb3c965450`
`font_01_sfnt_off00005d70.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5D70	20248 bytes
SHA-256: `03ecf0ecbbcaa6fb1879482bb7eef7dc60717fecde66a3d055b6d0c24801867d`

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