PDF malware analysis — malicious · 1f15a7576a9dbc3e

MALICIOUS

PDF

35.3 KB Created: 2021-06-18 12:11:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24

MD5: cde4044021d3d55b72743c67966f7ce4 SHA-1: c0ef14329a3e064c92662dfa4fe13ff72a56def7 SHA-256: 1f15a7576a9dbc3e1b477f1415a76ffa8d885a6bcef38406656ee5ce43fa1abc

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/how-to-access-the-studio-of-a-roblox-game-hack-game-hack PDF link annotation
- https://maximabm.com/uploaded_files/userfiles/files/roblox-source_GM431946152.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/minecraft-free_GM479516143.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/free-downloads-for-coin-master-daily-rewards_GM406889139.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/coin-master-hack-without-human-verification_GM406889139.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/best-free-minecraft-texture-packs_GM479516143.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/hack-royale-high-roblox_GM431946152.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/pubg-uc-myanmar_GM1330123889.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/free-robux-games_GM431946152.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/roblox-hack-download_GM431946152.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/minecraft-building-hacks_GM479516143.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/coin-master-hack-apk-2021_GM406889139.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/coin-master-free-coins--spins_GM406889139.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/haktuts-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/coin-master-free-coin-and-spin-app_GM406889139.pdfIn PDF document text
- https://www.maximabm.com/uploaded_files/userfiles/files/hacked-client-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/how-do-you-get-roebucks-for-free_GM431946152.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
- https://maximabm.com/uploaded_files/userfiles/files/free-robux-no-verification-or-survey_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_off00002faa.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FAA	22956 bytes
SHA-256: `f34f04e878289643e5419c15ebb31a54ca9bc74f3a4a62723e330b620953e457`
`font_01_sfnt_off00006344.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6344	19600 bytes
SHA-256: `c974ed87d2be0010cc48975ffc711b4fee23b1ee75d11302e5ed6b4dfdc4b2e2`

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