PDF malware analysis — malicious · 7d97d12ea32ea10f

MALICIOUS

PDF

51.2 KB Created: 2021-06-03 07:37:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 4f82cc1f633f4a274b69313320e078bd SHA-1: b4d653f16e1b604803fa21d07a6ee3a9f1693769 SHA-256: 7d97d12ea32ea10fde45777961a31f15dcf8fc0517db3d6a987999e15307336d

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a game hack lure, specifically referencing 'how to cheat in Roblox', to entice users to click on a malicious URL. The primary URL, https://netcdn.online/app/431946152/how-to-cheat-in-roblox-game-hack, is directly linked to this lure. The document's structure and embedded links suggest it is designed to redirect users to potentially malicious content or download further payloads, aligning with common phishing and malware distribution tactics.

Machine Learning

Nyx PDF Classifier malicious score 0.9724

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 https://netcdn.online/app/431946152/how-to-cheat-in-roblox-game-hack PDF link annotation
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/coin-master-free-chip_GM406889139.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/free-pet-snacks-coin-master_GM406889139.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/roblox-hacks-and-cheats_GM431946152.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/coin-master-hack-tool-v1-9-apk_GM406889139.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/how-to-get-free-robux-by-playing-games_GM431946152.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/coin-master-game_GM406889139.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/free-online-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/how-to-get-free-robux-com_GM431946152.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/minecraft-pe-free-download-android_GM479516143.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/coin-master-free-spinv1-0apkpure-com-apk_GM406889139.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/haktuts-free-spins_GM406889139.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/free-robux-without-verification-or-survey_GM431946152.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/free-robux-apk_GM431946152.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/classic-minecraft-net-hacks_GM479516143.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/how-to-get-free-robux-generator_GM431946152.pdfIn PDF document text
- https://www.delhihomeoboard.in/uploaded_files/userfiles/files/robux-without-verification_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005228.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5228	24220 bytes
SHA-256: `fe0c4b05c4c5d3c2d5f4194b8cca2c65aa4d51433992b07407ebcd2259670133`
`font_01_sfnt_off000089d8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x89D8	8252 bytes
SHA-256: `7ebedd6b182173c8e55836cb0d114b2c4a0ac85c96a51b9f0706c935f8415fea`
`font_02_sfnt_off0000a4ec.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA4EC	18448 bytes
SHA-256: `65eb2ce946b42b9693923625c6007c764d2c4894e4322c6b46746fa0e9d37ece`

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