PDF malware analysis — malicious · 1fdc8ffee27b91b9

MALICIOUS

PDF

45.3 KB Created: 2021-05-17 02:43:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 602bcca9d6cb44dba266cdf73fe9bfec SHA-1: bfe798c1911a3e370f3cbecd408f989c317bdc77 SHA-256: 1fdc8ffee27b91b9ba1e718f2deb40e6bb2a4607181792fcd42589f3fb3630c9

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains multiple links to external websites, primarily disguised as game hacks or generators for popular mobile games like Coin Master and Roblox. The primary lure appears to be a 'Coin Master 70 Spin Link Today' which redirects to a malicious URL. The document's content and embedded links strongly suggest a phishing or scam attempt designed to lure users to potentially malicious sites, likely for credential harvesting or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.9507

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.xyz/app/406889139/coin-master-70-spin-link-today-game-hack PDF link annotation
- https://vierabyragazze.com/upload/files/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-minecraft-java-server_GM479516143.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/how-to-install-minecraft-for-free-on-ios_GM479516143.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/hack-download_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coin-master-free-soins_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coin-master-hacks-for-free-spins_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/roblox-character-free_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/minecraft-net-free_GM479516143.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-spins-coin-master-2021-today_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-robux-rewards_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-robux-2021_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/how-do-you-earn-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coin-master-hackcom-xyz_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/robux-hack-me_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-robux-com-no-verification_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/minecraft-hack-download_GM479516143.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
`stream_003_off00004b88.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4B88	24848 bytes
SHA-256: `d289afae271364ffa143286a3e9a7f0d32191b277fd8d7469bec9b0509310541`
`font_01_sfnt_off0000840a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x840A	2820 bytes
SHA-256: `96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689`
`font_02_sfnt_off00008dab.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8DAB	18472 bytes
SHA-256: `a3b16dd292719d3d3db8fc4f556ffe5ac43d4d3177a11b2b95197a9a65896a05`

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