PDF malware analysis — malicious · 12909678e9e4ce4e

MALICIOUS

PDF

34.1 KB Created: 2021-07-03 16:49:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 6f0bbf545e684eede6780fd7e07ef749 SHA-1: aa26b18aa4308e82cdb4b4c456ca6605a5789427 SHA-256: 12909678e9e4ce4e2b87875ac385191fd53df2ffd44b086665c25b536621f165

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.tw/app/479516143/minecraft-windows-10-code-free-game-hack PDF link annotation
- http://croatia-flyfishing.com/files/free-vip-server-roblox_GM431946152.pdfIn PDF document text
- https://www.croatia-flyfishing.com/files/can-you-hack-coin-master_GM406889139.pdfIn PDF document text
- https://www.croatia-flyfishing.com/files/how-to-get-free-money-in-bloxburg-roblox_GM431946152.pdfIn PDF document text
- https://www.croatia-flyfishing.com/files/mcpe-free-download_GM479516143.pdfIn PDF document text
- http://croatia-flyfishing.com/files/free-robux-on-roblox-easy-and-fast_GM431946152.pdfIn PDF document text
- https://www.croatia-flyfishing.com/files/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
- http://croatia-flyfishing.com/files/coin-master-redeem-code-free_GM406889139.pdfIn PDF document text
- http://croatia-flyfishing.com/files/coin-master-cheat-codes-free_GM406889139.pdfIn PDF document text
- https://www.croatia-flyfishing.com/files/https-mobihack-net-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.croatia-flyfishing.com/files/free-robux-mod_GM431946152.pdfIn PDF document text
- http://croatia-flyfishing.com/files/free-robux-hack-2021_GM431946152.pdfIn PDF document text
- http://croatia-flyfishing.com/files/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
- https://www.croatia-flyfishing.com/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- http://croatia-flyfishing.com/files/minecraft-free-trial_GM479516143.pdfIn PDF document text
- http://croatia-flyfishing.com/files/free-coin-master-spins-without-human-verification_GM406889139.pdfIn PDF document text
- http://croatia-flyfishing.com/files/coin-master-free-spin-generator-without-human-verification_GM406889139.pdfIn PDF document text
- http://croatia-flyfishing.com/files/how-to-get-free-coins-in-coin-master-game_GM406889139.pdfIn PDF document text
- http://croatia-flyfishing.com/files/free-roblox-giver-roblox_GM431946152.pdfIn PDF document text
- http://croatia-flyfishing.com/files/coin-master-free-coins-and-spins-app_GM406889139.pdfIn PDF document text
- https://www.croatia-flyfishing.com/files/coun-master_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_off00003220.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3220	21432 bytes
SHA-256: `2eb1963e359b91f1e4d9e922506c6c394bd721e4b942fd6e9e664869ccf81833`
`font_01_sfnt_off000060c8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60C8	18812 bytes
SHA-256: `1d294fe49e7d7055892cb702b89a1ecde4415814741a46be660a19e36be4e54d`

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