PDF malware analysis — malicious · e66421496cb3d186

MALICIOUS

PDF

41.4 KB Created: 2021-05-14 06:01:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 26c8b5b5907b29f69eb75bb7fc76284c SHA-1: 32fac46827b31dd170dea4867c526e8fdfed2524 SHA-256: e66421496cb3d186a432cc5b9aa160b0afca971d9282a2614a2b5e51886da68d

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 0.9971

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-free-spins-link-2021-game-hack PDF link annotation
- https://www.rondeberg.com/images/minecraft-windows-10-edition-free-with-java_GM479516143.pdfIn PDF document text
- https://www.rondeberg.com/images/actual-free-robux_GM431946152.pdfIn PDF document text
- https://www.rondeberg.com/images/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
- https://www.rondeberg.com/images/minecraft-coins-free_GM479516143.pdfIn PDF document text
- https://www.rondeberg.com/images/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
- https://www.rondeberg.com/images/blox-pink-robux-free_GM431946152.pdfIn PDF document text
- https://www.rondeberg.com/images/coin-master-free-card-link-today_GM406889139.pdfIn PDF document text
- https://www.rondeberg.com/images/minecraft-hacker-skin_GM479516143.pdfIn PDF document text
- https://www.rondeberg.com/images/how-to-get-free-robux-not-a-scam_GM431946152.pdfIn PDF document text
- https://www.rondeberg.com/images/hack-game-plus-com-coin-master_GM406889139.pdfIn PDF document text
- https://www.rondeberg.com/images/hackear-coin-master-sin-root_GM406889139.pdfIn PDF document text
- https://www.rondeberg.com/images/rbx-free_GM431946152.pdfIn PDF document text
- https://www.rondeberg.com/images/roblox-troll-outfits-free_GM431946152.pdfIn PDF document text
- https://www.rondeberg.com/images/robux-fun-hack_GM431946152.pdfIn PDF document text
- https://www.rondeberg.com/images/coin-master-spin-hack-link_GM406889139.pdfIn PDF document text
- https://www.rondeberg.com/images/coin-master-free-coins-link-facebook_GM406889139.pdfIn PDF document text
- https://www.rondeberg.com/images/hack-coin-master-game-apk-download_GM406889139.pdfIn PDF document text
- https://www.rondeberg.com/images/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.rondeberg.com/images/aimbot-download-roblox_GM431946152.pdfIn PDF document text
- https://www.rondeberg.com/images/free-coins-coin-master-2021_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
`stream_003_off00004798.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4798	24152 bytes
SHA-256: `ee6b5b62eade99989251655013e99084988a190f87a6512f6a9b3443628270a2`
`font_01_sfnt_off00007eb2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7EB2	18456 bytes
SHA-256: `405c435adaafa0da304b7a4986d8f56c56dc87ed278d5cff2ac0c57977d8d7e3`

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