PDF malware analysis — malicious · 01e120e719656c37

MALICIOUS

PDF

43.2 KB Created: 2021-05-10 17:35:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: ac8308b5c506eb8c412f0e5dd6a94252 SHA-1: e3f080ae4759ea547685156f7f5f5e6ee6598455 SHA-256: 01e120e719656c37ab7e1e5315fe2a820067b77bc98e9647da17f65097b9b7d2

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 0.9969

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-hack-xyz-apk-download-game-hack PDF link annotation
- https://www.liputanbali.com/assets/CKImages/files/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/free-spins-coin-master-facebook_GM406889139.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/how-to-hack-a-minecraft-server-and-make-yourself-op_GM479516143.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/robux-gratis_GM431946152.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/minecraft-java-edition-code-free_GM479516143.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/wurst-hacks_GM479516143.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/can-you-earn-robux_GM431946152.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/minecraft-dungeons-free_GM479516143.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/roblox-free-skin_GM431946152.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/earn-robux-by-watching-ads_GM431946152.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/wurst-115_GM479516143.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/roblox-cheat_GM431946152.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/coin-master-32-mod-hack-unlimited_GM406889139.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/create-minecraft-server-free_GM479516143.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/how-to-get-free-spins-on-coin-master-without-verification_GM406889139.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/free-robux-for-free_GM431946152.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/free-minecraft-coins_GM479516143.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_off00004ba0.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4BA0	24984 bytes
SHA-256: `54c76b8c8540d9cb0e8a27fd18e748496e1e7596afb61af7324dba4fb938640a`
`font_01_sfnt_off00008452.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8452	18964 bytes
SHA-256: `42a942681b50248dcccc5fc85bca355d05b372000a3cb49c351c6f0dce64ffde`

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