PDF malware analysis — malicious · 76e2609b45f960e9

MALICIOUS

PDF

50.3 KB Created: 2021-06-09 08:37:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 2dfc0229b1856280233f991d18278464 SHA-1: ce2de66bdf8464af6e811b00f0f4cf221552c6dd SHA-256: 76e2609b45f960e9a6f1f0590055c4d9b1f32d414a36df742b5996148bbfd87e

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 0.9871

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.tw/app/431946152/free-unbanned-roblox-accounts-game-hack PDF link annotation
- https://sensorcamera-tw.com/upload/files/roblox-hack-com_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-robux-hack_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/hacker-minecraft-song_GM479516143.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/jailbreak-roblox-hack_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/roblox-skin-free_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-robux-master_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/roblox-hacking-website_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/hacks-para-roblox_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/minecraft-free-download-mac_GM479516143.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/coin-master-jackpot-madness-hack_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/coin-master-hack-apk-download-for-android_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/facebook-coin-master-hack_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-robux-promo-codes_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/simplysarc_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_004_off00004ff6.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4FF6	37300 bytes
SHA-256: `bc8bd488f7e5b816b23f8d4b0ef77e70aff6050ddc98ee5271a7671506ba4314`
`font_01_sfnt_off0000a0c8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA0C8	18780 bytes
SHA-256: `a15cce2cb04fed4c28b905dc94752a033c176292a49eda8d229d0547227d6b5d`

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