PDF malware analysis — malicious · de62022f609bcdde

MALICIOUS

PDF

34.9 KB Created: 2021-07-05 07:32:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: e65794c6f2b3480d14b7d15936fa353c SHA-1: ee7ba5b4ab0175748b789fa92ca24cf8d6520ee1 SHA-256: de62022f609bcddec730c027204a51664c5ee177e68d81301be532c6e7289f94

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/431946152/roblox-apocalypse-rising-hack-game-hack PDF link annotation
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/how-to-get-free-robux-on-roblox-meep-city_GM431946152.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/robux-fun-hack_GM431946152.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/best-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/free-robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/robux-roblox-hackcom_GM431946152.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/roblox-cheats-for-tablet_GM431946152.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/minecraft-pe-free-download_GM479516143.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/how-to-get-free-robux-2021-working_GM431946152.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/denisdaily-robux-hack_GM431946152.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/roblox-free-robux_GM431946152.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/coin-master-free-spins-facebook_GM406889139.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/coin-master-free-spins-app-android_GM406889139.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/free-robux-codes-no-verification-2021_GM431946152.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/fre-roblox-gift-code_GM431946152.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/youtube-ninja-animation-free-roblox_GM431946152.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/coin-master-link-spin_GM406889139.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/roblox-skins-boy-free_GM431946152.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/how-to-get-free-shirts-and-pants-on-roblox_GM431946152.pdfIn PDF document text
- https://www.shopinkart.co.in/uploaded_files/userfiles/files/pubg-uc-zam_GM1330123889.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_off000030e8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30E8	22488 bytes
SHA-256: `95f19908753a3cfb9ef33b6c701e211d1f7b92edd5b8edc2afe43dc319f123d5`
`font_01_sfnt_off00006334.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6334	19132 bytes
SHA-256: `89b3c6f78ad9a233c40c5814635efca93e06110ce3843f8feb3308563d35be6a`

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