PDF malware analysis — malicious · c046c3373dbb78ba

MALICIOUS

PDF

46.4 KB Created: 2021-06-07 08:56:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 4d64eb48fad85e69a74fc7c5e5370e6f SHA-1: 15b35f36a239a74b003639562afc2fea1a89d160 SHA-256: c046c3373dbb78bac54f1733ab26f1b0c2794fd5ed5c078bfffae82cf4cc7497

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 0.9832

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/how-to-use-roblox-hack-scripts-game-hack PDF link annotation
- https://www.hbproducts.dk/images/free-minecraft-skins-pe_GM479516143.pdfIn PDF document text
- https://www.hbproducts.dk/images/free-coin-master-cards_GM406889139.pdfIn PDF document text
- https://www.hbproducts.dk/images/free-robux-legit_GM431946152.pdfIn PDF document text
- https://www.hbproducts.dk/images/free-robux-without-any-verification_GM431946152.pdfIn PDF document text
- https://www.hbproducts.dk/images/arsenal-hacks-roblox_GM431946152.pdfIn PDF document text
- https://www.hbproducts.dk/images/free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.hbproducts.dk/images/minecraft-font-free_GM479516143.pdfIn PDF document text
- https://www.hbproducts.dk/images/tiktok-accounts-for-free_GM835599320.pdfIn PDF document text
- https://www.hbproducts.dk/images/free-robux-giveaway-live_GM431946152.pdfIn PDF document text
- https://www.hbproducts.dk/images/free-robux-no-verify_GM431946152.pdfIn PDF document text
- https://www.hbproducts.dk/images/coin-master-hack-ios-jailbreak_GM406889139.pdfIn PDF document text
- https://www.hbproducts.dk/images/bux-gg-robux-free_GM431946152.pdfIn PDF document text
- https://www.hbproducts.dk/images/coin-master-hack-cydia_GM406889139.pdfIn PDF document text
- https://www.hbproducts.dk/images/robux-game-com_GM431946152.pdfIn PDF document text
- https://www.hbproducts.dk/images/minecraft-skins-download-free_GM479516143.pdfIn PDF document text
- https://www.hbproducts.dk/images/free-spin-link-of-coin-master_GM406889139.pdfIn PDF document text
- https://www.hbproducts.dk/images/robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
- https://www.hbproducts.dk/images/free-minecraft-accounts-reddit_GM479516143.pdfIn PDF document text
- https://www.hbproducts.dk/images/roblox-imagine_GM431946152.pdfIn PDF document text
- https://www.hbproducts.dk/images/free-spins-on-coin-master-without-human-verification_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_off0000529e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x529E	27160 bytes
SHA-256: `cde099638fe918093e1d8b152fd2831e29607ae0ce263737bd7caea8bd5dfe19`
`font_01_sfnt_off000090d1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x90D1	18932 bytes
SHA-256: `3c9318a545e76695ac124b7668397177bfcf4510e96c97df1cb6a5b52715859c`

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