PDF malware analysis — malicious · 8b7e2307001efeef

MALICIOUS

PDF

34.7 KB Created: 2021-07-04 02:23:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: fb3fe9cb64baf978be84342e1226d068 SHA-1: 25ea3e955061b043c07508033f0c90cf4d4189d0 SHA-256: 8b7e2307001efeefbb7dd1c241fda89e5567c1197f5d9f6f709c58d984dbf64b

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains multiple links to a redirector URL, which is flagged as malicious. The document body and heuristics indicate a lure for game-related hacks and currency, aiming to trick users into clicking the malicious link. The presence of embedded URLs and the nature of the lure suggest a phishing or social engineering attack.

Machine Learning

Nyx PDF Classifier malicious score 0.9983

Heuristics 4

PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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
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/406889139/get-free-spins-coin-master-2021-game-hack In PDF document text
- https://www.cinemapalace.ro/trailer/files/free-roblox-redeem-cards-nov_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/abstract-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/free-spin-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/coin-master-hack-version-2021_GM406889139.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/hacked-roblox-accounts-list_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/aimbot-for-roblox-cheat-engine_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/minecraft-java-edition-download-free_GM479516143.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/free-coin-master-spins-hack_GM406889139.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/free-likes-for-tiktok_GM835599320.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/how-do-you-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/coin-master-free-spin-realme-products_GM406889139.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/roblox-sharkbite-sharkteeth-hack_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/free-coin-and-spin-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/admin-roblox-free-download_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/free-minecraft-worlds_GM479516143.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/free-to-roblox-card_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/roblox-cheats-codes-2021_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/my-roblox-girlfriend-cheated-on-me_GM431946152.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_002_off00003044.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3044	22984 bytes
SHA-256: `8736267e284582abbd2a269d69bdbd8352ddac02c1e95b8bae31a004a64d7075`
`font_01_sfnt_off000063dc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63DC	18576 bytes
SHA-256: `47068641d4cd5afad495b2744cbb78709b2a1d88425159384b1e35df59296f67`

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