PDF malware analysis — malicious · 44c1905f49386944

MALICIOUS

PDF

45.4 KB Created: 2021-05-14 18:07:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 1756d66f65aadff4174ed1503c8e50f6 SHA-1: dc2331de594f35afb4237e4d68fb63e9c0e5e465 SHA-256: 44c1905f493869445b033e5f18773dd045b33b0cd78d35a956963d4b7c0651db

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one pointing to known malicious redirector infrastructure at `https://netcdn.xyz/app/431946152/get-free-roblox-game-hack`. This suggests the document is designed to trick users into visiting potentially harmful websites, likely for phishing or malware distribution. The presence of embedded URLs and a lure for a "free generator / game hack" strongly indicates a social engineering attack.

Machine Learning

Nyx PDF Classifier malicious score 0.9507

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 https://netcdn.xyz/app/431946152/get-free-roblox-game-hack In PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/master-8-ball-pool-free-coins_GM406889139.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/roblox-hack-ios_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/daily-coin-master-link_GM406889139.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/roblox-promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/easiest-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/minecraft-java-server-hosting-free_GM479516143.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/robuxglobalcom_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/get-free-food-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/free-robux-group_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/free-spin-online-tool-coin-master_GM406889139.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/mcpe-master-hack-coins_GM406889139.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/free-robux-gen_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/roblox-earn_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/coin-master-hack-2021-apk-download_GM406889139.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/coin-master-free-spin-generator-without-human-verification_GM406889139.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/www-coin-master-hack-com_GM406889139.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/how-many-levels-are-there-in-coin-master_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off0000478f.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x478F	25796 bytes
SHA-256: `36286f7e4d7cf67baa2628beee69c0e7a645ea5ec3dfcb627e75562f11765986`
`font_01_sfnt_off000082d1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x82D1	5596 bytes
SHA-256: `9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5`
`font_02_sfnt_off00008f79.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F79	18052 bytes
SHA-256: `3163a373a79a6ba2b402f3bc3abf4e04b0a5713e8f73e060e65042d4a11df7ac`

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