PDF malware analysis — malicious · 6f0468f05b33c8d3

MALICIOUS

PDF

44.9 KB Created: 2021-05-13 14:06:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: ca5ecd9b369e8d9a78fb5be54afc7e03 SHA-1: b6d22d1b2b002bfb9081b22f7aeb44e997ace5bc SHA-256: 6f0468f05b33c8d3a78d70a96818f3742ff90c3e9d20fa581c0d3ee1c5c48ae3

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically promoting "Coin Master Free Spin Daily Link" and similar game-related lures. The document body, though partially corrupted, contains references to these lures and the malicious URL. The presence of embedded links and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9632

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/406889139/coin-master-free-spin-daily-link-game-hack In PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/hackear-coin-master_GM406889139.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/free-robux-place_GM431946152.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/free-robux-codes-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/get-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/how-to-hack-a-minecraft-server_GM479516143.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/reddit-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/earn-robux-today-earn-robux-today_GM431946152.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/easy-robux-generator_GM431946152.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/how-many-levels-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/websites-that-give-free-robux_GM431946152.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/coin-master-hack-tool-for-pc_GM406889139.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/robux-hack-2021_GM431946152.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/coin-master-game-hack-kaise-kare_GM406889139.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/cute-free-roblox-outfits_GM431946152.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/how-to-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/coin-master-spin-hack_GM406889139.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/how-to-install-minecraft-for-free-on-ios_GM479516143.pdfIn PDF document text
- https://www.aeroplanemarket.com/uploaded_files/userfiles/files/minecraft-for-chromebook-free_GM479516143.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_off00004a6a.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A6A	24484 bytes
SHA-256: `1c097a0e3098176ed4b3293f17c14dff36a10cf3ca742bb9097e9ce08f2d9569`
`font_01_sfnt_off00008282.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8282	2880 bytes
SHA-256: `10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132`
`font_02_sfnt_off00008c6d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8C6D	18476 bytes
SHA-256: `2ce97cbb308bf5ba938525f141fd625062fba94b419d6e9602582d12aef06769`

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