PDF malware analysis — malicious · 41286c2ad7f6e453

MALICIOUS

PDF

36.2 KB Created: 2021-07-01 20:54:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: fcbb55dbf1af5f7de744a3b87eb9c128 SHA-1: 094d55e5a9c4387b1740efb434d0e2e58233e0c9 SHA-256: 41286c2ad7f6e4536fe942162b16d0f9ee7cfd657153c965df406c6ba764f4ca

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains links to known malicious redirectors and lures users with promises of game hacks and free currency. The document body and embedded URLs suggest a phishing attempt to trick users into downloading further malicious content. No scripts were extracted, but the PDF structure and embedded URLs strongly indicate a malicious intent to redirect users to potentially harmful sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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.co/app/406889139/download-coin-master-free-spins-link-2021-today-game-hack In PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-free-2021-spin-link_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/codes-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-free-shield_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/how-to-get-free-robux-easy-2021_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/robux-free-gift-card_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-hackcom-xyz_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/robux-hack-free-robux_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-33-hack-version-download_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/free-roblox-website_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/free-robux-offers_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-free-spin_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/free-robux-meme_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-cheat-codes-free_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/freerobuxhack-us-2021_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/free-robux-hack-generator_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/minecraft-free-games-no-download_GM479516143.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/free-spin-coin-master-link-download_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-free-link_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/free-games-like-minecraft_GM479516143.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/roblox-free-robux-hack_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_off0000315b.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x315B	23596 bytes
SHA-256: `5541a63d7d15c46f53cdfccf1e600500ac958fac4551bfd5f9c89c7627493208`
`font_01_sfnt_off00006707.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6707	19504 bytes
SHA-256: `95988c68448a1ca754540d0d2f4ef0d2771c8f39fe215f992d1da7c8ae6d62cf`

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