PDF malware analysis — malicious · 1e03808870bcfd44

MALICIOUS

PDF

47.1 KB Created: 2021-06-03 12:13:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 1c68bb25eb0b6e5ed454976b7bbffaea SHA-1: 3f30e6958e557b56f45b8d067a77849104737b23 SHA-256: 1e03808870bcfd44d0fd6469db33ba9d6b40bdce96ac393d4a20f1efb717dc33

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a prominent link disguised as a "Working Coin Master Hack 2021" lure, which redirects to a suspicious URL. This tactic is commonly used to trick users into visiting malicious sites, likely to download further malware or engage in phishing. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9769

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.online/app/406889139/working-coin-master-hack-2021-game-hack PDF link annotation
- https://www.insol-europe.org/uploads/files/files/minecraft-for-chromebook-free_GM479516143.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-links-coin-master_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/how-to-hack-roblox-on-mobile_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-spin-and-coin-blogspot_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/how-to-get-robux-on-phone_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/coin-master-cheat-free_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/coin-master-fan-page-free-spins_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/coin-master-free-blogspot_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/hack-the-coin-master_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/minecraft-free-app_GM479516143.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/open-coin-master_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/coin-master-time-hack_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/www-robux-redeem_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-robux-glitch-2021_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/minecraft-server-free-trial_GM479516143.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-minecraft-client_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_004_off00004fad.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4FAD	25212 bytes
SHA-256: `3eb8888c853c509ee844bbc4f112c36ddfe20e883d939949f99a8f43df35142f`
`font_01_sfnt_off00008a42.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A42	2820 bytes
SHA-256: `96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689`
`font_02_sfnt_off000093e3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x93E3	18604 bytes
SHA-256: `744d1e6e570083d44e7505cde547d0f6819516289f88227fe4d6f00d173cb084`

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