PDF malware analysis — malicious · 1e2fc57caadaadee

MALICIOUS

PDF

35.2 KB Created: 2021-06-21 03:13:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 4d31842425a2bb6eea2cc49f9fcfd8aa SHA-1: 6b8b63f91aaf647e9917e2da7592b0f7e4dde7a9 SHA-256: 1e2fc57caadaadee682d1c66e59fd7f0dca50190912b12b596913e5139634922

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a lure for a 'free generator / game hack'. The primary URL, http://netcdn.co/app/406889139/free-coin-master-links-game-hack, is directly linked to the malicious classification. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly suggest a social engineering tactic to redirect users to potentially malicious content or downloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/406889139/free-coin-master-links-game-hack PDF link annotation
- http://www.africanearthgroup.com/uploads/files/files/coin-master-apk-hack-3527_GM406889139.pdfIn PDF document text
- http://africanearthgroup.com/uploads/files/files/google-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://africanearthgroup.com/uploads/files/files/hacks-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
- http://africanearthgroup.com/uploads/files/files/roblox-com-free-play_GM431946152.pdfIn PDF document text
- http://africanearthgroup.com/uploads/files/files/woman-roblox_GM431946152.pdfIn PDF document text
- http://www.africanearthgroup.com/uploads/files/files/easy-coin-master-hack_GM406889139.pdfIn PDF document text
- http://africanearthgroup.com/uploads/files/files/op-rewards-free-robux_GM431946152.pdfIn PDF document text
- http://www.africanearthgroup.com/uploads/files/files/coin-master-hack-spins-free_GM406889139.pdfIn PDF document text
- http://www.africanearthgroup.com/uploads/files/files/minecraft-server-hacks_GM479516143.pdfIn PDF document text
- http://africanearthgroup.com/uploads/files/files/how-to-get-free-robux-fast-and-easy_GM431946152.pdfIn PDF document text
- http://africanearthgroup.com/uploads/files/files/coin-master-free-spins-ios-app_GM406889139.pdfIn PDF document text
- http://africanearthgroup.com/uploads/files/files/pubg-uc-xda_GM1330123889.pdfIn PDF document text
- http://www.africanearthgroup.com/uploads/files/files/free-roblox-account-cracker_GM431946152.pdfIn PDF document text
- http://www.africanearthgroup.com/uploads/files/files/roblox-royale-high-diamond-hack_GM431946152.pdfIn PDF document text
- http://www.africanearthgroup.com/uploads/files/files/roblox-cheat-engine-robux-hacks-2021_GM431946152.pdfIn PDF document text
- http://africanearthgroup.com/uploads/files/files/free-robux-codes_GM431946152.pdfIn PDF document text
- http://www.africanearthgroup.com/uploads/files/files/no-verification-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.africanearthgroup.com/uploads/files/files/free-robux-site_GM431946152.pdfIn PDF document text
- http://www.africanearthgroup.com/uploads/files/files/how-to-get-free-robux-codes-2021_GM431946152.pdfIn PDF document text
- http://www.africanearthgroup.com/uploads/files/files/how-to-get-free-coins-on-coin-master_GM406889139.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
`font_00_sfnt_off000031dc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31DC	23620 bytes
SHA-256: `031033f7eed1c47f3e4ba8b6501fc49fa50f0916431779412fc1399cdd442bb6`
`font_01_sfnt_off0000672f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x672F	18168 bytes
SHA-256: `8de0148014db431be508c837079dea1fd88eb4d3bf9aad0e575fcfb6a46af486`

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