PDF malware analysis — malicious · c9ec4bfb4f080af7

MALICIOUS

PDF

44.7 KB Created: 2021-06-03 08:48:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 8d60b3175527552c221c53ac22d0f25c SHA-1: ae36abb319d422f4ce04bb93cb090a4d9fa9fcac SHA-256: c9ec4bfb4f080af76a994e4f9ce4b0f983a05713a561f135cac036b7d885282d

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a high-severity heuristic firing for linking to a 'free generator / game hack' redirector, indicating a lure for potentially unwanted software or scam content. The document body, though heavily obfuscated, contains references to game hacks and download links, reinforcing this lure. No scripts were extracted, but the presence of embedded URLs suggests an attempt to redirect the user to malicious sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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/431946152/free-roblox-printables-game-hack PDF link annotation
- https://vierabyragazze.com/upload/files/how-to-download-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coin-master-34-4-hack_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coin-master-hack-apk-download-2021_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-diamonds-coin-master_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/how-many-levels-are-in-coin-master_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/get-robux-com_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-minecraft-servers-to-join_GM479516143.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/hack-coin-master-net_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/minecraft-hacker-skin_GM479516143.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/minecraft-for-macbook-free_GM479516143.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-robux-no-email_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coinmaster-fan-page_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/which-pubg-uc-is-best_GM1330123889.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/easy-coin-master-hack_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/is-minecraft-education-edition-free_GM479516143.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/best-free-spins-link-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_off000051ac.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x51AC	25348 bytes
SHA-256: `022d4b235c89142f558e29fff5014decb30501fab78d5373bba8ac4238d9afb9`
`font_01_sfnt_off00008b7b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8B7B	18552 bytes
SHA-256: `4229dcb1033c2214c22c2ce7fef2675aefed3814b9d932a68ba5770f56b27f64`

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