PDF malware analysis — malicious · f3ee3ec64a091a64

MALICIOUS

PDF

46.6 KB Created: 2021-05-17 12:19:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: c528e319d697d10e06708d45db1a749d SHA-1: d2e615b6ac569135a877d7f400134d220df9af7e SHA-256: f3ee3ec64a091a6433b0a5c533ce79412581bab3a0f06aac765c2f12ab878db5

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains a lure related to game hacks and free items, directing users to external URLs. The presence of a 'download button' heuristic suggests a potential for further malicious activity, such as downloading a second-stage payload. The ML classifier also flagged this PDF as malicious, increasing confidence in its malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.8948

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.xyz/app/479516143/how-to-make-a-free-minecraft-account-game-hack PDF link annotation
- https://www.acacss.com/images/free-robux-with-no-verification_GM431946152.pdfIn PDF document text
- https://www.acacss.com/images/coin-master-free-coins-link-blogspot_GM406889139.pdfIn PDF document text
- https://www.acacss.com/images/www-coinmaster_GM406889139.pdfIn PDF document text
- https://www.acacss.com/images/minecraft-free-play-no-download_GM479516143.pdfIn PDF document text
- https://www.acacss.com/images/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
- https://www.acacss.com/images/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
- https://www.acacss.com/images/free-roblox-gfx_GM431946152.pdfIn PDF document text
- https://www.acacss.com/images/roblox-army-free-robux_GM431946152.pdfIn PDF document text
- https://www.acacss.com/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.acacss.com/images/descargar-hack-coin-master_GM406889139.pdfIn PDF document text
- https://www.acacss.com/images/roblox-points_GM431946152.pdfIn PDF document text
- https://www.acacss.com/images/hack-my-game-xyz-coin-master_GM406889139.pdfIn PDF document text
- https://www.acacss.com/images/free-coin-master-spins-daily_GM406889139.pdfIn PDF document text
- https://www.acacss.com/images/coin-master-free-spins-may-11-2021_GM406889139.pdfIn PDF document text
- https://www.acacss.com/images/legitimate-coin-master-free-spins-apk_GM406889139.pdfIn PDF document text
- https://www.acacss.com/images/free-robux-mobile_GM431946152.pdfIn PDF document text
- https://www.acacss.com/images/legit-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.acacss.com/images/minecraft-hacked-client-18_GM479516143.pdfIn PDF document text
- https://www.acacss.com/images/free-money-and-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.acacss.com/images/coin-master-hack-xyz-download-free_GM406889139.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_off00004e81.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4E81	26356 bytes
SHA-256: `482b0cae72187d17ad30c9ce7d1ed6156454bd2921c3b071554c211c57315d2b`
`font_01_sfnt_off00008a13.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A13	2940 bytes
SHA-256: `eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a`
`font_02_sfnt_off00009423.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9423	18184 bytes
SHA-256: `bb3a0a4586b51fc8698e669ea20f2ecbaf427fada810018023c6f73fcdfeaac9`

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