PDF malware analysis — malicious · ddd9ced18ed7205e

MALICIOUS

PDF

41.6 KB Created: 2021-05-12 02:05:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: be2401d9041bd002b40829ba8c185ff5 SHA-1: 0006c43c66d563bb1116b79a39f372c585838b2c SHA-256: ddd9ced18ed7205e4e1a2a6e7af8a2510281dc24d24e1a6661999e26abb71129

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a high-confidence heuristic indicating it links to a 'free generator / game hack' redirector. The document body and extracted URLs reinforce this, presenting lures for game hacks and free in-game currency. The primary IOC is the malicious redirector URL, which likely leads to a download of a second-stage payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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/406889139/coin-master-game-download-free-game-hack PDF link annotation
- https://www.orbai.ai/uploaded_files/userfiles/files/100-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/roblox-comcom_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/free-robux-just-click_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/how-to-get-more-robux_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/can-you-hack-coin-master_GM406889139.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/how-to-get-minecraft-coins-for-free_GM479516143.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/google-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/how-to-get-free-robux-in-2021_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/free-robux-generator-2021-no-survey_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/coin-master-free-spins-link-today-hack_GM406889139.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/kuso-icu-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/roblox-fly-hack_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/free-robux-accounts_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/coin-master-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/robux-adder_GM431946152.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/hack-de-coin-master_GM406889139.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/coin-master-free-spins-hack-ios_GM406889139.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/coin-master-gameplay_GM406889139.pdfIn PDF document text
- https://www.orbai.ai/uploaded_files/userfiles/files/roblox-no-download-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_003_off00004810.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4810	24248 bytes
SHA-256: `6d9127d320d1cd2026593f11425f88eaf2a493696a5341cfcc5bb8406b51e8bb`
`font_01_sfnt_off00007f94.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F94	18548 bytes
SHA-256: `bf0010eea28238cadeb536793d42f80382de1e22dde51f6e5fd1d23f73abc266`

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