PDF malware analysis — malicious · 6363fcfbd5b88ed9

MALICIOUS

PDF

27.1 KB Created: 2021-05-15 01:37:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24

MD5: d7f2acc83c3bd37753cc59f9cb3152da SHA-1: 76d1b80c52d9957356538a28b693d956db9864fd SHA-256: 6363fcfbd5b88ed912d506207a0f2c24f8baf5b09d6232a676aecee08e06606d

74 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9994

Heuristics 3

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.
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/daily-free-spin-and-coin-game-hack PDF link annotation
- https://www.knjizara-harfa.rs/files/rbx-roblox_GM431946152.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/demon-roblox_GM431946152.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/free-coin-master-spins-for-today_GM406889139.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/how-to-get-more-robux_GM431946152.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/robuxglobalcom_GM431946152.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/free-spins-coin-master-april-2021_GM406889139.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/coin-master-free-attack_GM406889139.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/static-moonactive-net-rewards_GM406889139.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/coin-master-free-spins-gratis_GM406889139.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/hack-coin-master-game_GM406889139.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/coin-master-unlimited-spin-and-coin-hack_GM406889139.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/coin-master-200-spin-link_GM406889139.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/coin-master-heaven-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/static-moonactive-net-free-spins_GM406889139.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/coin-master-free-coins-and-spins-app_GM406889139.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/coin-master-hack-apk-free-download_GM406889139.pdfIn PDF document text
- https://www.knjizara-harfa.rs/files/how-to-get-coin-master-free-spins-in-email_GM406889139.pdfIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off000049bd.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x49BD	12723 bytes
SHA-256: `e535be2d0752d0c95e16061d1b3cd48f09112302416fbf95f74fe52514a93070`

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