PDF malware analysis — malicious · a3625d3ceb22b512

MALICIOUS

PDF

35.4 KB Created: 2021-07-06 09:46:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: cf765ddd23970ba6d3015403d1e0e210 SHA-1: 9f0438d4f826018ea07d9bd76052e0c78ca1b190 SHA-256: a3625d3ceb22b512fb0c025f04e95c2d1bede092e2353a9465f641eb46488a2d

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

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

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.tw/app/431946152/roblox-hack-me-robux-game-hack PDF link annotation
- https://elearning.misalifadah.com/__statics/gudangsoal/files/hack-free-spin-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/roblox-hack-exploit-troll_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/free-robux-just-click_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/adopt-me-hack-roblox_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/hack-booga-booga-roblox-gratuit-2021_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/coin-master-hack-online_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/mcpe-client_GM479516143.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/como-hackear-roblox-con-cheat-engine-robux_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/coin-master-fan-page-free-spins_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/septical-roblox-cheating_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/how-to-hack-prestonplayz-roblox-account_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/free-robux-really-works-2021_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/free-robux-no-offers-or-survey-2021_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/roblox-hack-ga_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/free-pet-snacks-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/free-minecraft-alts_GM479516143.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/coin-master-tiradas-gratis-link_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_off000032a0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32A0	22696 bytes
SHA-256: `5d138db8fe7ca7e38f2dce4d2c3c9957db884f78aae99b75f21e664c1a09561b`
`font_01_sfnt_off000065ad.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x65AD	18992 bytes
SHA-256: `86b86f91b54ee921683d76bd91845474e74a2f02ddd9d950759e972449d3ecfc`

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