PDF malware analysis — malicious · acfed7688c234be9

MALICIOUS

PDF

34.9 KB Created: 2021-07-04 23:20:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 16203ce79e5582a519e4d24cff331eea SHA-1: 364dfb801ddf0c14148efec0dcaccf3dfa1b000e SHA-256: acfed7688c234be93a91dffcc11803ed54768c47df4cdabe4e935338b49e1289

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/406889139/coin-master-free-coins-spins-game-hack PDF link annotation
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/roblox-robux-hack-generator-2021_GM431946152.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/coin-master-golden-cards-hack_GM406889139.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/coin-master-hack-game_GM406889139.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/free-coin-master-coins-and-spins_GM406889139.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/free-minecraft-videos_GM479516143.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/compile-roblox-hack-dll_GM431946152.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/free-account-roblox-with-robux_GM431946152.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/robux-game-com_GM431946152.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/legit-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/free-role-in-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/hack-coin-master-android_GM406889139.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/free-robux-real-working_GM431946152.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/ho-to-get-min-on-roblox-for-free_GM431946152.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/roblox-arsenal-hacks-download_GM431946152.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/does-roblox-detect-hacks_GM431946152.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/how-to-be-a-hacker-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/coin-master-heaven-free-spins-today_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_off00003185.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3185	23352 bytes
SHA-256: `cc239651b45a7bad9d7c6075a8d0bbf3b8fb06e7cf5df5f385a439187216b6eb`
`font_01_sfnt_off0000663c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x663C	18176 bytes
SHA-256: `c90cd52c690b3b1dd04b69356ad4f8db221968fb130a3d2ff71dcd50323a1a90`

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