PDF malware analysis — malicious · 13396cd31f84bdb4

MALICIOUS

PDF

33.4 KB Created: 2021-07-04 09:58:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 09005c026285df3833e72f10c928cd8d SHA-1: c45768759a65652070014bb09748adb5a54405b1 SHA-256: 13396cd31f84bdb4f17c90aff885c5724c4ba4c7743896307f295d9a26df2f31

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to sites offering 'free game hacks' and generators, a common lure for malware distribution or phishing. The ML classifier strongly indicated maliciousness, and the presence of multiple game-related lures suggests a campaign targeting gamers. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious download or redirection workflow.

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/spin-coin-master-free-game-hack PDF link annotation
- http://elearningman2jember.com/__statics/gudangsoal/files/coin-master-free-attack_GM406889139.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/free-minecraft-java-account_GM479516143.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/tryrbx-site-free-robux_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/what-will-happen-if-you-hack-for-robux_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/free-minecraft-bedrock-server-hosting_GM479516143.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/dominus-roblox-free_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/free-gfx-roblox_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/roblox-hack-2021-admin-commands_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/download-rc7-roblox-hack_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/how-to-hack-coin-master-using-es-filer_GM406889139.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/free-games-like-roblox_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/roblox-free-clothes-in-catalog_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/roblox-girl-avatar_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/androeed-ru-minecraft_GM479516143.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/free-robux-working_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/free-robux-robloxwin_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/free-minecraft-java-edition_GM479516143.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/free-robux-for-kids-no-verification_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/hackear-coin-master-sin-verificacion_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_off00002e3d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E3D	22468 bytes
SHA-256: `27efbad3639563dd6f4032101c12d010af50a4ac0959588860df99e009c4ccfa`
`font_01_sfnt_off00006022.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6022	18176 bytes
SHA-256: `1096432c91a33187bc9c09511f00b7fa0c2395c0afe101c31e464ccb2ed8743e`

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