Malicious PDF — malware analysis report

Static analysis result for SHA-256 a06c227d0a094942…

MALICIOUS

PDF

42.2 KB Created: 2021-05-23 05:43:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: eb82caf1c691a536d186e87cab43b1cf SHA-1: db6009fa1c17bc7c3240d2a42b844c8143e4e312 SHA-256: a06c227d0a09494289e0191b0225267e77aec5411bc826d9d259c71bd3642637
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links, with a primary link pointing to a website offering a 'free generator / game hack'. This lure is designed to entice users to click through to a potentially malicious site. The document body also contains a call-to-action phrase, reinforcing the deceptive nature of the content. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest a malicious workflow aimed at redirecting users to external content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8161

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/479516143/minecraft-bedrock-free-game-hack PDF link annotation
    • http://poonhilltreks.com/userfiles/files/coin-master-free-spin-now_GM406889139.pdfIn PDF document text
    • http://poonhilltreks.com/userfiles/files/play-games-for-robux_GM431946152.pdfIn PDF document text
    • http://poonhilltreks.com/userfiles/files/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • http://poonhilltreks.com/userfiles/files/how-to-get-roebucks_GM431946152.pdfIn PDF document text
    • http://poonhilltreks.com/userfiles/files/free-minecraft-java-edition-codes_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000358b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x358B 24940 bytes
SHA-256: dfa0109661cae74f4d161577e6a85db61c5b00dad6e986670841cc88b4b7feaf
font_01_sfnt_off00006efe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EFE 3020 bytes
SHA-256: f1a29adcea636583330be8db4f6466410de551ac48576b9e1aa5c34e2d665a1f
font_02_sfnt_off00007952.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7952 2816 bytes
SHA-256: 4555740682277f0055d57b15bd0ba953e5b51415ea3d21c93db391eace072d4f
font_03_sfnt_off00008362.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8362 18268 bytes
SHA-256: 421dc37018d5e6f1467ffbccbacebf5894202cb157ac672e86022266516fa266

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