Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8aaf961e01d1ab3…

MALICIOUS

PDF

41.3 KB Created: 2021-05-20 02:40:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 59cdddb62e000bd738be59932db40a7d SHA-1: 51da077da32c0f85000149dc9e721f495a9bb39b SHA-256: f8aaf961e01d1ab312272182ff230826e978b1f8e466c7e28b208087d115461d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a lure for game hacks, specifically targeting popular games like Roblox and Minecraft. The primary link directs to a site promising free Robux, which is a common lure for phishing or scam operations. While no scripts were directly extracted, the PDF structure and embedded URIs suggest an attempt to redirect the user to malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/431946152/easy-way-to-get-free-robux-game-hack PDF link annotation
    • http://santeh-40.ru/images/free-roblox-glasses_GM431946152.pdfIn PDF document text
    • http://santeh-40.ru/images/collect-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
    • http://santeh-40.ru/images/roblox-hack_GM431946152.pdfIn PDF document text
    • http://santeh-40.ru/images/minecraft-pocket-edition-hack_GM479516143.pdfIn PDF document text
    • http://santeh-40.ru/images/noob-vs-pro-vs-hacker-vs-god-minecraft_GM479516143.pdfIn PDF document text
    • http://santeh-40.ru/images/coin-master-daily-free-coins-link_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/coin-master-hack-app-android_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
    • http://santeh-40.ru/images/roblox-online-free_GM431946152.pdfIn PDF document text
    • http://santeh-40.ru/images/minecraft-free-edition_GM479516143.pdfIn PDF document text
    • http://santeh-40.ru/images/coin-master-spins-hack-2021_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/coin-master-download-hack_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://santeh-40.ru/images/roblox-group-free-robux_GM431946152.pdfIn PDF document text
    • http://santeh-40.ru/images/free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/appsmob-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/coin-master-free-500-spins-link_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/coin-master-free-coins-link-facebook_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/get-free-spins-on-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004465.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4465 25464 bytes
SHA-256: 352b0d08326ca690adcca631d3c747c3569d340aa56e8ba401a0e80b1ad9b08a
font_01_sfnt_off00007d91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D91 18724 bytes
SHA-256: ff2b5f5648817baecf5754646eae61914eefadf3856a555e8e6cbc13d6b08405

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