Malicious PDF — malware analysis report

Static analysis result for SHA-256 0722df980ef5e024…

MALICIOUS

PDF

35.4 KB Created: 2021-06-22 00:35:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 281de5641ea402789806f4ab5d23bc8f SHA-1: 18adfe75094bc3d9bd3d63e4ec2866a8f5de0928 SHA-256: 0722df980ef5e02404e014b4757a6803716ad169a58ed4023bcda059fcaf4cf2
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains lures for game hacks and free currency, directing users to external URLs. The ML classifier strongly indicated maliciousness, and the presence of embedded URLs suggests a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document, likely intended to trick users into downloading further malicious content.

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.co/app/431946152/roblox-maps-free-download-game-hack PDF link annotation
    • http://parsbaft.com/images/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-money-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-swordburst-online-level-hack_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/cool-free-clothes-on-roblox_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-minecraft-shaders_GM479516143.pdfIn PDF document text
    • http://parsbaft.com/images/free-robux-with-no-survey_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/new-free-money-links-coin-master_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/universal-minecraft-converter-free_GM479516143.pdfIn PDF document text
    • http://parsbaft.com/images/moon-active-games_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-land-free-robux_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/coin-master-hack-version-download-2021-ios_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/adopte-me-hack-project-alpha-300-roblox_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/freerobux-hack-us_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-robux-hacls-no-download-survey-or-verification_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/safe-hack-for-coin-master-android_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/object-demonius-free-roblox_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-robux-without-doing-anything_GM431946152.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.

FilenameKindSourceSize
font_00_sfnt_off0000316d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x316D 22476 bytes
SHA-256: 63d10fb9c3e3a6c0a493d935fcc338204e2d94567bc8e67b1e915e8cb7e6f808
font_01_sfnt_off000063ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63AD 19528 bytes
SHA-256: b64b152cb72f88ab1dd60886512d357c696c2e9d85cca079e3cae0716d76bf1b

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