Malicious PDF — malware analysis report

Static analysis result for SHA-256 0aad2b41f703a6d3…

MALICIOUS

PDF

34.6 KB Created: 2021-06-28 10:10:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 626e55595c2960cbe686388b05771fde SHA-1: 5cef04696286ac747564ced56a8a3c1b19fd2d8f SHA-256: 0aad2b41f703a6d3652ab49857be2eaf8e7ca29c5f1fc9f9be636220e4d07eaf
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free Robux and game hacks to trick users into clicking malicious links. The primary link directs to a known malicious redirector infrastructure, likely serving as a gateway to further malicious content or downloads. No scripts were extracted, but the document's structure and embedded URLs strongly indicate a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/stealing-robux-hack-game-hack In PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/apps-for-free-robux_GM431946152.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/how-to-fly-hack-on-roblox-with-cheat-engine-63_GM431946152.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/free-robux-live_GM431946152.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/project-alpha-roblox-cheats_GM431946152.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/free-robux-reddit_GM431946152.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/orewards-com-free-robux_GM431946152.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/coin-master-hack-ios-apk_GM406889139.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/easiest-character-to-make-an-roblox-account-for-free_GM431946152.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/wahoo-gaming-co-free-robux_GM431946152.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/coin-master-heaven-free-spins_GM406889139.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/how-to-get-a-free-redeem-code-for-roblox_GM431946152.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/free-roblox-party-favor-tags_GM431946152.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/coinmaster-hack_GM406889139.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/tiktok-likes-free_GM835599320.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/code-roblox-games-for-free_GM431946152.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/how-to-get-free-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/hacks-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/coin-master-free-link-today_GM406889139.pdfIn PDF document text
    • http://perpusfkip.upstegal.ac.id/repository/best-free-level-7-full-script-executor-for-roblox_GM431946152.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_002_off00002f8d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2F8D 22592 bytes
SHA-256: 8a3cb96e37497002c80edde1913ed9ce505e5fdd3e2293fa70102f37cb17cfd5
font_01_sfnt_off00006227.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6227 19020 bytes
SHA-256: 0ee3959fb101281983963c9ae3156fdaa98dd4da328cc273df7bdfb3491258d2

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