Malicious PDF — malware analysis report

Static analysis result for SHA-256 b090e84f5b38c2ba…

MALICIOUS

PDF

33.0 KB Created: 2021-06-22 11:13:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: 68583ddcc96f4bbe578cf724d2f69205 SHA-1: a43f866b1292b9a0475f4bff2395a9270eb5b4af SHA-256: b090e84f5b38c2ba90ad857ded07372fa7e3a0cae52bd3c6bfd9b631d73e67b4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, specifically advertising free game passes and hacks. The primary lure URL is http://netcdn.co/app/431946152/free-gamepasses-all-roblox-game-hack, which is associated with known malicious redirectors. The document body and heuristics confirm the intent to trick users into clicking these links, likely leading to further malware downloads or phishing pages.

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/free-gamepasses-all-roblox-game-hack In PDF document text
    • http://force-seniorklub.dk/images/coin-master-hack-android-2021_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-robux-and-tickets-generator-2021-no-survey-no-download_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/how-to-create-group-in-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/robux-hack-download-pc-2021_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/how-to-get-free-robux-without-surveys_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/minecraft-free-download-chromebook_GM479516143.pdfIn PDF document text
    • http://force-seniorklub.dk/images/boxing-simulator-2-roblox-hack_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/get-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/roblox-gun-script-hack_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/hack-para-mad-city-roblox-2021_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/roblox-that-is-free_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-coin-master-links_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-err-face-roblox_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/roblox-infinite-health-hack-download_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_off00002c16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C16 21768 bytes
SHA-256: 67401372e33bcfed95cebfbed1840c7431ddf5d5025efabf39f71c7535d03def
font_01_sfnt_off00005bb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BB5 19088 bytes
SHA-256: 886ce7788483a23003ab153e446c4b74990c64a1c0a72f48369a24fc89aaf743

Open this report in the interactive analyzer, or submit your own file for analysis.