Malicious PDF — malware analysis report

Static analysis result for SHA-256 86ad0a1779f2494c…

MALICIOUS

PDF

34.5 KB Created: 2021-07-05 19:40:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-21
MD5: bbdd114a0e08063964e5d19505ded859 SHA-1: e205b37cc19884908d9e2eb46af3cfbd61b0546f SHA-256: 86ad0a1779f2494ca001485b66d8a5b82a73468141219cb6f174a93f7602ebe4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to known malicious infrastructure, specifically promoting game hacks and generators. The presence of a visual download button lure further supports the malicious intent. The document's primary function appears to be directing users to potentially harmful websites through deceptive content.

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.tw/app/431946152/heroes-online-roblox-game-hack In PDF document text
    • https://learnwmf.org/image/data/files/free-roblox-codes-2021_GM431946152.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/coin-master-links-for-today_GM406889139.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/free-robux-generator-2021-no-download_GM431946152.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/minecraft-pe-hack-client-ios_GM479516143.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/free-robux-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/free-card-codes-generator-roblox_GM431946152.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/free-robux-group_GM431946152.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/how-to-get-free-wings-in-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/how-to-hack-your-roblox-account-for-robux_GM431946152.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/hack-robux-survey_GM431946152.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/free-roblox-acc_GM431946152.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/fake-hacker-id-roblox_GM431946152.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/mobihack-roblox-hack_GM431946152.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/my-robux_GM431946152.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/no-verification-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/hex-number-gives-free-robux_GM431946152.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/10-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/robuxmaniac-free-robux_GM431946152.pdfIn PDF document text
    • https://learnwmf.org/image/data/files/www-robux_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_off00002f20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F20 23096 bytes
SHA-256: b589187fdc327be394e1bfea090d62e88d24e2001c9d0cce42eca80fce863d7b
font_01_sfnt_off000062e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62E8 18608 bytes
SHA-256: 33248c1138d663f4f7d8a086266eca948d2c0a240b56e70760f45c3c841191a4

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