Malicious PDF — malware analysis report

Static analysis result for SHA-256 6562556a04c7ee2f…

MALICIOUS

PDF

44.7 KB Created: 2021-06-04 03:10:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-23
MD5: 6faf27ec8f22c11a9b2be25e056782b5 SHA-1: bb715aa87cc449082e66f207b1552106696aa782 SHA-256: 6562556a04c7ee2fb75f675baf4fd04080d49c46e929d63ceb7157d653541177
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains embedded links that redirect to known malicious infrastructure, specifically promoting 'free generators' or 'game hacks'. The presence of a visual download button further supports the lure. The document's primary function appears to be directing users to potentially harmful websites, likely for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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 https://netcdn.online/app/479516143/minecraft-jar-free-game-hack In PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/robux-free-co_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/hack-coin-master-with-lucky-patcher_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/roblox-report-hacker_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/free-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/coin-master-hack-apk-33-download_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/rbx-website_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/coin-master-hack-pc-free_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/hack-coin-master-online_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/how-to-get-free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/how-do-i-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/www-coinmaster_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/instantrobux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/minecraft-free-download-android-apk_GM479516143.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/how-to-hack-in-roblox-prison-life_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/free-coin-and-spin-for-coin-master_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/free-robux-codes-no-human-verification_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
stream_004_off00005337.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5337 25784 bytes
SHA-256: bb1b38f30e63e5cd077d0c2f2e23effd7de8a307f704eb678dab571ba58e27ec
font_01_sfnt_off00008df9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DF9 17736 bytes
SHA-256: 79a8d26c7b4d0bdcab91bfdb774fad33c03b2ac78af62cbe496150d9ab38cc45

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