Malicious PDF — malware analysis report

Static analysis result for SHA-256 792e2fef26470cf6…

MALICIOUS

PDF

34.3 KB Created: 2021-06-18 04:57:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8642078e133ade74c789f4da99de16dd SHA-1: ad3ee0aa507f90df7b4056a7b26dfa09bb625926 SHA-256: 792e2fef26470cf6f52432ea9178d3e04184a8f95b68d819f941f0f1d55287ac
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one pointing to known malicious redirector infrastructure at http://netcdn.co/app/431946152/get-free-robux-generator-game-hack. The document body and embedded links suggest a lure for free game currency or hacks, a common social engineering tactic. While no scripts were explicitly extracted, the PDF structure and embedded links indicate a malicious intent to redirect users to potentially harmful sites.

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/get-free-robux-generator-game-hack In PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/coin-master-apk-hack-2021_GM406889139.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/free-robux-co_GM431946152.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/roblox-admin-hack_GM431946152.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/free-minecraft-codes-2021_GM479516143.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/coin-master-daily-free-coins-link-today_GM406889139.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-for-cumputer_GM431946152.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/free-cruch-skin-for-roblox_GM431946152.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/coin-master-email-free-spins_GM406889139.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/hacks-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/roblox-character-free_GM431946152.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/coin-master-hack-2021-app-download_GM406889139.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/free-roblox-shirts-templates_GM431946152.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/coin-master-hack-app_GM406889139.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/fast-run-cheat-roblox_GM431946152.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • https://belajar.mtsn4malang.sch.id/__statics/gudangsoal/files/how-to-scam-on-roblox_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_off0000324f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x324F 21628 bytes
SHA-256: 5481eb863115105b339d04ef13103f30003b3da169a46f9ddc94d516da987787
font_01_sfnt_off000061c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61C7 18820 bytes
SHA-256: 3cf5f9b00a39f0cfcbee830171857ad484f6534b8809920e240be9eaf31d3faa

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