Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6e4343dd26003e0…

MALICIOUS

PDF

35.9 KB Created: 2021-06-26 11:42:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: fba591eef42002c81dd027a8ebbe3ad9 SHA-1: 5c281b1b12ef46e9dec7e3a6ccba2e2b17216885 SHA-256: e6e4343dd26003e0c04bc0eee248b3b33e3aa8afa072d666cea4ed9c4f8d2a6a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to a redirector URL, which is flagged as malicious. The document body and heuristics indicate a lure for free in-game currency or hacks, a common social engineering tactic. The presence of embedded URLs and the malicious redirector strongly suggest this document is part of a phishing or scam campaign designed to lead users to potentially harmful content or downloads.

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-robux-generator-without-human-verification-2021-game-hack In PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/coin-master-free-100-spin_GM406889139.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/roblox-cheat-codes_GM431946152.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/free-coin-master-androd-cheats-2021_GM406889139.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/free-items-code-on-roblox-catalog_GM431946152.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/free-robux-real_GM431946152.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/minecraft-115-2-hacks_GM479516143.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/roblox-admin-hack_GM431946152.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/robux-scam_GM431946152.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/free-robux-no-human-verification-and-no-survey_GM431946152.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/coin-master-heaven-free-spins-link_GM406889139.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/free-roblox-shirts-templates_GM431946152.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/free-roblox-gift-cards-december-2021_GM431946152.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/free-robux-download_GM431946152.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/minecraft-on-computer-free_GM479516143.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/coin-master-redeem-code-free_GM406889139.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-fast-and-easy_GM431946152.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/minecraft-auto-miner-hack_GM479516143.pdfIn PDF document text
    • https://elma.alazhar.sch.id/__statics/gudangsoal/files/google-moon-active_GM406889139.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_off00003375.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3375 22020 bytes
SHA-256: bd96436a22a691dfbba7ad7fc1d6b8481b1918ed7c48602a2aa6779e6603318a
font_01_sfnt_off0000644f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x644F 20100 bytes
SHA-256: de255a9aa3fe451a2975847cd243ac23070083bc6e6925f10a875b29127362ae

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