Malicious PDF — malware analysis report

Static analysis result for SHA-256 8096394e2e90e563…

MALICIOUS

PDF

49.3 KB Created: 2021-06-03 12:54:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 025495f5fa87272cf1bed1d5a4b01021 SHA-1: 45c04b6e08931251ac51cfe8c23e5a600fdfa39f SHA-256: 8096394e2e90e563d925e887d44f6c9e695afdc6d281cd68bebf2b1e8110f066
160 Risk Score

Malware Insights

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

The PDF contains multiple links to redirectors that host game hacks and cheats, masquerading as legitimate downloads. The primary malicious link is https://netcdn.online/app/406889139/coin-master-hack-tool-no-human-verification-game-hack, which is flagged as malicious infrastructure. The document's structure and embedded links suggest an attempt to trick users into downloading potentially harmful content, likely leading to further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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/406889139/coin-master-hack-tool-no-human-verification-game-hack In PDF document text
    • http://slims.abulyatama.ac.id/repository/how-to-get-minecraft-bedrock-edition-on-pc-for-free_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/how-to-use-scripts-in-roblox-hack_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/coin-master-cheats-free-spins_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/best-free-minecraft-servers_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/pokemon-go-free-and-switch-connect_GM1094591345.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-hack-tool-pc_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/minecraft-noob-vs-pro-vs-hacker-vs-god_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/how-to-hack-roblox-passwords_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-robux-group-payouts_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/coin-master-hack-online-no-human-verification_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/teach-me-to-hack_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/kuso-icu-roblox-hack_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/how-to-get-minecraft-for-free-on-laptop_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/robux-app_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/minecraft-apk-download-free-11-055_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/how-to-get-free-robux-on-chromebook_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/master-coin-free-link_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-free-coins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/minecraft-bedrock-free-download_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005149.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5149 29736 bytes
SHA-256: ace6136822a76ac39db7bc71ed88e22a92032ebbe18e949318c2d615c5c752c3
font_01_sfnt_off00009470.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9470 2840 bytes
SHA-256: 30dce2b9c1950da345d7fed8f00c38887adfa2f2ddecc31775af2315e819ac37
font_02_sfnt_off00009e22.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9E22 18324 bytes
SHA-256: 5d68777a78810bbeddf54f77e6d16d790f52e44d40945c316f4b63d7801a6e5b

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