Malicious PDF — malware analysis report

Static analysis result for SHA-256 83b4c04ac2993538…

MALICIOUS

PDF

42.3 KB Created: 2021-05-12 13:34:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: bcde02b288f7e52409246b4042a686ad SHA-1: 93192de31f2fbf06abf6c20c0e4268817b840523 SHA-256: 83b4c04ac2993538f61fd34362b5c0cd0e85493dfd9d318689982ada58974015
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure for game-related cheats and hacks to trick users into clicking malicious links. The primary link redirects to known malicious infrastructure, indicating a phishing or scam attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a malicious intent to redirect users to potentially harmful content or further stages of an attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/406889139/coin-master-free-spins-hack-2021-game-hack In PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/how-to-get-free-things-on-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/how-do-i-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/roblox-free-hair-girl_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/coin-master-free-spin-and-coins-fbid-links_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/how-do-u-hack-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/coin-master-hack_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-spins-coin-master-apple_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/coin-master-hacks-no-human-verification_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/bux-gg-robux-free_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/roblox-hack-app_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-xbox-one_GM479516143.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-minecraft-texture-packs_GM479516143.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/legit-coin-master-hack-october-2021_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-robux-redeem-codes-2021_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/minecraft-redeem-code-free-2021_GM479516143.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/get-coin-master-free-spin_GM406889139.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004943.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4943 24968 bytes
SHA-256: 12d2902a266953b097066fa493de3089b411e25b5c5e4680ab28ad5f8bdb116a
font_01_sfnt_off0000827a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x827A 18456 bytes
SHA-256: a585848d53eaea1bda4e1de9ee00cb9d2c4270f04f2766c3858066f184342be0

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