Malicious PDF — malware analysis report

Static analysis result for SHA-256 e04efcc750c3e82b…

MALICIOUS

PDF

34.3 KB Created: 2021-06-25 12:30:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: b2732b75f2f54e27a787f01ff0241ab3 SHA-1: ab2a83a2b59329d12e465feb4c4fe076bf95799d SHA-256: e04efcc750c3e82b4e555ec6231fd20a9872c0ec8cff4eba96248f9034493cbd
160 Risk Score

Malware Insights

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

This PDF document contains multiple links to external websites, including one identified as a malicious redirector. The document body and heuristics suggest a lure for 'game hacks' or 'free generators', indicating a social engineering tactic to trick users into visiting these sites. The primary IOC is the malicious redirector URL, which likely leads to a payload download or further malicious activity.

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/how-to-cheat-on-boxing-simulator-2-roblox-game-hack In PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/minecraft-java-code-free_GM479516143.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/coin-master-apk-hack-2021-ios_GM406889139.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/fighting-free-card-coin-master_GM406889139.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/rbxcity-free-robux_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/free-robux-codes-2021-april_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/roblox-quote-shirt-free_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/free-minecraft-account-generator_GM479516143.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/how-to-hack-someones-account-in-roblox-2021_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/coin-master-free-spin-link-twitter_GM406889139.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/a-free-8-pack-roblox-shirt_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/sop-free-private-server-roblox_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/free-minecraft-premium-account_GM479516143.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/free-coins-coin-master-today_GM406889139.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/coin-master-gameplay_GM406889139.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/how-to-download-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/robux-hack-ohne-handy_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/coin-master-hacks-no-surveys_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_off00002ec2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EC2 22156 bytes
SHA-256: 929f3e047fc8bee70a1cc07e7332e7695b9ce15b771b700f5b0bb703ef9359b3
font_01_sfnt_off00005faa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FAA 19564 bytes
SHA-256: 57ac572c6c9d72803df44af9335611044d25f385e813f5590b79a23f319b2af5

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