Malicious PDF — malware analysis report

Static analysis result for SHA-256 aeadaa1de790aa38…

MALICIOUS

PDF

40.4 KB Created: 2021-05-21 04:11:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 149959eb3daf92b793736a573237f614 SHA-1: 565d64a9f5c488a2f1b9e400e4788a47e0fe01ba SHA-256: aeadaa1de790aa38d79963d835fe81782cc0d03428868fb8ade3151e9688450e
160 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically disguised as a 'free generator / game hack'. The document body and embedded URLs further reinforce this by pointing to sites offering game-related cheats and downloads. The ML classifier also flagged this PDF as malicious. The primary attack vector appears to be luring users to click malicious links that lead to further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7776

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/479516143/minecraft-free-download-pc-game-hack In PDF document text
    • http://itbits.ie/images/roblox-hack-com_GM431946152.pdfIn PDF document text
    • http://itbits.ie/images/coin-master-spin-link-today_GM406889139.pdfIn PDF document text
    • http://itbits.ie/images/how-to-change-your-roblox-username-for-free-2021_GM431946152.pdfIn PDF document text
    • http://itbits.ie/images/minecraft-free-no-download_GM479516143.pdfIn PDF document text
    • http://itbits.ie/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003416.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3416 27672 bytes
SHA-256: 08f1bc3edf2735ba346cc73b61ef453f931a2e20c9010fdf9a1a98eea1f7c6fe
font_01_sfnt_off00007224.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7224 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00007c0f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C0F 18444 bytes
SHA-256: 064b6ae6fa3971595f13ccf6914158de219c664ec1a7cfca763d46b46d8283c4

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