Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9c2bc4774f09e01…

MALICIOUS

PDF

39.8 KB Created: 2021-05-22 00:12:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5c530815c1c30accd008f337a561309e SHA-1: 618a56562b1d54bda4d91ed92ae3ae37b46dc826 SHA-256: e9c2bc4774f09e0143bc2e8a7f22962b19b7402bc9673409110346f387f8d1dd
160 Risk Score

Malware Insights

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

The PDF contains multiple links that redirect to malicious infrastructure, masquerading as game hacks or generators. The ML classifier also flagged this PDF as malicious. The embedded links likely lead to the download and execution of a second-stage payload, exploiting client execution vulnerabilities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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-build-hacks-game-hack In PDF document text
    • https://www.sensationboats.com/images/roblox-hack-download_GM431946152.pdfIn PDF document text
    • https://www.sensationboats.com/images/100-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
    • https://www.sensationboats.com/images/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://www.sensationboats.com/images/coin-master-hack-xyz-download-free_GM406889139.pdfIn PDF document text
    • https://www.sensationboats.com/images/free-coins-and-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_off0000341e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x341E 26036 bytes
SHA-256: e6b0b072cd76f797c8a6d180e38192eae0d89efa4fc855530a9e690b3df53af0
font_01_sfnt_off00006fc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FC6 3172 bytes
SHA-256: 319ec34db2b1516f93b08721287039509ef099bdde910106a954218f069d9dd8
font_02_sfnt_off00007a35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A35 18344 bytes
SHA-256: 504dc7aae18f41d03fb81a40dc2b00347564f3d62703eefd30bc8cf15d610b16

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