Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee1a2c7e589455be…

MALICIOUS

PDF

39.6 KB Created: 2021-05-17 16:34:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4980b35563ab4279fe6a27d866dfb396 SHA-1: 3b61e36e04e92b00451b7f5ab61136d2ad6deb0d SHA-256: ee1a2c7e589455be7844a8d365be82102c6dfe7cd608a74e4aa0298e37565e5b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to known malicious infrastructure, specifically promoting game hacks and generators. The ML classifier also strongly indicated maliciousness. The document body and embedded URLs suggest a lure for users seeking in-game currency or cheats, which is a common social engineering tactic to drive traffic to potentially harmful sites or downloaders.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9926

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/how-to-get-free-spins-and-coins-in-coin-master-game-hack In PDF document text
    • http://gingerscience.co.in/images/how-to-get-robux-on-phone_GM431946152.pdfIn PDF document text
    • http://gingerscience.co.in/images/hack-xp-net-generators-coin-master_GM406889139.pdfIn PDF document text
    • http://gingerscience.co.in/images/coin-master-hack-app-for-ios_GM406889139.pdfIn PDF document text
    • http://gingerscience.co.in/images/how-to-hack-someones-minecraft-account_GM479516143.pdfIn PDF document text
    • http://gingerscience.co.in/images/free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://gingerscience.co.in/images/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://gingerscience.co.in/images/coin-master-hack-apk-2021-download_GM406889139.pdfIn PDF document text
    • http://gingerscience.co.in/images/roblox-royale-high-diamond-hack_GM431946152.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
stream_003_off00003d0b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3D0B 28852 bytes
SHA-256: cab336f03127ec6f712163ba17b461c15daf81c9a615d740da484d260cfbdbad
font_01_sfnt_off0000795d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x795D 18224 bytes
SHA-256: 1a177d96c25f70e29c96d18ff08cc0e48255fbbd4539b1ca90a782c549603dc1

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