Malicious PDF — malware analysis report

Static analysis result for SHA-256 47291ee4b758d3a2…

MALICIOUS

PDF

31.3 KB Created: 2021-07-20 21:00:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0a011722f4334ce34f721785eeda8c29 SHA-1: e089aa5566911dfebe71b129a2bb09569104ebb0 SHA-256: 47291ee4b758d3a2abeeaaa3ba8bb22aa9f583dbef2736b22b22291456537818
160 Risk Score

Malware Insights

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

The PDF document contains multiple links to known malicious redirectors and lures users with themes like 'game hacks' and 'free generators'. The primary redirector URL, http://netcdn.tw/app/479516143/can-you-make-a-minecraft-server-for-free-game-hack, is directly associated with a 'game hack' lure. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lures suggest an attempt to deliver a second-stage payload or lead the user to a phishing site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9893

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.tw/app/479516143/can-you-make-a-minecraft-server-for-free-game-hack In PDF document text
    • http://www.imwd.it/images/free-robux-not-fake_GM431946152.pdfIn PDF document text
    • http://www.imwd.it/images/free-tiktok-bots_GM835599320.pdfIn PDF document text
    • http://www.imwd.it/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://www.imwd.it/images/free-tiktok-followers-no-downloads_GM835599320.pdfIn PDF document text
    • http://www.imwd.it/images/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://www.imwd.it/images/real-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://www.imwd.it/images/adopt-me-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://www.imwd.it/images/robux-hack_GM431946152.pdfIn PDF document text
    • http://www.imwd.it/images/free-tiktok-like_GM835599320.pdfIn PDF document text
    • http://www.imwd.it/images/free-tiktok-hearts_GM835599320.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_off000028a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x28A5 21840 bytes
SHA-256: 6daac41a43b2e99ddd3f161edf9f519638a1bd96d1e7859e1d29cbe8d1084e1b
font_01_sfnt_off0000585c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x585C 18296 bytes
SHA-256: 7b2a5025a6b2eafbb08597cb19c0e2dd24287b9ce61b32a45f1f6eb7f3859dea

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