Malicious PDF — malware analysis report

Static analysis result for SHA-256 3bd422bca9a75e76…

MALICIOUS

PDF

39.1 KB Created: 2021-05-21 11:00:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9d65e2aad5ae4767b932df5e9d9991c6 SHA-1: 78de7118354a04e15af3195e43855f8093f9af03 SHA-256: 3bd422bca9a75e7673c795af10a0415e108a9756caa63704792f251a40ef6a7a
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to malicious redirectors and a raw IP address, disguised as a lure for 'free Minecraft hacks'. The embedded content and heuristics indicate a clear attempt to redirect users to potentially harmful sites. The presence of obfuscated text and links suggests an effort to download or host further malicious content.

Machine Learning

  • Nyx PDF Classifier clean score 0.0272

Heuristics 5

  • 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.
  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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/free-minecraft-hacks-game-hack In PDF document text
    • http://103.126.57.83/__statics/gudangsoal/files/coin-master-free_GM406889139.pdfPDF link annotation
    • https://education.minecraftIn 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
font_00_sfnt_off0000313d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x313D 28588 bytes
SHA-256: 66c4896aab9f1e9daca4d92139dce6c082505497de978fa80babe804385ddcc4
font_01_sfnt_off00006f73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F73 2896 bytes
SHA-256: e3d7f0a5ec0fea7a4db7bceed5e2684662589eb8697da7b7645d499373af479e
font_02_sfnt_off0000797d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x797D 17740 bytes
SHA-256: 02673fc9b31aa1f7767db1cd16a9f6370da751ac2c2fa3ca820772adadbcecd3

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