Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d5e05f4ce0e38fe…

MALICIOUS

PDF

39.7 KB Created: 2021-05-21 08:24:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7e0adcc30ca32b35cb37753f018907e3 SHA-1: d517940eb875dc0a7c4e1c802711f49391805bb7 SHA-256: 1d5e05f4ce0e38fe26abd9788d92a9f3b4c38fdf1764edfb97b4ccb177eb0322
160 Risk Score

Malware Insights

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

The PDF document contains multiple links that redirect to malicious infrastructure, masquerading as game hacks and generators. The heuristic firings indicate the presence of malicious redirector links and a lure for game hacks. While no scripts were explicitly extracted, the nature of the links and the ML classifier output suggest an attempt to exploit vulnerabilities or trick the user into downloading further malicious content.

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-diamond-finder-hack-game-hack In PDF document text
    • http://jdlrelocation.com/images/coin-master-free-spins-link-facebook_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/www-claim-gg-to-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/minecraft-mod-menu_GM479516143.pdfIn PDF document text
    • http://jdlrelocation.com/images/coin-master-hack-no-verification-no-signup_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_off0000339c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x339C 25880 bytes
SHA-256: 28adea59865a1dba7450eeffed947f7952d2b3d03e59385263e655ed5d5151cc
font_01_sfnt_off00006e9f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E9F 3092 bytes
SHA-256: 6b375fd343a0c9eb60fee9dd73d2d3ef9100745d859d662fa0c6a991281194f9
font_02_sfnt_off00007963.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7963 18484 bytes
SHA-256: 265962787b73e694aac7c67ed987488fc8d8021a4c66c1127c37ccae154b779c

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