Malicious PDF — malware analysis report

Static analysis result for SHA-256 db1588c01ed1e61c…

MALICIOUS

PDF

43.7 KB Created: 2021-05-21 11:03:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c4be4af4873ae4f2ada3771ae9a49ab8 SHA-1: c8cb68a8d1063224750d49577991c3f904e30c8d SHA-256: db1588c01ed1e61c875813c77f498643182d74ea946e85448f2dbe4747ef56de
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites offering 'free Robux' or 'game hacks', which are common lures for phishing or malware distribution. The document body and heuristics indicate a redirection to malicious infrastructure, specifically the URL https://netcdn.xyz/app/431946152/free-robux-pastebin-game-hack. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9503

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/431946152/free-robux-pastebin-game-hack In PDF document text
    • http://eooe.gr/images/free-minecraft-hosting-24-7_GM479516143.pdfIn PDF document text
    • http://eooe.gr/images/you-promised-my-son-free-robux_GM431946152.pdfIn PDF document text
    • http://eooe.gr/images/como-hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
    • http://eooe.gr/images/minecraft-app-store-free_GM479516143.pdfIn PDF document text
    • http://eooe.gr/images/pubg-uc-icon_GM1330123889.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003436.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3436 38996 bytes
SHA-256: 13c46773857d30063957ad10b99323b377d8472658a61a4bc87ea64994f6cea6
font_01_sfnt_off00008912.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8912 18620 bytes
SHA-256: 10493b23bc5ef0d73c1582ce0af85c313c8077c60a374ecda70c4edbf5cadd5c

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