Malicious PDF — malware analysis report

Static analysis result for SHA-256 39dd57eed996cbb3…

MALICIOUS

PDF

34.7 KB Created: 2021-05-22 20:37:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4407f3147a84c0e90ecd465a88dcfc6a SHA-1: ddc9ffbed6ba4f57444bc2ea807d655426c2098a SHA-256: 39dd57eed996cbb362e6ed575ead27769e74e56a795f35dadc4068a2cff1e703
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with one prominent URL leading to known malicious redirector infrastructure. The document body and heuristics suggest a lure for free game hacks or generators, likely to download further malware or lead to a phishing site. No scripts were extracted, but the presence of malicious links and the lure indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9508

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/free-minecraft-server-game-hack In PDF document text
    • http://www.access-coiffure-tours.fr/images/buy-robux-free_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/roblox-people-girl_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/free-robux-gift-card-codes_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/free-games-like-coin-master_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/how-to-hack-roblox-to-get-robux_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_002_off00003038.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3038 24492 bytes
SHA-256: 569b3416ebe4cf4e660d3edfcbabdbd4f8cca8d9a653c138e82031f246f71fe0
font_01_sfnt_off000067e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67E8 17684 bytes
SHA-256: 971ebce79d03a5424fa8491ae570b1f65fe2ad06e00737069ab54be99501e2e8

Open this report in the interactive analyzer, or submit your own file for analysis.