Malicious PDF — malware analysis report

Static analysis result for SHA-256 1356896d0bbaadcb…

MALICIOUS

PDF

36.0 KB Created: 2021-05-21 15:10:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9abb904d5e9c6f174263b7de407e851c SHA-1: 399e03905a328cb5300faa6e371a1b92d5590396 SHA-256: 1356896d0bbaadcb033f4f091742c041f32f6402d866f6918442c45367fa0c64
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to malicious redirectors, specifically advertising 'free generators' or 'game hacks' for popular games. The primary malicious URL, https://netcdn.xyz/app/479516143/minecraft-net-free-game-hack, is identified as a known malicious redirector. The document body also contains a call-to-action phrase, 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', further reinforcing the lure. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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-net-free-game-hack In PDF document text
    • http://prazdnik-kzn.ru/images/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/coin-master-free-spins-1701-20_GM406889139.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/how-to-hack-coin-master-spin-in-hindi_GM406889139.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/how-to-sue-roblox_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
font_00_sfnt_off0000337b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x337B 25576 bytes
SHA-256: ed7bfff887c5eab07dc5cd1997c3917ec210b1a008a9aa68300cb7071ab3b578
font_01_sfnt_off00006da4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DA4 17568 bytes
SHA-256: faeb95cc6d96c3cea1ae90d4178fb3ee4a8ce77703e61043965722cb1ebd81f6

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