Malicious PDF — malware analysis report

Static analysis result for SHA-256 82b3451536b76723…

MALICIOUS

PDF

33.0 KB Created: 2021-07-20 11:33:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6a403aefaec8e2d254dc6f88665ea22b SHA-1: 706e2bb9f6622397eecc56b6a7d0dac08bdc2871 SHA-256: 82b3451536b767234f35d019623871064e056dafad8abc252214914038df6ca4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, disguised as lures for 'free generators' or 'game hacks'. The document body explicitly contains a call to action 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' and a primary URL that redirects to a malicious domain. This indicates an attempt to trick users into downloading potentially malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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 http://netcdn.tw/app/479516143/minecraft-free-no-download-game-hack In PDF document text
    • http://pizzeria-rosso.pl/images/robux-hack-me_GM431946152.pdfIn PDF document text
    • http://pizzeria-rosso.pl/images/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
    • http://pizzeria-rosso.pl/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://pizzeria-rosso.pl/images/free-robux-gift-card_GM431946152.pdfIn PDF document text
    • http://pizzeria-rosso.pl/images/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
    • http://pizzeria-rosso.pl/images/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
    • http://pizzeria-rosso.pl/images/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
    • http://pizzeria-rosso.pl/images/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://pizzeria-rosso.pl/images/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://pizzeria-rosso.pl/images/coin-master-daily-free-spins-and-coins_GM406889139.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
font_00_sfnt_off00002c23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C23 22720 bytes
SHA-256: 74b257d30923431f96f7ef2b76d1bb4edac437bb59aebbdb2c105397c5ea8b27
font_01_sfnt_off00005f16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F16 18292 bytes
SHA-256: 2f8f6932c6a5471fcd86ac874366aa199bea0908b5b9fba5acbbd4822a363b64

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