Malicious PDF — malware analysis report

Static analysis result for SHA-256 54346dc7ead6493d…

MALICIOUS

PDF

41.6 KB Created: 2021-05-14 02:39:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4320c872567608f710ba03ac762b0a7f SHA-1: 22af2e8e10b2bdf76376a506ee016316524996d8 SHA-256: 54346dc7ead6493d3607f0f0d7a967ba42d58cda2fb92fc80b65474643288997
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs that redirect to a site offering game hacks and free currency, a common lure for malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest an attempt to trick users into visiting malicious sites, likely leading to further malware downloads or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/roblox-controversy-game-hack In PDF document text
    • http://precisionheavyhaul.com/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/free-printable-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/free-coin-master-cards_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/coin-master-hack-spins-apk-download_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/i-robux_GM431946152.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/free-coins-and-spins-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/coin-master-free-spins-2021-blogspot_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/how-to-get-free-roebucks-without-verification_GM431946152.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/abd-roblox_GM431946152.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/free-robux-without-verify_GM431946152.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/coin-master-time-hack_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/free-spin-coin-master-new-link_GM406889139.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_off00004736.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4736 24972 bytes
SHA-256: 4434e88026d779f7892c6b9e5a49a90d4026a07d3b6627ffc0840128cd503262
font_01_sfnt_off0000805b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x805B 18180 bytes
SHA-256: 9e52ffd308ee5a3d26e24f101e73c94148b865116d88f3f50f946170f5e81340

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