Malicious PDF — malware analysis report

Static analysis result for SHA-256 348e71c92faaab94…

MALICIOUS

PDF

35.7 KB Created: 2021-06-22 05:27:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e088f551464146bc5d5b5644ab19613f SHA-1: f6b72c438bf0549d685454a4932a98c77d5680a5 SHA-256: 348e71c92faaab94836c957f2287cbc1631907a904c956070cf22814039c4359
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and lures users with promises of free game currency or hacks. The primary link, http://netcdn.co/app/431946152/website-that-gives-you-free-robux-game-hack, is associated with a 'free generator / game hack' lure. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a phishing or scam attempt, likely leading to further malicious content or malware download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.co/app/431946152/website-that-gives-you-free-robux-game-hack In PDF document text
    • http://solidcommunication.ch/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://solidcommunication.ch/images/how-to-get-free-pet-snacks-in-coin-master_GM406889139.pdfIn PDF document text
    • http://solidcommunication.ch/images/free-gifts-roblox_GM431946152.pdfIn PDF document text
    • http://solidcommunication.ch/images/como-tener-hack-para-matar-en-roblox_GM431946152.pdfIn PDF document text
    • http://solidcommunication.ch/images/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://solidcommunication.ch/images/como-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://solidcommunication.ch/images/how-to-get-minecraft-bedrock-for-free_GM479516143.pdfIn PDF document text
    • http://solidcommunication.ch/images/roblox-free-robux-hackoblox_GM431946152.pdfIn PDF document text
    • http://solidcommunication.ch/images/coin-master-hackcom-xyz_GM406889139.pdfIn PDF document text
    • http://solidcommunication.ch/images/robux-free-2021_GM431946152.pdfIn PDF document text
    • http://solidcommunication.ch/images/cheat-codes-for-skywars-roblox_GM431946152.pdfIn PDF document text
    • http://solidcommunication.ch/images/how-to-get-free-roblox-gift-cards_GM431946152.pdfIn PDF document text
    • http://solidcommunication.ch/images/roblox-mad-city-hack-deutsch_GM431946152.pdfIn PDF document text
    • http://solidcommunication.ch/images/counter-blox-roblox-offensive-how-to-get-free-skins_GM431946152.pdfIn PDF document text
    • http://solidcommunication.ch/images/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
    • http://solidcommunication.ch/images/free-robux-without-no-verification_GM431946152.pdfIn PDF document text
    • http://solidcommunication.ch/images/free-fans-on-tiktok_GM835599320.pdfIn PDF document text
    • http://solidcommunication.ch/images/coin-master-ios-gods-hack_GM406889139.pdfIn PDF document text
    • http://solidcommunication.ch/images/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://solidcommunication.ch/images/minecraft-windows-10-free-with-java_GM479516143.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_off00003062.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3062 23148 bytes
SHA-256: 2998de0c4e039378007e8dff5ad252c88283d03f0dea0fe516ed336e202f1dd8
font_01_sfnt_off000064d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64D7 19580 bytes
SHA-256: 7292eb3338cb6c9d3aaa3bb5f0b07597ff2ce37f19197e11b99fdf35000b820a

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