Malicious PDF — malware analysis report

Static analysis result for SHA-256 e853c4ea247a4d6c…

MALICIOUS

PDF

43.2 KB Created: 2021-05-11 02:41:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 38e7b129830f9e9c841ed2e99f4bb755 SHA-1: 8a14bd488062e673cc9d4afc308f06fc91aba383 SHA-256: e853c4ea247a4d6c41fb10a492df8339eb2105ad20b6d8a523304d677cab1091
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains embedded URLs and text that mimic a download link for a game hack, aiming to trick users into clicking. The heuristic firing 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that the primary URL leads to known malicious infrastructure, strongly suggesting a malicious download or redirect. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 3

  • 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-1.12-hacked-client-game-hack In PDF document text
    • http://edvintage.com/images/coin-master-game-legitimate-hack-without-signing-up-or-shareing_GM406889139.pdfIn PDF document text
    • http://edvintage.com/images/get-free-robux_GM431946152.pdfIn PDF document text
    • http://edvintage.com/images/free-minecraft-skins-pc_GM479516143.pdfIn PDF document text
    • http://edvintage.com/images/coin-master-free-spins-and-coins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://edvintage.com/images/free-coin-master-cards_GM406889139.pdfIn PDF document text
    • http://edvintage.com/images/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://edvintage.com/images/coin-master-hack-spins-and-coins-unlimited-free_GM406889139.pdfIn PDF document text
    • http://edvintage.com/images/coin-master-stop-attack-hack_GM406889139.pdfIn PDF document text
    • http://edvintage.com/images/bux-free-robux_GM431946152.pdfIn PDF document text
    • http://edvintage.com/images/free-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • http://edvintage.com/images/roblox-download-pc-free_GM431946152.pdfIn PDF document text
    • http://edvintage.com/images/coin-master-hack-tool-without-human-verification_GM406889139.pdfIn PDF document text
    • http://edvintage.com/images/como-hackear-coin-master-ios_GM406889139.pdfIn PDF document text
    • http://edvintage.com/images/coin-master-free-spins-iphone_GM406889139.pdfIn PDF document text
    • http://edvintage.com/images/minecraft-116-apk-download_GM479516143.pdfIn PDF document text
    • http://edvintage.com/images/how-to-get-minecraft-for-free-on-tablet_GM479516143.pdfIn PDF document text
    • http://edvintage.com/images/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://edvintage.com/images/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://edvintage.com/images/free-minecraft-premium-account_GM479516143.pdfIn PDF document text
    • http://edvintage.com/images/make-robux_GM431946152.pdfIn PDF document text
    • https://code.giftcards.comIn 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_003_off00004d90.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D90 25528 bytes
SHA-256: 2b2f95bad5a816337c3a85b0f5c0d417f6e4ac49805fde8153f99bcbbdd9a62f
font_01_sfnt_off000086ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86CE 18280 bytes
SHA-256: 82135226d76a6244ad3fef1c984a62d44c7236218efe4707925baddb6c5b4f8a

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