Malicious PDF — malware analysis report

Static analysis result for SHA-256 d48e527c80efdf54…

MALICIOUS

PDF

43.3 KB Created: 2021-05-19 07:49:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: fa3736cadf9ecead98d17606535df628 SHA-1: 73d70ae7062cac1ec6d415b4b3878f26292deea5 SHA-256: d48e527c80efdf5404d824252f8e0bce7477042cf65ed2726cf39a396b1087d5
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that are disguised as game hacks or generators for popular games like Coin Master and Roblox. The primary lure is to trick users into clicking these links, which are hosted on suspicious domains. The document's content and the embedded URLs strongly suggest a phishing or scam attempt aimed at driving traffic to potentially malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/406889139/coin-master-fan-game-hack PDF link annotation
    • https://omhelsjehart.nu/images/free-spins-coin-master-no-verification_GM406889139.pdfIn PDF document text
    • https://omhelsjehart.nu/images/how-to-play-minecraft-for-free-on-computer_GM479516143.pdfIn PDF document text
    • https://omhelsjehart.nu/images/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/se-puede-hackear-coin-master_GM406889139.pdfIn PDF document text
    • https://omhelsjehart.nu/images/free-robux-human-verification_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/free-robux-hack_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/coin-master-free-spin-no-offers_GM406889139.pdfIn PDF document text
    • https://omhelsjehart.nu/images/coin-master-hack-pc-cheat-engine_GM406889139.pdfIn PDF document text
    • https://omhelsjehart.nu/images/cm-spin-link_GM406889139.pdfIn PDF document text
    • https://omhelsjehart.nu/images/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • https://omhelsjehart.nu/images/free-roblox-passwords_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/coin-master-hack-spin_GM406889139.pdfIn PDF document text
    • https://omhelsjehart.nu/images/free-money-links-coin-master_GM406889139.pdfIn PDF document text
    • https://omhelsjehart.nu/images/coinmaster-fan-page_GM406889139.pdfIn PDF document text
    • https://omhelsjehart.nu/images/how-to-get-free-robux-no-survey_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/free-minecraft-skins-girl_GM479516143.pdfIn PDF document text
    • https://omhelsjehart.nu/images/coin-master-hack-spin-ios_GM406889139.pdfIn PDF document text
    • https://omhelsjehart.nu/images/free-robux-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/minecraft-free-version_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004769.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4769 24644 bytes
SHA-256: e5de4ded043a53df765b88c2dd69451f152655a354729c09ac1d245af9e8cd62
font_01_sfnt_off00007e9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E9D 2820 bytes
SHA-256: 96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689
font_02_sfnt_off0000883e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x883E 17712 bytes
SHA-256: 0afd6f2792edb83b7f2a0201a1e0a5eb12ca81ad868fb3e42742340ee6e5fb0e

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