Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dc6369e1258feeb…

MALICIOUS

PDF

45.4 KB Created: 2021-05-15 02:20:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c7059f94a9542f8cc1069cafa9adab82 SHA-1: 6dc03b801a94aaf00c6fe25584069f4e250ecf5b SHA-256: 7dc6369e1258feeb527c031c623767b0d9639560c6e0d5804956212cdb515c94
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to external websites, many of which are structured as SEO-optimized PDF gateways for game hacks and cheats. The ML classifier also flagged this PDF as malicious. The presence of a link farm and the lure of "Coin Master Hack" suggest a phishing or malware distribution attempt, likely initiated via a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9507

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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-hack-2021-without-human-verification-game-hack PDF link annotation
    • http://mycookingpot.com/images/roblox-promo-codes-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://mycookingpot.com/images/coin-master-hack-no-survey-2021_GM406889139.pdfIn PDF document text
    • http://mycookingpot.com/images/claim-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://mycookingpot.com/images/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
    • http://mycookingpot.com/images/coin-master-card-collection-hack-apk_GM406889139.pdfIn PDF document text
    • http://mycookingpot.com/images/coin-master-free-spins-link-2021-ios_GM406889139.pdfIn PDF document text
    • http://mycookingpot.com/images/real-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://mycookingpot.com/images/hack-my-game-xyz-coin-master_GM406889139.pdfIn PDF document text
    • http://mycookingpot.com/images/coin-master-free-spinv1-0apkpure-com-apk_GM406889139.pdfIn PDF document text
    • http://mycookingpot.com/images/bit-ly-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://mycookingpot.com/images/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
    • http://mycookingpot.com/images/free-spins-and-coins-from-coin-master-game_GM406889139.pdfIn PDF document text
    • http://mycookingpot.com/images/free-executor-roblox_GM431946152.pdfIn PDF document text
    • http://mycookingpot.com/images/coin-master-spin-hack-2021_GM406889139.pdfIn PDF document text
    • http://mycookingpot.com/images/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://mycookingpot.com/images/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://mycookingpot.com/images/coin-master-hack-apk-july-2021_GM406889139.pdfIn PDF document text
    • http://mycookingpot.com/images/ww-roblox-come_GM431946152.pdfIn PDF document text
    • http://mycookingpot.com/images/coin-master-hack-apk-download-for-android-mobile_GM406889139.pdfIn PDF document text
    • http://mycookingpot.com/images/coin-master-hack-apk-ios-download_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a54.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A54 24436 bytes
SHA-256: f06c4e437c31bfc33a42c178a8115cd07ca85916a6fe22694d62a12a475ba592
font_01_sfnt_off00008185.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8185 3204 bytes
SHA-256: 8c2546387700f45186c395d475006178ee984eabbc175bcf1ee6eb58ba8b57aa
font_02_sfnt_off00008c89.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C89 19016 bytes
SHA-256: 248e142fe6612536591b3d49e00127f3d3723ffb314e2fad373b7d7f184e563b

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