Malicious PDF — malware analysis report

Static analysis result for SHA-256 2dc2ce2fb471f5d5…

MALICIOUS

PDF

45.2 KB Created: 2021-05-17 06:31:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 01f0a0ec52bbe32a30ac9b654553f388 SHA-1: 7de20422d4366722c8da5dd7e5a539a4e8a9bc0a SHA-256: 2dc2ce2fb471f5d56638c63b4d6bc6eb0785c4be8ca504c2e7c1d68975cc8d96
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, including one that masquerades as a 'free generator / game hack'. The document body, though heavily obfuscated, contains references to 'Coinmaster Spin Ml Free' and URLs associated with free game currency and accounts. The presence of these lures and malicious redirectors indicates an attempt to trick users into visiting compromised sites, likely for further malware delivery or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9551

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/406889139/coinmaster-spin-ml-free-game-hack In PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/make-free-robux_GM431946152.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/how-to-get-minecraft-java-for-free_GM479516143.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/twitter-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/freespinandcoin-blogspot_GM406889139.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/what-is-a-robux_GM431946152.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/how-to-get-free-coins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/how-to-get-free-pets-in-adopt-me-roblox_GM431946152.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/how-long-is-the-minecraft-free-trial_GM479516143.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/roblox-promo-codes-2021-robux_GM431946152.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/coin-master-free-spins-link-2021-blogger_GM406889139.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/cute-free-stuff-on-roblox_GM431946152.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/game-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/robux-boost_GM431946152.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/free-robux-ad_GM431946152.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/free-robux-gen_GM431946152.pdfIn PDF document text
    • https://elman1td.sam73cyber.com/__statics/gudangsoal/files/coin-master-attack-hack_GM406889139.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_off00004c5b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C5B 25112 bytes
SHA-256: c20d0908d60a8b267eec0396b47472365602503d308b212c1febfd93905a2669
font_01_sfnt_off000084f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84F7 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off00008ea8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EA8 18220 bytes
SHA-256: 650e8f71a1b9292b8308c8990560b3515b162e3aa2d6bcbd8521e639c6c382b1

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