Malicious PDF — malware analysis report

Static analysis result for SHA-256 215a5ffa73a64957…

MALICIOUS

PDF

41.9 KB Created: 2021-05-11 06:01:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 119f1a3c15485ef8389aefaa6470c723 SHA-1: 05551cf6985a1ab7d6662af1a6036851f78a1059 SHA-256: 215a5ffa73a64957349376a130e4019ae77432d77af403b7c6a8506f1e558628
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/hacks-and-cheats-for-coin-master-game-hack PDF link annotation
    • http://tileworld.com.au/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/free-spin-app-for-coin-master_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/jailbreak-roblox-hack_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-spins-hack-2021_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/how-to-get-free-robux-without-offers_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/toolbox-for-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://tileworld.com.au/files/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-hack-online_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-games-hack_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-apk-hack-mod-download_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/roblox-18_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/spin-coin-master_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/how-do-you-get-free-roblox-money_GM431946152.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
stream_003_off000049af.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49AF 24876 bytes
SHA-256: 942275a3dc58688fc709d9963858196a925a265ddda6f50a78f9035655b5ae49
font_01_sfnt_off000081c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81C1 18220 bytes
SHA-256: a46c006b512b84888bc8fbab681985973724221ae7a22be5c9063266660da03e

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