Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dec43157ff5b93b…

MALICIOUS

PDF

42.2 KB Created: 2021-05-19 06:17:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: ddee5db8e44c9faae0784dabb11f2924 SHA-1: 40b7b15ee6baa5499a9da234adcb46f2ea2b09ad SHA-256: 3dec43157ff5b93b475dc9c2f50d9ff04519593ea8c7cb7b151760d2fd4f3afa
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, disguised as "free generator / game hack" lures. The primary malicious URL identified is https://netcdn.xyz/app/479516143/play-minecraft-online-free-game-hack. The document body also contains embedded URLs, further reinforcing the malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/479516143/play-minecraft-online-free-game-hack In PDF document text
    • http://halitbayramoglu.com.tr/images/card-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/tiktok-free-vs-premium_GM835599320.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/how-to-get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/pokemon-go-free-gold_GM1094591345.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/minecraft-pvp-hacks_GM479516143.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/how-to-get-free-robux-without-email_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/coin-master-hack-ios-jailbreak_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/spinuri-gratis-coin-master_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/minecraft-hacks-xbox-one_GM479516143.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/microsoft-bing-robux_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/free-robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/free-robux-codes-generator_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/free-robux-codes-no-human-verification_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/coin-master-free-coins-facebook_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/free-robux-survey_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/roblox-free-rubox_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/coin-master-extra-spins_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b35.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B35 25388 bytes
SHA-256: eabd54a28cd42de64b19ded03cf1d226723114572b47265be09a98f81364748d
font_01_sfnt_off0000839c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x839C 17976 bytes
SHA-256: e953997c623ab1bd3546e7b188ca680e36d1015a1cf7f46efbbf98890a47325d

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