Malicious PDF — malware analysis report

Static analysis result for SHA-256 000d7ce2f869fd7a…

MALICIOUS

PDF

35.0 KB Created: 2021-07-07 07:34:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: d3588b20b6c7775ef0119a082ac08c5b SHA-1: e9d8942b6d2b7fd60802cefcceb68bdc112bbafb SHA-256: 000d7ce2f869fd7ad29b2b476a809c6fa3339d6051206ec542371674f127b2b5
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links and references to 'free Robux' and game hacks, indicating a lure for users seeking in-game currency. The presence of external URIs and a link farm heuristic suggests the document is designed to redirect users to potentially malicious websites. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/431946152/free-robux-for-kids-no-verification-game-hack PDF link annotation
    • https://vierabyragazze.com/upload/files/roblox-robux-hack-easy-for-lg_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-robux-no-human-verification-no-survey-no-download_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/robux-all-codes-free-2021_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-to-get-bc-in-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-tiktok-followers-real_GM835599320.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/unlimited-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-hack-using-lucky-patcher_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/robux-come_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/blogspot-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-coin-master-spins-hack_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-cracked-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/roblox-card-hack-2021_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/coin-master-free-coins-and-spins-hack_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-annualy-robux_GM431946152.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/how-to-get-100-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://vierabyragazze.com/upload/files/free-tiktok-followers-no-verification-or-survey_GM835599320.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
font_00_sfnt_off0000320c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x320C 22128 bytes
SHA-256: c16771c662705dc2d38e966a15f10deb869b0f3ad1973502596afe104268627d
font_01_sfnt_off00006333.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6333 19248 bytes
SHA-256: cfee841a5dae106b2cf9b4cdd4f4599820923438d7b3e36504f4b087b21eb8e1

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