Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ce1a464cd3ec8fa…

MALICIOUS

PDF

48.0 KB Created: 2021-05-16 17:33:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 15012d842c7d598a1310c3ed81df2288 SHA-1: df0e2b694ec6fdc8170c86caad877c04a66e4280 SHA-256: 2ce1a464cd3ec8fafcc947c2e94d4b029b3f88ec9a34bccd215ed26b04220c4e
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous external links, a technique often used in SEO link farms to artificially boost search engine rankings. The document body and extracted URLs suggest a lure related to game hacks (Minecraft, Roblox), indicating a potential phishing or malware distribution attempt. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8715

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/479516143/cool-minecraft-hacks-game-hack PDF link annotation
    • http://agriconservizi.com/images/minecraft-servers-that-allow-hacks_GM479516143.pdfIn PDF document text
    • http://agriconservizi.com/images/robux-free-gift-card-org-hack_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/se-puede-hackear-coin-master_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/free-robux-with-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/coin-master-daily-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/free-minecraft-svg-cutting-files_GM479516143.pdfIn PDF document text
    • http://agriconservizi.com/images/roblox-weird_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/roblox-promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/coin-master-hack-no-verification-ios_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/coin-master-hack-fast-org_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/free-spins-coin-master-october-17-2021_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/free-coin-and-spin-link_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/free-robux-working_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/best-hacked-client_GM479516143.pdfIn PDF document text
    • http://agriconservizi.com/images/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • http://agriconservizi.com/images/coin-master-400-spin-link-hack_GM406889139.pdfIn PDF document text
    • http://agriconservizi.com/images/free-roblox-toy-codes_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004c03.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C03 25176 bytes
SHA-256: 564349a439c9e33202861ffc5cd59ff31b6fafb1ed59953e71542cd7f6beb777
font_01_sfnt_off0000856f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x856F 3020 bytes
SHA-256: f1a29adcea636583330be8db4f6466410de551ac48576b9e1aa5c34e2d665a1f
font_02_sfnt_off00008fc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FC3 2816 bytes
SHA-256: 4555740682277f0055d57b15bd0ba953e5b51415ea3d21c93db391eace072d4f
font_03_sfnt_off000099d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x99D3 17956 bytes
SHA-256: 052a8056d5e76bd054e8f6de415126dc7fc526d2c477c3dbde74b8be28c4271b

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