Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e728181e055dad2…

MALICIOUS

PDF

43.1 KB Created: 2021-05-11 05:02:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 594a75ab42ad5a4691290d07d3a43a12 SHA-1: e1848ac3f8866db31c4609bb335850ae5ff5a435 SHA-256: 1e728181e055dad279fd091c8cd8f98ef91d54fcd00cfb2d4be4bfca8dcdc01f
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to 'Free Robux 2021' and a call-to-action button, directing users to a malicious URL. This indicates a phishing or scam attempt designed to trick users into visiting a potentially harmful site. The embedded URL is the primary indicator of malicious intent, likely leading to a further stage of compromise.

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/431946152/free-robux-2021-game-hack PDF link annotation
    • http://miriammcconnonart.com/images/minecraft-skins-download-free_GM479516143.pdfIn PDF document text
    • http://miriammcconnonart.com/images/cool-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://miriammcconnonart.com/images/free-spins-link-in-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coin-master-hack-extension_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/cm-free-spins_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/roblox-hack-game_GM431946152.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coin-master-free-spin-whatsapp-group_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/free-spins-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/get-robux-today_GM431946152.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/free-spin-coin-master-online_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/minecraft-free-version_GM479516143.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coin-master-hack-2021-download_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coin-master-official-website_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coinmaster-com_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coin-master-free-gifts_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/robux-link_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a0f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A0F 25572 bytes
SHA-256: bca774b6ac1ab9edb24fb939e003bf702493f8c27de110d181b449de392c3723
font_01_sfnt_off000085a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85A3 18416 bytes
SHA-256: a2c808792aaeb1607b9c3a91ae122c662faffffe8d42f3cf4118be6ccc5b3e7b

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