Malicious PDF — malware analysis report

Static analysis result for SHA-256 d52721eb87193967…

MALICIOUS

PDF

35.2 KB Created: 2021-07-08 18:27:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 1cf96eea09c7a6718791b61bdd8662c1 SHA-1: ac64ff40b6330ce0aca1de16a553c6d3e636dc4b SHA-256: d52721eb8719396799c327b04c1a6674e5bc02a966487453e8745c20d85ff3f9
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links and a document body that promotes game hacks and cheats, such as 'Coin Master Unlimited Spin Hack Apk'. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, many of which are likely designed to lead users to malicious sites or downloads. The presence of a 'SE_DOWNLOAD_BUTTON' heuristic further suggests a deceptive user interface aimed at tricking users into clicking malicious links.

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/406889139/coin-master-unlimited-spin-hack-apk-game-hack
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/free-robux-scamgames-2021_GM431946152.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/free-shirt-templates-roblox-lyon_GM431946152.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/free-codes-for-heavon-or-hell-roblox_GM431946152.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/free-robux-reddit_GM431946152.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/how-to-earn-free-robux_GM431946152.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/coin-master-spin-hack-no-human-verification_GM406889139.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/free-tiktok-followers-no-human-verification_GM835599320.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/free-roblox-hack_GM431946152.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-ferbuary-2021_GM431946152.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/hack-cuenta-roblox_GM431946152.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/free-coin-master-spins-daily_GM406889139.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/free-spins-coin-master-2021-hack_GM406889139.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/coin-master-20-free-spins-link-2021_GM406889139.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/free-daily-spins-coin-master_GM406889139.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/roblox-deathrun-hack-script-pastebin_GM431946152.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/get-minecraft-for-free_GM479516143.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/how-to-get-free-spins-for-coin-master_GM406889139.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/how-to-hack-someones-roblox-account_GM431946152.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/robux-hack-no-verification_GM431946152.pdf
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/hacks-for-minecraft-bedrock_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003262.bin
2bb43ef3b9b09e14d29340f826891691e7e555b3e62178388b52a4fd9fd307d5		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3262 22872 bytes
font_01_sfnt_off0000655c.bin
7e2ee907f2feac738be75e17c27693a65f159ea6ad788202b30771c529da622a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x655C 18876 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.