Malicious PDF — malware analysis report

Static analysis result for SHA-256 86802e232625ef33…

MALICIOUS

PDF

36.1 KB Created: 2021-06-28 08:06:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 13c1d015510e600d79c005d89ef8e7c2 SHA-1: 60d31a8b7417abd84f9b209992cb60fbe74817a8 SHA-256: 86802e232625ef332379694746c670adbf4381894ad1a7ee7dea02f4ee3678c2
102 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are related to game cheats and in-game currency, suggesting a lure for users seeking such content. The ML classifier also flagged this PDF as malicious with high confidence. The presence of numerous links, including those pointing to game-related hacks and free currency, indicates an attempt to direct users to potentially harmful resources.

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.co/app/431946152/how-do-you-get-free-outrageous-builders-club-on-roblox-game-hack PDF link annotation
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/free-minecraft-java-server_GM479516143.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/free-spins-coin-master-app-iphone_GM406889139.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/cm-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/descargar-hack-unu-para-roblox_GM431946152.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-no-hack-no-survey_GM431946152.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/coin-master-2021-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/master-coin-free-spin-daily_GM406889139.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/roblox-prison-life-20-cheats_GM431946152.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/free-mojang-account-with-minecraft_GM479516143.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/games-that-give-free-robux_GM431946152.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/how-to-get-daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/coin-master-blogspot-links_GM406889139.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-verifying-2021_GM431946152.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/roblox-descargar-hack_GM431946152.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/robux-games_GM431946152.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-no-generator_GM431946152.pdfIn PDF document text
    • http://study.mtsn3limapuluhkota.sch.id/__statics/gudangsoal/files/le-hackean-jugando-a-roblox_GM431946152.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_off00003396.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3396 22680 bytes
SHA-256: bd86a8486853c4cff2f808b78b9da3542defa8f0d2fe4e9ccaa5ccaab73d6086
font_01_sfnt_off00006624.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6624 19680 bytes
SHA-256: ce9f78865c427d5554c9a378243fcd94d0b438f79c50abced21fea715bd1ccb8

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