Malicious PDF — malware analysis report

Static analysis result for SHA-256 466d879880b35fc9…

MALICIOUS

PDF

35.7 KB Created: 2021-06-25 01:08:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 7feaaba935bf88957e6590a43fcd98c1 SHA-1: 5390af21964ed22df6e7c2dac45d9b73b7e909d3 SHA-256: 466d879880b35fc908a5581809652bdf8aae08c1ba164d401d55c6b2b39bd70a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that lead to a known malicious redirector, specifically advertising free game hacks and credits. The ML classifier also flagged this PDF as malicious. The document's content and embedded URLs strongly suggest a phishing or scam attempt designed to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/free-credits-galaxy-roblox-game-hack In PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/coin-master-unlimited-spin-hack_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/how-do-you-install-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/free-domain-for-minecraft-server_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/free-roblox-accounts-with-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/flip-master-free-coins_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/real-free-robux-codes_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/free-links-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/sb-game-hacker-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/como-hackear-la-ropa-de-personas-en-roblox_GM431946152.pdfIn PDF document text
    • https://www.elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/60-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/roblox-cookies-hack_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/free-spins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-verifying_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/minecraft-client_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/free-robux-exe_GM431946152.pdfIn PDF document text
    • https://www.elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2kotamagelang.sch.id/__statics/gudangsoal/files/get-free-robux-and-tix-for-roblox-work_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_off0000327c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x327C 22800 bytes
SHA-256: f7f5ba15d9d633e289d373711af6e0d3625bbd9cf92c82c51d05ab2893657cc5
font_01_sfnt_off000065be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65BE 19228 bytes
SHA-256: ddc2f9d2ed3a59666681dd16b1392763fece6e1daa49bd6228eeb6519e00293a

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