Malicious PDF — malware analysis report

Static analysis result for SHA-256 5616c1909b45e408…

MALICIOUS

PDF

34.5 KB Created: 2021-07-09 18:53:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-20
MD5: dd8874fe43be64b51dadd6c27e96125f SHA-1: e4ee6429ef8665202b68fb0504f197b25f515566 SHA-256: 5616c1909b45e408c703b89ebd1d406200e248f024b586764bec0e55f2914873
160 Risk Score

Malware Insights

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

This PDF document contains multiple links designed to lure users into clicking on what appear to be game-related hacks or generators. The primary link redirects to known malicious infrastructure, indicating a phishing or scam attempt. The document's content and embedded links strongly suggest a social engineering tactic to drive traffic 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.tw/app/406889139/latest-coin-master-free-spins-link-game-hack In PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/robux-glitch-hack_GM431946152.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/wurst-mc_GM479516143.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/best-free-exploit-roblox-2021_GM431946152.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/how-to-hack-coin-master-with-root_GM406889139.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/coin-master-hacks-no-surveys_GM406889139.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/how-to-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/microsoft-roblox-rewards_GM431946152.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/minecraft-ore-finder-mod_GM479516143.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/roblox-hack-mod-menu-android_GM431946152.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/free-robux-for-watching-videos_GM431946152.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/roblox-games-which-give-u-free-robux_GM431946152.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/robux-only_GM431946152.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/coin-master-spin-link-today_GM406889139.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/coin-master-hack-version-2021-download_GM406889139.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/how-to-hack-pet-simulator-on-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/how-can-i-hack-someones-account-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/how-to-hack-the-roblox-developer-console_GM431946152.pdfIn PDF document text
    • http://elearning.man3pk-kotamakassar.sch.id/__statics/gudangsoal/files/minecraft-free-download-unblocked_GM479516143.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
font_00_sfnt_off00003257.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3257 22276 bytes
SHA-256: 6b44d8b84ce795d359498ee236a5ae50b32635ac31ba8c43cf86b8877d060c68
font_01_sfnt_off000063cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63CC 18344 bytes
SHA-256: 3cae56739e9b784a2de05b8f28e362f0279ba9f74e5710fec04e6342d7c99e07

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