Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2fff33d7d9e55fa…

MALICIOUS

PDF

33.6 KB Created: 2021-07-03 19:32:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: b6548a9440eb6103a426da8ad7cdeea5 SHA-1: ab0274604626d4b8579d252e23d54e188259b57e SHA-256: e2fff33d7d9e55fae2cec81c7008f6abde71b8a51d7b8872c41b2b3f6ea0a6e3
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple embedded URLs and a heuristic firing for a 'game hack' lure, indicating a social engineering attempt. The primary URL, http://netcdn.tw/app/431946152/roblox-free-pants-game-hack, is likely a redirector to a malicious site. While no scripts were explicitly extracted, the nature of the lure and the presence of external links suggest the PDF is designed to exploit users into downloading further malicious content or visiting phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/431946152/roblox-free-pants-game-hack PDF link annotation
    • http://digilib-pps.unja.ac.id/repository/pubg-uc-top-up_GM1330123889.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/hack-coin-master-online_GM406889139.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/free-spins-and-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/robux-hack-online-cheat_GM431946152.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/robloxclick-hack_GM431946152.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/coin-master-daily-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/hack-de-roblox-robux-espaol_GM431946152.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/apps-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/rbxquest-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/1x1x1-in-april-fools-roblox-hacking_GM431946152.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/dansploit-hack-para-roblox_GM431946152.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/www-robux-cheat-us_GM431946152.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/coin-master-spins-gratis_GM406889139.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/how-to-get-free-hair-on-roblox_GM431946152.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/coin-master-hack-no-download_GM406889139.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/comment-hacker-le-jeux-roblox-sur-buku-no-roblox_GM431946152.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/roblox-hacks-project-jojo_GM431946152.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/best-hack-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://digilib-pps.unja.ac.id/repository/blogspot-free-spins-coin-master_GM406889139.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_off00002d5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D5C 22224 bytes
SHA-256: 5d632f631e6458ee4b53c4ce1edab61478b53f35aee5e211e24a3c2d412b9f16
font_01_sfnt_off00005e7e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E7E 18908 bytes
SHA-256: 376274ef1d4ee474fe23327416bb47019a8b6fd7bc11859318923c0484900617

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