Malicious PDF — malware analysis report

Static analysis result for SHA-256 57412ebdaf165d08…

MALICIOUS

PDF

35.6 KB Created: 2021-06-29 07:30:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: b1d737238e94415c4800ad1f993dfe22 SHA-1: a9f06c42ee4b217f14a26b180a4d6f06d3758a5d SHA-256: 57412ebdaf165d08140dc69d94452e1a4209f6e6732826b7478c96034be95616
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure of 'free game hacks' to entice users to click on embedded links. The primary link, http://netcdn.co/app/431946152/roblox-free-robux-hack-no-human-verification-2021-game-hack, and numerous others point to external sites that are likely designed to deliver malware or engage in phishing. The ML classifier strongly supports the malicious nature of this PDF.

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.co/app/431946152/roblox-free-robux-hack-no-human-verification-2021-game-hack PDF link annotation
    • http://stiepariperpus.web.id/sarjana//repository/rare-free-links-to-coin-master_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-hack-for-life-in-psridise_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/roblox-exploit-scripts_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/www-com-free-robux_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/free-robux-hack-download-free_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/free-face-roblox_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/reddit-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/how-to-hack-on-roblox-huawei-tablet_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/exclusive-roblox-avatars-available-for-free-you-can-change-your_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/i-want-free-robux_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/free-robux-codes-no-verification_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/how-to-get-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/how-do-you-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/coin-master-hacks-that-work_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/free-rolls-hack-elemental-wars-roblox_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/minecraft-bedrock-for-free_GM479516143.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-galaxy-money-hack_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-free-rare-accounts_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_off000030b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30B1 22664 bytes
SHA-256: 6dc6d4b8589800a8b14bb5ae31bcb7c500a87530514953e586e363f0954758b8
font_01_sfnt_off00006394.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6394 19980 bytes
SHA-256: 09ded03f664f4c484e735d0071e2d1de49e8f222f220620ea5f1f5f2976c670f

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