Malicious PDF — malware analysis report

Static analysis result for SHA-256 a09079fdc4d700fa…

MALICIOUS

PDF

34.8 KB Created: 2021-07-06 06:09:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 9c6153f9836473fbf5c43c3531eb6caf SHA-1: 6d0db938580beab4b25fc41389fe8cc9f46c0b9a SHA-256: a09079fdc4d700fa2b5b5588a89ebdcf9d8c172e933d936748dbea5234a4027a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure related to game hacks and free currency to entice users. It contains multiple embedded URLs, including one pointing to a known malicious redirector infrastructure at http://netcdn.tw/app/431946152/how-to-get-roblox-premium-for-free-2021-game-hack. The document's structure and embedded links suggest it is designed to redirect users to potentially malicious websites, likely for further exploitation or credential harvesting.

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/431946152/how-to-get-roblox-premium-for-free-2021-game-hack In PDF document text
    • https://library.sman1berau.sch.id/repository/bloxburg-roblox-hacks_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-free-spins-link-cheat_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/tik-tok-free-fire-30-detik_GM835599320.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/rbx-free-robux_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/we-wil-giv-bak-the-bux-yo-roblox-april-hacked_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/how-to-get-free-robux-2021-no-suvey-n0-human_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-tricks_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-free-2021-spin-link_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/free-robux-2021_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/minecraft-toys-for-free_GM479516143.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/free-spins-coin-master-no-verification_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/roblox-help-free-robux_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/stella-download-roblox-hack_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/hacks-for-roblox-the-labyrinth_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-free-link-spin_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/how-to-get-minecraft-bedrock-for-free-with-java_GM479516143.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/hack-roblox-accounts-download-file_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_off00002edd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EDD 22204 bytes
SHA-256: 9c67682ab76fb301f3ef9aa542dcffade9c8d0d293f1d29904a4f51aabcc6019
font_01_sfnt_off00006011.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6011 19992 bytes
SHA-256: 5d92c0ac708cb6372069878ce274a0583dd4db4fed5f7a9ab4827dfd753440d4

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