Malicious PDF — malware analysis report

Static analysis result for SHA-256 9aebabcfa6b6704a…

MALICIOUS

PDF

34.5 KB Created: 2021-06-28 09:48:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 1ce9e80717a2185a517ad06dd07112e3 SHA-1: a9bef36bb185613c4e1ebde4bff9bbc33baa855a SHA-256: 9aebabcfa6b6704a4009299b8e860ad0b7a55866a30101f1620aae235be769d6
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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/robux-cheats-2021-game-hack PDF link annotation
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/hacks-for-gun-games-roblox_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/how-to-get-free-robux-easy-on-phone_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/real-robux-hack-no-survey-2021-febuary_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/comment-cheater-sur-roblox-franais_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/daily-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/how-to-change-username-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/robloxcom-hack-free-robux_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/is-minecraft-vr-free_GM479516143.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/free-robux-codes-december-2021_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/clean-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/what-is-robux-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/roblox-its-free-sparta-remix_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/robux-best_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
    • https://www.dmgroupksa.com/uploaded_files/userfiles/files/coin-master-100-spin_GM406889139.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_off00002f5f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F5F 22316 bytes
SHA-256: 973d16b820112974d22954bcee16fde4ac42421574fe9e927812bf78adfaa66e
font_01_sfnt_off000060ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60FF 19224 bytes
SHA-256: d35a0ec033c452b17b540afdebc26a7e55f05f1f9ce621d51fe1c3686ba8b531

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