Malicious PDF — malware analysis report

Static analysis result for SHA-256 79b7967a221a4a32…

MALICIOUS

PDF

35.6 KB Created: 2021-06-25 17:05:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 4f00b240bc4e90c7bdab507d0d2a1628 SHA-1: 095fb228e1b6a212aca283c32d4fb0a72253bcfd SHA-256: 79b7967a221a4a3260a4e4f3f78c29a6cf8e648d32441d78fac78370e8125e2b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure, advertising game hacks and free items to entice users. It contains multiple links to redirector infrastructure, including http://netcdn.co/app/431946152/roblox-apocalypse-rising-hack-script-game-hack, which is flagged as malicious. The document body and heuristics indicate a phishing or scam attempt, likely leading to further malicious content or downloads.

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.co/app/431946152/roblox-apocalypse-rising-hack-script-game-hack In PDF document text
    • http://perpus.ar-rum.ac.id//repository/coin-master-hack-355_GM406889139.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/hack-zombi-rush-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/how-to-get-free-roblox-money_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/hack-free-robux-pastebin_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/is-minecraft-free-on-switch_GM479516143.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/a-free-game-called-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/hack-in-roblox-2021_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/free-roblox-account-dump-2021_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/how-to-hack-awsomeeaglefox25-on-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/roblox-hack-no-human-verification-no-download_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/how-to-get-minecraft-for-free-on-xbox-one_GM479516143.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/roblox-shirt-creator-free-shipping_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/roblox-account-hack-2021_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/free-minecraft-alt-accounts_GM479516143.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_off00003360.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3360 22492 bytes
SHA-256: b3bf254ee0f53dcf4bdda241d7d320d667ff3564dc3756c160b15e227bceb93c
font_01_sfnt_off000065ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65AD 19236 bytes
SHA-256: f6310bbe2d06dae4c77b6f744b5d604de39d2190f658d151f77d1a80fcd5aadb

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