Malicious PDF — malware analysis report

Static analysis result for SHA-256 01070eabe6bedd98…

MALICIOUS

PDF

33.0 KB Created: 2021-06-18 14:50:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-31
MD5: a112ddf6dc7511b560f946081e8b1991 SHA-1: 21eccc04e0a86bc19888a6bbdd0d7044a0e86229 SHA-256: 01070eabe6bedd988f658a37c7cf8da2008565a3e77e486dd2cc2a046ea171c1
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'free generators' and 'game hacks' for popular titles. The document body explicitly contains the phrase 'CLICK HERE TO ACCESS ROBUX GENERATOR' and a primary malicious URL. This indicates a social engineering lure designed to trick users into visiting potentially harmful sites, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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/free4mobile-roblox-hack-game-hack In PDF document text
    • http://library.atim.ac.id/repository/how-to-get-a-free-minecraft-account_GM479516143.pdfIn PDF document text
    • http://library.atim.ac.id/repository/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/roblox-money-hack_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/free-robux-codes-not-used_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/fb-coin-master_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/free-minecraft-java-account_GM479516143.pdfIn PDF document text
    • http://library.atim.ac.id/repository/como-hackear-robux-en-meepcity_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-to-get-an-egtv-tshirt-for-free-no-robux_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-free-spins-apple_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/hackear-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/roblox-jailbreak-hack-download_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/free-shavaka-roblox-id_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/minecraft-bedrock-hacks-windows-10_GM479516143.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-free-coins-link-2021-deutsch_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/roblox-hack-sin-verificacion_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-hack-no-survey-2021_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/roblox-company-robux-free_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/roblox-shirt-template-size-free-shipping_GM431946152.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_off000029e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29E4 22528 bytes
SHA-256: caf0586577d2cf35aa68be91eab19debcdb3268aaff17bc780ee35cc72026486
font_01_sfnt_off00005bda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BDA 19264 bytes
SHA-256: 7058776723d6e1513830db7220d97d28eebff1b83e70608eaa567dff2625d9c3

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