Malicious PDF — malware analysis report

Static analysis result for SHA-256 2be8e8abe20abe02…

MALICIOUS

PDF

34.5 KB Created: 2021-06-28 03:25:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 6ee75d0c50a03639060ce380967ffa20 SHA-1: 50d1445b49965e25597591b9955639255dc2dac9 SHA-256: 2be8e8abe20abe0229fb1534b566833b6e0a9a88a16e02ca93287b6da069b585
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links and text that promote game hacks and free in-game currency, specifically targeting Roblox and Coin Master. These links direct users to a malicious redirector infrastructure, which is a common tactic for delivering malware or phishing pages. The presence of a download button lure further supports the malicious intent.

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-hack-legend-speed-game-hack In PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/lazyblocks-com-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/free-printable-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/roebucks-on-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/roblox-free-robux-download_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-com_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/com-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/coin-master-free-spins--spins_GM406889139.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/coin-master-fun-hack-online_GM406889139.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/how-to-hack-critical-strike-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/minecraft-pe-hack-client-2021_GM479516143.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/free-robux-human-verification_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/coin-master-free-spins-through-coin-pop_GM406889139.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/youtube-you-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/coin-master-hack-version-ios_GM406889139.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/is-minecraft-free_GM479516143.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/free-robux-generator_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsnkarawang.sch.id/__statics/gudangsoal/files/free-roblox-toy-codes_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_off00003028.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3028 22344 bytes
SHA-256: 23374064812fcf8bfa15b2c6e112ca9a9c7e54cd069d0f84a34f8e3a48ae230b
font_01_sfnt_off000061bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61BB 19008 bytes
SHA-256: 1ae379155ede2dac618e469905288be61640f240548dece3202b28a828363ce9

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