Malicious PDF — malware analysis report

Static analysis result for SHA-256 af44f966b98db183…

MALICIOUS

PDF

33.5 KB Created: 2021-07-05 07:14:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 0c6a8101145f755a837800f231f4b917 SHA-1: 0c85da49df07b3ec5fd050ba14e1f984fda83022 SHA-256: af44f966b98db183586051089b1ac4f6ae47c0bf7211fd5b9665f2642d6bce56
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple links disguised as game hacks and generators, with one link impersonating PayPal. The primary malicious link, http://netcdn.tw/app/431946152/all-roblox-dance-hacks-game-hack, is designed to lure users into clicking it. This behavior is consistent with phishing or credential harvesting attempts, often delivered via spearphishing attachments.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

Heuristics 5

  • 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.
  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: http://netcdn.tw/app/431946152/all-roblox-dance-hacks-game-hack.
  • 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.tw/app/431946152/all-roblox-dance-hacks-game-hack PDF link annotation
    • https://elearning.min11blitar.sch.id/__statics/gudangsoal/files/roblox-hack-robux-2021-download_GM431946152.pdfIn PDF document text
    • http://elearning.min11blitar.sch.id/__statics/gudangsoal/files/minecraft-xray-hack_GM479516143.pdfIn PDF document text
    • http://elearning.min11blitar.sch.id/__statics/gudangsoal/files/pokemon-go-free-walk-hack_GM1094591345.pdfIn PDF document text
    • http://elearning.min11blitar.sch.id/__statics/gudangsoal/files/roblox-free-vip-server_GM431946152.pdfIn PDF document text
    • http://elearning.min11blitar.sch.id/__statics/gudangsoal/files/como-tener-400-robux-gratis-sin-hack_GM431946152.pdfIn PDF document text
    • https://elearning.min11blitar.sch.id/__statics/gudangsoal/files/tiktok-follower-bot-free_GM835599320.pdfIn PDF document text
    • https://elearning.min11blitar.sch.id/__statics/gudangsoal/files/free-script-executor-lvl-7-roblox-18_GM431946152.pdfIn PDF document text
    • http://elearning.min11blitar.sch.id/__statics/gudangsoal/files/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://elearning.min11blitar.sch.id/__statics/gudangsoal/files/minecraft-pe-hacks_GM479516143.pdfIn PDF document text
    • https://elearning.min11blitar.sch.id/__statics/gudangsoal/files/get-free-robux-no-hack_GM431946152.pdfIn PDF document text
    • http://elearning.min11blitar.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
    • http://elearning.min11blitar.sch.id/__statics/gudangsoal/files/descargar-hack-para-roblox-de-robux_GM431946152.pdfIn PDF document text
    • https://elearning.min11blitar.sch.id/__statics/gudangsoal/files/is-minecraft-free-on-nintendo-switch_GM479516143.pdfIn PDF document text
    • http://elearning.min11blitar.sch.id/__statics/gudangsoal/files/coin-master-hack-spin-generator_GM406889139.pdfIn PDF document text
    • http://elearning.min11blitar.sch.id/__statics/gudangsoal/files/how-to-get-tiktok-famous-free_GM835599320.pdfIn PDF document text
    • http://elearning.min11blitar.sch.id/__statics/gudangsoal/files/counter-blox-roblox-offensive-hack-skins_GM431946152.pdfIn PDF document text
    • http://elearning.min11blitar.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-easy-2021-on-computer_GM431946152.pdfIn PDF document text
    • http://elearning.min11blitar.sch.id/__statics/gudangsoal/files/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.min11blitar.sch.id/__statics/gudangsoal/files/can-i-hack-coin-master-with-lucky-patcher_GM406889139.pdfIn PDF document text
    • http://elearning.min11blitar.sch.id/__statics/gudangsoal/files/daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 6

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_off00002cdf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CDF 22332 bytes
SHA-256: 98bf032c83bef47e0b95fe2880129041156f459644413fdd44336de1e4726f79
font_01_sfnt_off00005eee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EEE 18824 bytes
SHA-256: 06a30345f989bb84dfdb720366802b0c0760905b558038a9b426b9653f0bd766

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