Malicious PDF — malware analysis report

Static analysis result for SHA-256 d474ddd5167e5796…

MALICIOUS

PDF

45.0 KB Created: 2021-06-03 03:53:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 3dd3e9918aed5e5a87ce1f192ca452b1 SHA-1: dbae1db4f9499ddef2247c37930b704b41aad243 SHA-256: d474ddd5167e57964796c9550c7ec029758b324f3e25e952a04f58d8a4519533
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document employs a lure related to 'free Robux' and 'game hacks' to entice users. It contains embedded URLs that likely lead to further malicious content or phishing pages. The heuristic 'SE_MFA_LURE' suggests a potential credential harvesting attempt, possibly by abusing multi-factor authentication mechanisms.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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 https://netcdn.online/app/431946152/free-robux-sites-that-work-game-hack PDF link annotation
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/free-minecraft-codes_GM479516143.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/how-to-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/minecraft-pe-apk-download_GM479516143.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/how-to-make-free-robux_GM431946152.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/coin-master-35-2-hack_GM406889139.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/mcpe-master-coin-hack-apk_GM406889139.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/offers-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/spin-and-coin_GM406889139.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/free-minecraft-account-generator_GM479516143.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/free-roblox-card-codes_GM431946152.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/levvvel-coin-master_GM406889139.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/minecraft-hack-client-download_GM479516143.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/free-robux-without-offers_GM431946152.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/coin-master-hack-ios-10_GM406889139.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/free-robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/roblox-hack-site_GM431946152.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/how-to-get-daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/how-to-get-free-cards-on-coin-master_GM406889139.pdfIn PDF document text
    • https://jualgerobakangkringan.com/ckfinder/userfiles/files/bux-life-free-robux_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
stream_004_off00005246.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5246 25452 bytes
SHA-256: 02daaf0dbc92715cda94e320f5f0d693e5ce03e415af638bd796e3b26c81c050
font_01_sfnt_off00008b2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B2C 19000 bytes
SHA-256: c0bc6bb0706fab35ff455fc4816471a1ab7f6ae4486f691ef98043b3efa3f18d

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