Malicious PDF — malware analysis report

Static analysis result for SHA-256 fafdac9cfd97975a…

MALICIOUS

PDF

33.9 KB Created: 2021-07-05 23:24:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: a8d3fe60067c7ca4ac549225056754ba SHA-1: 32f68b512ba106deca12eaa12372ce4a14df6337 SHA-256: fafdac9cfd97975ac73375d0aa51382c8756b3f9580106b7503098a37633e877
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • 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.
  • 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/835599320/who-tiktok-free-download-game-hack PDF link annotation
    • http://projectunionstreet.com/library/repository/no-verify-free-robux_GM431946152.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/roblox-hack-menu-2021_GM431946152.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/roblox-shirt-template-size-free-shipping_GM431946152.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/free-robux-and-builderclub_GM431946152.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/free-robux-scam_GM431946152.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/free-robux-generator-codes_GM431946152.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/freespincoin-masterlinkdownload_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/roblox-rape-hack_GM431946152.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/how-to-hack-into-roblox-acc_GM431946152.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/free-minecraft-printables-food-labels_GM479516143.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/are-there-any-coin-master-hacks-that-actually-work_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/coin-master-hack-android-root_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/coin-drop-master-free_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/roblox-mobile-hack_GM431946152.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/coin-master-hack-no-human-verification-2021_GM406889139.pdfIn PDF document text
    • http://projectunionstreet.com/library/repository/easy-robux-hack-on-android_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_off00002fc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FC3 21812 bytes
SHA-256: c493309410e338d9ff7fe7ba3b358aa6a301702dc3fd8264be005ac8719135f3
font_01_sfnt_off0000600f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x600F 18916 bytes
SHA-256: f3c0ede2f1076805706161cc43bd3c01d3f3b338896dbe591ba4af68ee3b9179

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