Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0653d64d1c1e728…

MALICIOUS

PDF

37.0 KB Created: 2021-05-22 12:38:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02
MD5: d7c25528f4400451bfd0c826a1e95a99 SHA-1: 1e32b24fa3204fe27b756c2df39025f5539251d4 SHA-256: e0653d64d1c1e728813a278aeaf0e075d7244ad13123907add37af2a34949765
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 0.7010

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 https://netcdn.xyz/app/835599320/free-tiktok-likes-no-survey-game-hack PDF link annotation
    • https://man1bengkulu.xyz/__statics/gudangsoal/files/get-robux-com_GM431946152.pdfIn PDF document text
    • https://man1bengkulu.xyz/__statics/gudangsoal/files/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
    • https://man1bengkulu.xyz/__statics/gudangsoal/files/robux-for-kids_GM431946152.pdfIn PDF document text
    • https://man1bengkulu.xyz/__statics/gudangsoal/files/minecraft-pocket-edition-download-free-pe-calculator_GM479516143.pdfIn PDF document text
    • https://man1bengkulu.xyz/__statics/gudangsoal/files/free-roblox-avatar_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00002fdf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2FDF 23856 bytes
SHA-256: 4139e497e5e0e767ffff0c68076753a1bb3d749933ae0b481a556049cded690e
font_01_sfnt_off00006668.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6668 2840 bytes
SHA-256: 0ff7203f6678b3ce5cadf82d8d4ab75daf80d11355a5b436446d16072593a6f7
font_02_sfnt_off00007023.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7023 17892 bytes
SHA-256: 070bbf181fa5f5f9f6e7cc39461a8fafc014c6f37f15ae67e02d5fc4d998fce6

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