Malicious PDF — malware analysis report

Static analysis result for SHA-256 027327e82f1f93f2…

MALICIOUS

PDF

44.9 KB Created: 2021-05-14 12:07:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: e4536c42c6c5d41b21292ecc2635fda1 SHA-1: 6b7b98d748e096e94b18225eea9a8e83c171a25f SHA-256: 027327e82f1f93f24c629fce0f91f333e34cccb24f954c856e1085aaa0208aea
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 0.9632

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/406889139/coin-master-free-spin-and-coin-link-today-game-hack PDF link annotation
    • http://iglesiashispanas.org/images/roblox-games-with-free-boombox_GM431946152.pdfIn PDF document text
    • http://iglesiashispanas.org/images/robloxfun-com-robux_GM431946152.pdfIn PDF document text
    • http://iglesiashispanas.org/images/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
    • http://iglesiashispanas.org/images/huskybuscom-free-robux_GM431946152.pdfIn PDF document text
    • http://iglesiashispanas.org/images/free-robux-com-2021_GM431946152.pdfIn PDF document text
    • http://iglesiashispanas.org/images/coin-master-hack-tips_GM406889139.pdfIn PDF document text
    • http://iglesiashispanas.org/images/rbl-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://iglesiashispanas.org/images/android-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://iglesiashispanas.org/images/coin-master-fun-hack_GM406889139.pdfIn PDF document text
    • http://iglesiashispanas.org/images/coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://iglesiashispanas.org/images/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://iglesiashispanas.org/images/easy-robux-generator_GM431946152.pdfIn PDF document text
    • http://iglesiashispanas.org/images/coin-master-hack-apk-2021-download_GM406889139.pdfIn PDF document text
    • http://iglesiashispanas.org/images/how-to-earn-free-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • http://iglesiashispanas.org/images/como-descargar-coin-master-hackeado_GM406889139.pdfIn PDF document text
    • http://iglesiashispanas.org/images/coin-master-hack-co_GM406889139.pdfIn PDF document text
    • http://iglesiashispanas.org/images/coin-master-free-spins-daily_GM406889139.pdfIn PDF document text
    • http://iglesiashispanas.org/images/free-money-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://iglesiashispanas.org/images/freerubux_GM431946152.pdfIn PDF document text
    • http://iglesiashispanas.org/images/claimrobux-net_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_003_off0000464f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x464F 24912 bytes
SHA-256: e58a78f475efbf7310c4fb1218e946c7967ec1d4385dd7fb6d6f68870d542efd
font_01_sfnt_off00007f4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F4B 2928 bytes
SHA-256: 0bb26577d52c8d51e00ad4edc5eaecc41f30204c62dca387b29f5eedfceecc2d
font_02_sfnt_off00008969.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8969 19384 bytes
SHA-256: dfb4c93a2b3492d2e1752a30890b5fffc2a7f02a07e98b5608eb7e906e15a4dd

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