Malicious PDF — malware analysis report

Static analysis result for SHA-256 2110838659f4e196…

MALICIOUS

PDF

42.9 KB Created: 2021-05-11 03:02:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24
MD5: af4835e1592861ca0ab5272ff6a83bd1 SHA-1: 54c274fffcccd076a0b5e4378010b73b88187837 SHA-256: 2110838659f4e196c52c3dc70395013a2e870d82b743ab7484c7554bc2ee1b1b
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 0.9971

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-hack-without-verification-for-iphone-game-hack PDF link annotation
    • http://electro-nrg.com/images/spin-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • http://electro-nrg.com/images/minecraft-hack-client-download_GM479516143.pdfIn PDF document text
    • http://electro-nrg.com/images/lazyblocks-com-robux_GM431946152.pdfIn PDF document text
    • http://electro-nrg.com/images/coin-master-tips_GM406889139.pdfIn PDF document text
    • http://electro-nrg.com/images/roblox-hack-ios_GM431946152.pdfIn PDF document text
    • http://electro-nrg.com/images/free-roblox-app_GM431946152.pdfIn PDF document text
    • http://electro-nrg.com/images/robux-download_GM431946152.pdfIn PDF document text
    • http://electro-nrg.com/images/coin-master-cheats-and-hacks_GM406889139.pdfIn PDF document text
    • http://electro-nrg.com/images/free-mod-apk-coin-master_GM406889139.pdfIn PDF document text
    • http://electro-nrg.com/images/coin-master-free-rewards-link_GM406889139.pdfIn PDF document text
    • http://electro-nrg.com/images/coin-master-hack-8-ball-pool_GM406889139.pdfIn PDF document text
    • http://electro-nrg.com/images/free-roblox-outfits_GM431946152.pdfIn PDF document text
    • http://electro-nrg.com/images/blox-world-free-robux_GM431946152.pdfIn PDF document text
    • http://electro-nrg.com/images/coin-master-gold-cards-hack_GM406889139.pdfIn PDF document text
    • http://electro-nrg.com/images/free-robux-videos_GM431946152.pdfIn PDF document text
    • http://electro-nrg.com/images/coin-master-free-spins-ios-2021_GM406889139.pdfIn PDF document text
    • http://electro-nrg.com/images/coin-master-hack-no-human-verification-2021_GM406889139.pdfIn PDF document text
    • http://electro-nrg.com/images/coin-master-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://electro-nrg.com/images/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://electro-nrg.com/images/coin-master-free-attack-hack_GM406889139.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_003_off0000485e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x485E 25572 bytes
SHA-256: c72046c691d1b14b151494aa15c9d057201087b09da26001501a0477cd1a3244
font_01_sfnt_off00008427.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8427 18696 bytes
SHA-256: b0c3a89d711ec100aafe578ee7b28ea2727b66157cc397f5079d3cb8995e9fec

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