Malicious PDF — malware analysis report

Static analysis result for SHA-256 b80635c46ab8a869…

MALICIOUS

PDF

43.4 KB Created: 2021-06-04 04:47:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 6f41894928549fcd78752bb148d0c9b3 SHA-1: 6b192be4e984c0cc7fd2e2eaa6cf98503ec4bb64 SHA-256: b80635c46ab8a869b9e15db83b1d86068e3606a0fa775d0652547d6f6678cbfe
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 0.9865

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.online/app/406889139/coin-master-official-website-game-hack PDF link annotation
    • http://perpus.polimarim.online/repository/coin-master-free-spins-and-coins-group_GM406889139.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/archery-master-3d-apk-and-mod-free-download-unlimited-coins_GM406889139.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/free-roblox-gift-card_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/how-to-get-free-mods-in-minecraft_GM479516143.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/i-need-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/coin-master-gameplay_GM406889139.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/rblx-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/coin-master-free-in-app-purchases_GM406889139.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/pubg-uc-shop-qatar_GM1330123889.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/como-hackear-el-juego-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/how-to-get-free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/minecraft-svg-free_GM479516143.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/robux-free-co_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/how-to-hack-someones-roblox-account-2021_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/freespinandcoin-blogspot-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/pokemon-go-accounts-free-list-2021_GM1094591345.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/no-scam-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/how-to-get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004faf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4FAF 24716 bytes
SHA-256: 325e8f8fa0a350fce69177baf6805ded4fdfb43f42639ebcddd38bc803b26efc
font_01_sfnt_off000087d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87D9 17976 bytes
SHA-256: f83cd6eff6e90b0f8fdfadcf78fef37e75bbde293384ed15c7aa3271bbb87f53

Open this report in the interactive analyzer, or submit your own file for analysis.