PDF static analysis report

Static analysis result for SHA-256 256193a27955d817…

SUSPICIOUS

PDF

48.4 KB Created: 2021-06-09 05:15:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: a6782ad056ce80369ca069b3d78c8645 SHA-1: d3d91d45e6de8a2818ba67b20cb6f662b7de3f20 SHA-256: 256193a27955d8173058d0c00b11a57a691648263121b3eb5c44a715c26bfede
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a prominent external URI pointing to a 'free Robux generator' which is a common lure for scams and potentially unwanted software. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were directly extracted, the presence of embedded URLs and the nature of the lure suggest an attempt to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

Heuristics 3

  • 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.tw/app/431946152/free-robux-generator-no-human-verifacations-or-downlods-to-chrome-game-hack PDF link annotation
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/pubg-uc-usa_GM1330123889.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/will-minecraft-dungeons-be-free_GM479516143.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/discord-servers-free-robux_GM431946152.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/bux-life-free-robux_GM431946152.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-hack-ios-apk_GM406889139.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/tiktok-free-google-home-mini_GM835599320.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/roblox-troll-outfits-free_GM431946152.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/google-how-do-you-get-robux_GM431946152.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-spins-link-in-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-coin-master-hacks-no-verification_GM406889139.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-spins-coin-master-twitter_GM406889139.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-robux-redeem-codes_GM431946152.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-hack-tips_GM406889139.pdfIn PDF document text
    • https://puskesmasdenbar2.denpasarkota.go.id/new/public/ckfinder/userfiles/files/exploit-roblox-hack-2021-octubre_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_004_off00005441.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5441 24764 bytes
SHA-256: b73a6d39c2538d300c89caa3f08c2c95de0d66f17a4963645b1b7fa3e343dfc7
font_01_sfnt_off00008cbe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CBE 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off00009670.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9670 19604 bytes
SHA-256: a3c16f6e9ede9f7e863014a6da5da1f58682eabbf6cee71c23a6f306c9cc3c3e

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