Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f554e02858a64d7…

MALICIOUS

PDF

45.1 KB Created: 2021-05-12 19:32:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 78745c874ced2c3afc6d78eb6b1838a0 SHA-1: d0c57099f5969b736dd5aae9932ad9213182f6b8 SHA-256: 3f554e02858a64d75ccd31e9eed6bae9ceff322dad3d934a8eb0027d9e66093a
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 0.9621

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/479516143/how-to-download-minecraft-for-free-on-iphone-game-hack PDF link annotation
    • http://kishplus.ir/images/coin-master-hack-spins-download_GM406889139.pdfIn PDF document text
    • http://kishplus.ir/images/www-bandicam-com-free-robux_GM431946152.pdfIn PDF document text
    • http://kishplus.ir/images/free-robux-no-human-verification-no-survey_GM431946152.pdfIn PDF document text
    • http://kishplus.ir/images/free-minecraft-domain_GM479516143.pdfIn PDF document text
    • http://kishplus.ir/images/coin-master-tool-hack_GM406889139.pdfIn PDF document text
    • http://kishplus.ir/images/daily-free-spin-coin-master-link_GM406889139.pdfIn PDF document text
    • http://kishplus.ir/images/free-roebucks-no-human-verification_GM431946152.pdfIn PDF document text
    • http://kishplus.ir/images/how-to-get-free-spins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
    • http://kishplus.ir/images/free-spins-in-coin-master-without-human-verification_GM406889139.pdfIn PDF document text
    • http://kishplus.ir/images/how-to-earn-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://kishplus.ir/images/60-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://kishplus.ir/images/how-to-get-roebucks-on-roblox_GM431946152.pdfIn PDF document text
    • http://kishplus.ir/images/coin-master-hack-online-android_GM406889139.pdfIn PDF document text
    • http://kishplus.ir/images/robux-generator_GM431946152.pdfIn PDF document text
    • http://kishplus.ir/images/50-000-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://kishplus.ir/images/coin-master-free-spin-game_GM406889139.pdfIn PDF document text
    • http://kishplus.ir/images/minecraft-pocket-edition-download-free-pe-calculator_GM479516143.pdfIn PDF document text
    • http://kishplus.ir/images/how-to-get-more-robux-for-free_GM431946152.pdfIn PDF document text
    • http://kishplus.ir/images/coin-master-free-link-spin_GM406889139.pdfIn PDF document text
    • http://kishplus.ir/images/can-i-hack-coin-master-with-lucky-patcher_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000049fb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49FB 24980 bytes
SHA-256: bde68da6c180c1e365befd019bac121ea653937e833329c08a0fe6e938241320
font_01_sfnt_off000082ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82AC 2952 bytes
SHA-256: 2021865124e0da768db44cda0fd0531e434e2af44b7cc5fe11859efe54487e98
font_02_sfnt_off00008cd3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CD3 18632 bytes
SHA-256: a38ec870b75b85e502f421fe1ead362eb1db7184f5387a13d9ce5f1a3d5be23c

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