Malicious PDF — malware analysis report

Static analysis result for SHA-256 b013c770a86808f9…

MALICIOUS

PDF

34.8 KB Created: 2021-06-26 10:51:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-23
MD5: 8433281c9851bf870081922c952958ea SHA-1: 39c5286f6dd6d7ee8cd68066937c2f3ad36790f5 SHA-256: b013c770a86808f9332e66d1892cf7589f7321873e4de3c32ea659cb60dacda9
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, masquerading as game hacks and generators. The primary lure, 'how-to-hack-roblox-accounts-without-email-game-hack', is a clear indicator of a phishing or scam attempt. While no scripts were extracted, the embedded URLs and the PDF's structure strongly suggest a social engineering attack aimed at tricking users into visiting potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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 http://netcdn.co/app/431946152/how-to-hack-roblox-accounts-without-email-game-hack In PDF document text
    • http://perpus.i2s-learning.com/repository/minecraft-life-hacks_GM479516143.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/fnaf-rolelay-roblox-money-hack_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/roblox-hacked-com-2021_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/coin-free-master_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/roblox-free-gift-card-com_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/coin-master-el-tiger-card-free_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/how-to-get-free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/hacks-roblox-my-hero-academia-2021_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/free-roblox-accessories_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/how-to-hack-roblox-with-cookie-editor_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/daily-free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/how-to-hack-in-roblox-prison-life_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/free-robux-no-human-verification-generator_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/hacks-for-vehicle-simulator-roblox-2021_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/free-spin-and-coin-blogspot_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/coin-master-hack-ios-12_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/cheat-in-roblox-rocitizens-money_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/free-spins-on-coin-master-app_GM406889139.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
font_00_sfnt_off000030e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30E7 21740 bytes
SHA-256: 094b83a6e848ccd96ad4430a850d91c9e913db95d29296dec91fd56b2bbb1fbb
font_01_sfnt_off000060c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60C1 19808 bytes
SHA-256: f466b91a7f246cf369148ec4635b0e604e67f6b27508d486caf740036de75212

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