Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e60dca968cb54ae…

MALICIOUS

PDF

43.1 KB Created: 2021-06-03 14:23:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-21
MD5: 790784887e791da16cbf4bfe33a5fbcd SHA-1: 275d9d65760b00164d137f33ec69aa9c4fe81cf1 SHA-256: 8e60dca968cb54ae3d2ec288309f615159d38b890fcd2f869bbf2d77bde7e875
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to what appears to be a game hack generator, which is a common lure for phishing or malware delivery. The primary link redirects to known malicious infrastructure, suggesting a malicious intent to redirect users to potentially harmful content. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lure strongly indicate a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9874

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 https://netcdn.online/app/406889139/coin-master-cheats-free-game-hack In PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/coin-master-free-gifts_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/how-can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/free-robux-no-human-verification-and-no-survey_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/coin-master-hacks-for-free-spins_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/claim-robux_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/coinmasterfreespinlink_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/coin-master-cheats-free-spins_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/how-to-coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/roblox-free-clothes-hack_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/claimrobux-net_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/coin-master-spin-hack-pc_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/roblox-adopt-me-hack_GM431946152.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • http://www.otomasi.uinjambi.ac.id/repository/can-you-really-hack-coin-master-ios_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
stream_004_off00004f74.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F74 24336 bytes
SHA-256: 105afa2922ce19e11816e3c70287356332a0295bd306c8f9c119c6fca62217dc
font_01_sfnt_off0000872e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x872E 17876 bytes
SHA-256: 3080be39145a7e19e49f31c27d216b7ef11c5a53cf2903de633486ff32396878

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