Malicious PDF — malware analysis report

Static analysis result for SHA-256 8399923846515866…

MALICIOUS

PDF

36.3 KB Created: 2021-05-23 17:37:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 810c30bd272947325da1c02f73730c24 SHA-1: 7db038485395892b555fa43fa504f82cc0966db5 SHA-256: 8399923846515866d9ea892597617674fba621a1d4bcff446acc64cd25c61af5
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, disguised with lures related to popular games like Minecraft and Roblox. The document body explicitly contains a call to action 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' and a primary URL that is flagged as malicious. This indicates a phishing or scam attempt designed to lead users to potentially harmful content or further malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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.xyz/app/479516143/minecraft-free-play-no-download-game-hack In PDF document text
    • http://cornerwebstudio.com/images/free-printable-roblox-coloring-pages_GM431946152.pdfIn PDF document text
    • http://cornerwebstudio.com/images/free-draw-2-roblox_GM431946152.pdfIn PDF document text
    • http://cornerwebstudio.com/images/free-coin-master-spins-link_GM406889139.pdfIn PDF document text
    • http://cornerwebstudio.com/images/blogspot-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://cornerwebstudio.com/images/robux-hack-no-human-verification_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003249.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3249 25104 bytes
SHA-256: d1355b4ab91afdb2a6dd542501afa890a8fc667861228ee09570c381151f6ec9
font_01_sfnt_off00006b70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B70 18624 bytes
SHA-256: fbb9b780a0bb14823a54994ffd1331078a17861a297534d48eb4e2856c7fc06d

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