Malicious PDF — malware analysis report

Static analysis result for SHA-256 06adb8f7dcf653f3…

MALICIOUS

PDF

45.3 KB Created: 2021-05-14 12:08:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: f257ebb05d27a9db7b6a1a535ee6d7ca SHA-1: dc806b801c7d328a2fa0eeda4478e499a981cb08 SHA-256: 06adb8f7dcf653f336fd3e48d46169d95d187171c331b871759666fd110a75de
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, disguised as lures for game hacks and generators. The primary link, 'https://netcdn.xyz/app/479516143/free-minecraft-server-hosting-24-7-game-hack', is identified as a malicious redirector. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9507

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/free-minecraft-server-hosting-24-7-game-hack In PDF document text
    • https://www.anagoria.com/images/websites-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://www.anagoria.com/images/free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • https://www.anagoria.com/images/coin-master-free-coins-today_GM406889139.pdfIn PDF document text
    • https://www.anagoria.com/images/robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.anagoria.com/images/how-to-get-unlimited-robux_GM431946152.pdfIn PDF document text
    • https://www.anagoria.com/images/free-robux-app-real_GM431946152.pdfIn PDF document text
    • https://www.anagoria.com/images/roblox-hacked-version_GM431946152.pdfIn PDF document text
    • https://www.anagoria.com/images/coin-master-hack-reddit_GM406889139.pdfIn PDF document text
    • https://www.anagoria.com/images/how-to-get-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://www.anagoria.com/images/coin-master-free-spin-app-reviews_GM406889139.pdfIn PDF document text
    • https://www.anagoria.com/images/minecraft-bedrock-hacks-windows-10_GM479516143.pdfIn PDF document text
    • https://www.anagoria.com/images/free-coin-master-spins-link_GM406889139.pdfIn PDF document text
    • https://www.anagoria.com/images/how-to-get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.anagoria.com/images/i-robux_GM431946152.pdfIn PDF document text
    • https://www.anagoria.com/images/how-to-get-free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.anagoria.com/images/coin-master-rewards_GM406889139.pdfIn PDF document text
    • https://www.anagoria.com/images/free-free-robux_GM431946152.pdfIn PDF document text
    • https://www.anagoria.com/images/free-coins-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://www.anagoria.com/images/can-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.anagoria.com/images/minecraft-free-version_GM479516143.pdfIn PDF document text
    • https://youtuIn 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_003_off00004b37.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B37 24824 bytes
SHA-256: 39eb4d7f3c025a1d5ac978788ae6e6eb2a71725fe6faeccc269dcc65d574b24d
font_01_sfnt_off0000842c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x842C 2936 bytes
SHA-256: 60c26d4d9b8962f4a266dd3de45bd6944114043af6608328296f89db94e53088
font_02_sfnt_off00008e47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E47 18352 bytes
SHA-256: 91a7490c887560cf1db9cb18ebb1e2a98db2d1ca6a1740dfb9f9cb38742cb9c1

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