Malicious PDF — malware analysis report

Static analysis result for SHA-256 08f7b93ff9a75ded…

MALICIOUS

PDF

33.8 KB Created: 2021-06-26 00:22:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 2bbd92dd036e274a822768bc3422fae4 SHA-1: 080a86c4c6068610e633b6eafc7f565303c5fbc7 SHA-256: 08f7b93ff9a75ded5a95ac129d07021b0a565a0f7e26c86c1319c4ee57a4a160
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file exploits a common lure of free game currency and hacks to trick users into clicking malicious links. The primary link directs to a known malicious redirector infrastructure, which likely serves as a gateway to further malicious content or downloads. The document body and embedded URLs reinforce this theme, aiming to entice users into a potentially harmful workflow.

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/robux-hack-tools-game-hack In PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/minecraft-ore-finder-mod_GM479516143.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/free-spins-coin-master-march-2021_GM406889139.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/coin-master-free-spins-daily_GM406889139.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/free-robux-hack_GM431946152.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/free-minecraft-codes_GM479516143.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/free-roblox-shirts-templates_GM431946152.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/minecraft-windows-10-free_GM479516143.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/minecraft-free-computer-game_GM479516143.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/coin-master-free-spin-27_GM406889139.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/get-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/how-to-make-a-roblox-group-for-free_GM431946152.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/coin-master-free-spins-hack-iphone_GM406889139.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/free-robux-codes-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/extra-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/is-tiktok-free_GM835599320.pdfIn PDF document text
    • https://puslitbangperhutani.com/ckfinder/userfiles/files/coin-master-free-spins-link-today-new-2021_GM406889139.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
font_00_sfnt_off00002f05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F05 22004 bytes
SHA-256: 8387d11ca5f63750702c8547cf347f1bbc35bd5171f4493e210271316705ab16
font_01_sfnt_off00005f75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F75 18796 bytes
SHA-256: 97734c8ebbf9bdc7b81322975eb62755299ace721750a42e967de7f23eec8635

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