Malicious PDF — malware analysis report

Static analysis result for SHA-256 343a1371cd40b93e…

MALICIOUS

PDF

35.7 KB Created: 2021-06-19 13:44:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 87c0d7369ff61def0583a3fe97fb087a SHA-1: b7f4e40e96906ba59a97fce391937533f1031a52 SHA-256: 343a1371cd40b93e10b82c198b5b3cd26a0050b929f17207edf14aa769d283f1
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'game hacks' and 'free generators'. The primary URL identified is http://netcdn.co/app/431946152/funny-hack-scripts-roblox-pastebin-game-hack, which is flagged as a malicious redirector. The document's content and structure strongly suggest a phishing or scam attempt designed to lead users to potentially harmful websites.

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/funny-hack-scripts-roblox-pastebin-game-hack In PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-coin-master-cheats_GM406889139.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/tower-defens-roblox-simulator-hack_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/minecraft-bedrock-edition-download-pc-free_GM479516143.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/minecraft-build-hacks_GM479516143.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/cheat-engine-64-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/win-free-robux_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/coin-master-rewards-app_GM406889139.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/hcbb-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/coin-master-game-free-spin_GM406889139.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-roblox-hacks-phantom-forces_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/bloxpage-free-robux_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/coin-master-free-spin-link-app_GM406889139.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-animation-roblox-2021_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/best-free-stuff-on-roblox_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/robux-simulator-hack_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/hack-version-coin-master-apk_GM406889139.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-roblox-aimbot_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/roblox-gift-card-codes-free-codes_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/coin-master-mod_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_off0000322f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x322F 22668 bytes
SHA-256: 4d8ec7bf3f34c66ef903cdbe2c663c99bbdc69dc9d4b7a0ea63eba1b15214f20
font_01_sfnt_off000064b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64B9 19692 bytes
SHA-256: 9ee5abdfce1595509ac0909f03fde336b51fc2a2b12afedae427869cc8d03b22

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