Malicious PDF — malware analysis report

Static analysis result for SHA-256 03485a0f27b1437d…

MALICIOUS

PDF

33.8 KB Created: 2021-06-26 17:17:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 85b8e0cce0e52b7505ebea94e1121e90 SHA-1: 1414c3bb99747f1463917780a92e66f8d36da1ca SHA-256: 03485a0f27b1437dcd8bc1b2a4e52c09dd58f4cb1cd4cb509447ed13ec6de775
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors and game hack lures, indicating a phishing or malware distribution attempt. The document body and embedded URLs suggest a lure for game-related cheats, likely to download a second-stage payload or redirect to a phishing site. No scripts were extracted from this sample.

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/can-i-make-a-roblox-group-for-free-game-hack In PDF document text
    • http://lib.fekon.untad.ac.id/repository/free-spins-coin-master-2021-hack_GM406889139.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/how-to-hack-in-any-game-on-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/how-to-get-free-r-in-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/how-to-hack-robux-on-mac-2021_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/free-kak-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/today-coin-master-spin-free_GM406889139.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/free-clothing-on-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/roblox-murderer-mystery-2-gem-cheats_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/tiktok-free-likes_GM835599320.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/roblox-star-glitcher-hack_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/minecraft-pe-hacks-2021_GM479516143.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/worst-roblox-avatars_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/roblox-phantom-forces-jump-cheat_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/how-to-make-free-shirts-in-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/coin-master-free-spins-generator-no-verification_GM406889139.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/cool-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/ultimate-roblox-hacking-robux-website_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/corn-master_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_off00002e06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E06 21880 bytes
SHA-256: d27dadb8b6b3778ebea1579621db815ad964a00ad85789c928f1360476383576
font_01_sfnt_off00005e26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E26 19332 bytes
SHA-256: 55f7c8e0568324155ed0b0145ea3e81654d786e9a866a755b372cbb9bd448cfe

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