Malicious PDF — malware analysis report

Static analysis result for SHA-256 3558175e4d58c612…

MALICIOUS

PDF

34.7 KB Created: 2021-06-28 09:11:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8d73970d23a3fe552226f5aa5be569ea SHA-1: 32ab90694ee3687dd49f2b71ec653888c5ad91b1 SHA-256: 3558175e4d58c612c603d452513b9064c5649b645d00cff4f303f597120b1256
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that lead to redirectors, specifically advertising game hacks and free currency generators for popular games like Roblox. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates these URLs point to known malicious infrastructure. The document body and heuristics suggest a social engineering lure to trick users into visiting these sites, likely for further malware delivery or phishing.

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/hacker-roblox-bob-esponja-game-hack In PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/can-you-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/robux-800-fre_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/roblox-com-hack_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/roblox-game-that-gives-you-free-robux_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/getrobux-now_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/coin-master-400-spin-link-today_GM406889139.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/all-apocalypse-rising-cheats-roblox_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/free-coin-master-spin-generator_GM406889139.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/is-there-any-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/free-coins-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/free-robux-generator-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/free-account-roblox-with-robux_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-no-survey_GM406889139.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/who-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/hacks-roblox_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/free-robux-codes-2021-live_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/can-you-actually-get-free-robux_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/free-robux-app_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 5

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_off00003185.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3185 22036 bytes
SHA-256: 81065af5fc36dd2e5b4bbc091caebd28f5a4a22ac9596e728ad47922d9629933
font_01_sfnt_off00006256.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6256 19020 bytes
SHA-256: 110786fd83941b14b5c8ae464d4a02b3691377fc3115aaa610ac227ab8a0f061

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