Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e7dfb8d2befde93…

MALICIOUS

PDF

44.4 KB Created: 2021-06-10 20:41:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: de715edeabcaa966e6687c94053296f0 SHA-1: eba17364f2d4b01f6690d1b2a04b1bc498e78a48 SHA-256: 5e7dfb8d2befde93594b793f660c6e8c1663d96165ef034580f5fe6a89b3e361
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and infrastructure, disguised as a 'game hack' or 'generator'. The document body, though partially corrupted, contains references to these lures and the associated URLs. The presence of these links strongly suggests a phishing or scam attempt, likely leading to further malware download or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.tw/app/431946152/boku-no-roblox-working-hack-script-game-hack In PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/free-robux-no-verification-2021-ios_GM431946152.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/free-coins-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/robux-free-co_GM431946152.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/coin-master-free-food-for-pet_GM406889139.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/how-do-i-earn-robux_GM431946152.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/gaming-dunia-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/free-robux-link_GM431946152.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/coin-master-hack-without-verification-ios_GM406889139.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/coin-master-hack-spin-generator_GM406889139.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/roblox-hacks-com_GM431946152.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/hacked-roblox-accounts-list_GM431946152.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/coin-master-free-spins-link-ios_GM406889139.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/will-minecraft-dungeons-be-free_GM479516143.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/free-robux-with-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/hey-google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/how-to-get-free-things-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/coinmaster-gps-user-review-coinmaster-coin-master-hack-pagedemo-index_GM406889139.pdfIn PDF document text
    • http://www.indokashcrafts.com/uploaded_files/userfiles/files/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000532b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x532B 23424 bytes
SHA-256: 0492ecbb241e722cfd31309d23010103e4e7a0f785fd265c8dbf2a1444a9050d
font_01_sfnt_off000087d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87D6 19208 bytes
SHA-256: bb6248b26e402a66754d833dd0a803dd2ceb24e0af79a97eef1e90780d1e049a

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