Malicious PDF — malware analysis report

Static analysis result for SHA-256 a340e0574e011085…

MALICIOUS

PDF

36.0 KB Created: 2021-06-25 16:03:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: bd7790320a708ce931d263c29759ab12 SHA-1: 7dc219c0b3d2703815b947e8300340cf6c57db4c SHA-256: a340e0574e0110851cce5363f2ab385eb0463457d00c5aedd5413496c35fa886
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one identified as a malicious redirector, designed to lure users into downloading potentially harmful content related to game hacks. The document body and heuristics indicate a scam or phishing attempt, likely to distribute malware or lead to further compromise. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

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/todos-los-hacks-de-check-casher-v3-roblox-prision-life-game-hack In PDF document text
    • https://library.elkatarie.ac.id/repository/how-to-put-cheat-codes-roblox-bubblegum_GM431946152.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/roblox-avatar-editor-free_GM431946152.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/haktuts-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/how-to-become-headless-in-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/how-to-get-minecraft-for-free-on-ps4_GM479516143.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/how-to-create-a-free-group-on-roblox_GM431946152.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/free-robux-only-username_GM431946152.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/free-minecraft-java-account_GM479516143.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/hack-free-spin-coin-master_GM406889139.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/minecraft-hacks-115-2_GM479516143.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/roblox-free-robux-tampermonkey_GM431946152.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/free-spins-on-coin-master-link_GM406889139.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/will-minecraft-ever-be-free_GM479516143.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/free-robux-apk_GM431946152.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/start-earning-free-robux-today_GM431946152.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/coin-master-free-link-2021_GM406889139.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/infinite-jump-roblox-hack-download_GM431946152.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/coin-master-cheats_GM406889139.pdfIn PDF document text
    • https://library.elkatarie.ac.id/repository/free-robux-group_GM431946152.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_off000032e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32E4 22748 bytes
SHA-256: abdee7d5641c0c54306582b3c24a2b5a65e28ce299522f935b201684736d06c0
font_01_sfnt_off000065c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65C0 19744 bytes
SHA-256: 8b7567f010f6fa6d7e4a0323d95b251098031b006870fae0839cc15554df9dc7

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