Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea901982542a1cf8…

MALICIOUS

PDF

42.9 KB Created: 2021-05-18 00:21:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 43a9398c55962354362d2eca924f2d67 SHA-1: ab00099cf3c6a1b36e54fd4104f79cfc7fd0af93 SHA-256: ea901982542a1cf8e7cfc35fe129f265b791d9f2485418b7235f7e21e2c9ac36
180 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure of "free generators" and "game hacks" to entice users. It contains multiple embedded URLs that redirect to malicious infrastructure, specifically identified as a malicious redirector. The document's structure and content strongly suggest it is designed to lead users to potentially harmful websites, likely for further malware delivery or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 5

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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.xyz/app/406889139/coin-master-daily-free-spin-and-coin-game-hack In PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/coin-master-games-download-free_GM406889139.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/free-robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/lazy-blocks-com-free-robux_GM431946152.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/coin-master-heaven-links_GM406889139.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/free-robux-master_GM431946152.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/free-roblox-accessories_GM431946152.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/wurst-client-112-2_GM479516143.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/coin-master-spin-link_GM406889139.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/master-coins-free_GM406889139.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/fast-robux-online_GM431946152.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/roblox-hacked-accounts-list_GM431946152.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/how-to-get-minecraft-for-free-on-phone_GM479516143.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/coin-master-free-shield_GM406889139.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/how-to-get-minecraft-for-free-on-android-device_GM479516143.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/free-spins-coin-master-2021-app_GM406889139.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/cool-free-roblox-outfits_GM431946152.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/coin-master-jackpot-madness-hack_GM406889139.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/coin-master-free-spin-bonus_GM406889139.pdfIn PDF document text
    • https://ciptawiratirta.com/assets/CKImages/files/free-roblox-avatar_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
stream_003_off000049ae.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49AE 25872 bytes
SHA-256: 3627e9d58fe481776b0347bc053531f6a36b0a523ac7684c0d9806ced50c09d2
font_01_sfnt_off00008488.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8488 18480 bytes
SHA-256: 323fea871d3154f9ddf991b22fd859b77165b4ee4e2d03de0fe4666202988bbb

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