Malicious PDF — malware analysis report

Static analysis result for SHA-256 63ab364ee0ce3cb1…

MALICIOUS

PDF

35.6 KB Created: 2021-07-04 20:27:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 69dec5b7752718a6629c979a33781ad5 SHA-1: 6b6cc22e2f0e0d176d3dc9d1d223223cfcc5b107 SHA-256: 63ab364ee0ce3cb1472181f0f9602f59f3d026102029a7140a45954f4677ae88
168 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF document contains a link that is identified as a malicious redirector, specifically designed to lure users with game hack or generator content. The document body and heuristics indicate a deceptive attempt to trick users into visiting a potentially harmful URL. No scripts were extracted from this sample, but the presence of a malicious redirector is a strong indicator of a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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.tw/app/479516143/is-minecraft-free-on-nintendo-switch-game-hack In PDF document text
    • https://pustaka.widyakartika.ac.id/repository/free-spin-link-in-coin-master-game_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/roblox-full-game-free-download_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/coin-master-3533-android-hack_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/how-to-hack-mcpe-master-coins_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/exploit-roblox-hack-free_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/roblox-hack-btool-2021-august_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/free-spins-coin-master-generator_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/how-to-hack-mad-paintball-on-roblox_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/pubg-uc-mtc_GM1330123889.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/appsmob-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/coin-master-hacks-iphone_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/how-to-get-1-million-robux-for-free_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/roblox-hack-jailbraik_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/minecraft-modded-client_GM479516143.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/roblox-tycoon-cash-hack_GM431946152.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/minecraft-free-apk-download-016-0_GM479516143.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/how-to-get-minecraft-bedrock-for-free-with-java_GM479516143.pdfIn PDF document text
    • https://pustaka.widyakartika.ac.id/repository/how-to-get-free-robux-without-verification_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_off00003449.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3449 23028 bytes
SHA-256: a2e75147d21b1457c650e2a6103ada7181110f35b7f7fa696fff1c08c6d6c5be
font_01_sfnt_off000067db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67DB 18504 bytes
SHA-256: 035f5d8ef8350e24a3af1512607c8038298d3a653734e660af7a83e7ae7aea46

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