Malicious PDF — malware analysis report

Static analysis result for SHA-256 e11ec7989497a9b4…

MALICIOUS

PDF

45.2 KB Created: 2021-05-13 11:31:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 8b5e15749898af980437eccb5d66ac5d SHA-1: 6aaf1c0e486047d3f7552e7b2ea1972f914042b9 SHA-256: e11ec7989497a9b4c0d9860af581b1c37718c5761c5712a8047b41a497cc6cc4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to known malicious infrastructure, specifically promoting 'free generator / game hack' lures. The presence of these links and the heuristic firings strongly indicate a phishing or scam attempt designed to lead users to potentially harmful websites. No scripts were extracted, but the document's structure and embedded URLs are sufficient to infer a 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 https://netcdn.xyz/app/479516143/minecraft-launcher-free-game-hack In PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/coin-master-facebook-page_GM406889139.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/rbxcity-free-robux_GM431946152.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/coin-master-cards-free-cards_GM406889139.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/coin-master-hack-ios-2021_GM406889139.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/hacker-coin-master_GM406889139.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/roblox-phantom-forces-hack_GM431946152.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/are-there-any-coin-master-hacks-that-actually-work_GM406889139.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/mcpe-master-hack-unlimited-coins-latest-version_GM406889139.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/minecraft-bedrock-for-free_GM479516143.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/roblox-booga-booga-hack_GM431946152.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/minecraft-mods-download-free_GM479516143.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/haktuts-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/coin-master-hack-tool-no-human-verification_GM406889139.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/claim-free-robux_GM431946152.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/orewards-com-free-robux_GM431946152.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/free-coin-master-spin-and-coin-link_GM406889139.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
    • https://learning.man1lahat.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-free-download_GM406889139.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_off00004c48.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C48 29724 bytes
SHA-256: 4655dcb94302a4534ccb65457ae8de77fde2acf0ddb837c70da6d8393e262981
font_01_sfnt_off0000901b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x901B 17872 bytes
SHA-256: d837b145e961d25029e35f3a46fce907c35d402980f977a4958a38d6468d5501

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