Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d3ec47bd034ece6…

MALICIOUS

PDF

45.5 KB Created: 2021-05-19 05:44:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4a50fbbbd6bf10a10efd5e2f2533d620 SHA-1: e9ed279b3503f33d85879fa5a0aff344745b4122 SHA-256: 6d3ec47bd034ece6195229059fe1a607b9e6b3170c4c3568435a1c53ae641732
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, specifically advertising "free generator" and "game hack" lures. The primary redirector URL is https://netcdn.xyz/app/431946152/generator-robux-game-hack. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a social engineering attack designed to lead the user to malicious content, likely for further exploitation or credential harvesting.

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/431946152/generator-robux-game-hack In PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-daily-free-cards_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/free-robux-not-fake_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/how-to-get-roblox-credit-for-free_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/roblox-free-pants_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/websites-for-robux_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-free-spins-2021-no-human-verification_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/free-robux-no-email_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/free-spin-and-coin-blogspot-com_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/minecraft-online-free-download_GM479516143.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/how-to-get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/game-hunters-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/free-robux-codes-2021-real_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/get-free-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/free-coin-master-spins-link-facebook_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/working-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/get-free-spins-on-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/how-to-get-minecraft-windows-10-for-free_GM479516143.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
stream_003_off000048dc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48DC 30452 bytes
SHA-256: a7f7422fa35f3ed8dd053236570adb92f489b56cef914a8a3abfe1a4ca65d8e1
font_01_sfnt_off00008fd5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FD5 18184 bytes
SHA-256: b4ce75e5ef7529b15199eebab458c6aae3f76f2df33fea1dae4b183417bcc22e

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