Malicious PDF — malware analysis report

Static analysis result for SHA-256 b006aa7935f6fe33…

MALICIOUS

PDF

41.2 KB Created: 2021-05-14 16:35:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 1814cbc53f6279e1e0c376acd3c41bdf SHA-1: 2ca3d61ad54a6f338a1700c79061286c57e540e8 SHA-256: b006aa7935f6fe33c61f684be7f9116ffe0dae3987091a049f71071e671e07ae
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically promoting game hacks and generators. The document body, though heavily obfuscated, contains URLs that are consistent with this lure. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/406889139/freespinandcoin-game-hack In PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-gameplay_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/hacked-client-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/minecraft-online-free-download_GM479516143.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/toolbox-for-minecraft-pe-mod-apk_GM479516143.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/roblox-e-free_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/how-to-hack-roblox_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/roblox-com-redeem_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-fan-hack_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/how-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-fun-free-spins_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/fb-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-free-spins-daily-link-updated_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-daily-free-spins-25_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/link-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/roblox-images_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-apk-mod-free-download_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/aristois-minecraft-hack_GM479516143.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/master-coin-free-spin-daily_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/websites-for-robux_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_off000047d1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47D1 24480 bytes
SHA-256: 5fa66909b8d8a83993dddd8a2cbf1221652cc191b186eebaa95113a4ae490542
font_01_sfnt_off00007f8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F8C 17956 bytes
SHA-256: 1c693cd3c749c7deb88a93ce437f6f23953c7e7e8560ccdde2498ee9463f8dc4

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