Malicious PDF — malware analysis report

Static analysis result for SHA-256 aae8017e6dc87de3…

MALICIOUS

PDF

39.3 KB Created: 2021-05-21 01:08:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-22
MD5: e49e3dd8cff231a58e47720ae422d409 SHA-1: d9e9680f310cf1063a858f894d5ff0fa7cb40663 SHA-256: aae8017e6dc87de397b240d9b03461755f63e72adc1b522dd06a94c785208716
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document uses a lure related to game hacks and free downloads to trick users into clicking embedded links. Several heuristics indicate the presence of malicious redirectors and a lure for a download button. The document body, though partially corrupted, contains references to 'Minecraft World Free Download' and a URL associated with malicious redirector infrastructure, suggesting an attempt to lead the user to a malicious download or exploit site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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-world-free-download-game-hack In PDF document text
    • https://creationegyptco.com/userfiles/files/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-spins-coin-master-2021-today_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/what-is-coin-master_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/can-you-earn-robux_GM431946152.pdfIn PDF document text
    • https://sigmaclient.info#2In PDF document text
    • https://flux.today#3In PDF document text
    • http://www.freenom.comHeyIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000339b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x339B 25580 bytes
SHA-256: 0ebdeb7e6d73f03ccc156a15e1fbaac2c3cc1e3afdea6cbbe9049b6576ef63ae
font_01_sfnt_off00006d81.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D81 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off00007791.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7791 18488 bytes
SHA-256: 53d97953320c4a27ca75ab54c15cccabcbe94f1a7eef6df1be3b25df4f56750c

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