Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ff7fd20d7ca7dcf…

MALICIOUS

PDF

43.1 KB Created: 2021-05-15 07:09:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-22
MD5: 56b9b429486972bd82a4f442593992d2 SHA-1: d5f498304e3cd38d4eb3a941a9887221d66521c9 SHA-256: 0ff7fd20d7ca7dcf7c7d9428116198f253b15b20cb4112887dc634ea07ffeb30
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to external websites, including one identified as a malicious redirector. The document body and embedded links suggest a lure for game-related cheats or generators, which is a common tactic for distributing malware or engaging in scams. The presence of multiple redirector links indicates a high likelihood of malicious intent to direct users to harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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-hax-download-no-virus-game-hack In PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/rbl-gg-free-robux_GM431946152.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/make-your-own-minecraft-server-free_GM479516143.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/games-that-give-free-robux_GM431946152.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/free-spins-coin-master-links-blogspot_GM406889139.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/all-minecraft-handbooks_GM479516143.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/earn-robux-now_GM431946152.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/best-site-for-free-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/do-coin-master-hacks-work_GM406889139.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/www-robux_GM431946152.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/como-conseguir-monedas-infinitas-y-tiradas-de-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/hack-coin-master-apk-2021_GM406889139.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/get-free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/how-do-you-hack-minecraft_GM479516143.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/minecraft-pe-apk-download_GM479516143.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/robux-match_GM431946152.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://elearningaliyah.almubarakddi.org/__statics/gudangsoal/files/daily-free-spins-on-coin-master_GM406889139.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_off00004b3a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B3A 25424 bytes
SHA-256: ec0d9c5d47cbdbb4d9e931fbdd9e379e64d4401efe09e8961b394512b9eaa4c7
font_01_sfnt_off000084d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84D0 18772 bytes
SHA-256: c700757df4146bcd75611d33c41ed0aca4ff62925dbc333fb331944c4ea3b8c9

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