Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce7daffd4df22969…

MALICIOUS

PDF

35.3 KB Created: 2021-06-26 09:39:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-31
MD5: f686987a9a09a268138e97d937727ec0 SHA-1: 9409fe1dc49acaea445430ddfcc0b14c86827d31 SHA-256: ce7daffd4df229693a45e6cb7c5f68b28b1b4f223920f7d94df2ef44f7f6ec4d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free game currency and hacks to entice users. It contains multiple links to malicious redirectors and other PDFs, indicating a phishing or scam campaign. The primary malicious URL identified is http://netcdn.co/app/431946152/how-to-get-free-robux-easy-november-2021-game-hack, which serves as a gateway to further malicious content.

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 http://netcdn.co/app/431946152/how-to-get-free-robux-easy-november-2021-game-hack In PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/real-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/hacks-for-roblox-phantom-forces-2021_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/roblox-hack-exploit-troll_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/free-tiktok-accounts-and-passwords_GM835599320.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/roblox-jailbreak-free-cars_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/how-hack-in-roblox-with-bad-words_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/roblox-hacks-s_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/roblox-money-cheat-2021_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/les-commandes-dadmin-roblox-les-plus-cheat_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/free-robux-hackfor-any-decice_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/hacker-minecraft-song_GM479516143.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/free-outfits-roblox-names_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/demon-hack-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/how-to-hack-in-roblox-2021-jailbreak-mac-os_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/roblox-john-doe-when-they-hack_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/hack-download-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/how-to-get-robux-money-for-free_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnlingga.sch.id/__statics/gudangsoal/files/youtube-free-robux-obby_GM431946152.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
font_00_sfnt_off00003150.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3150 22052 bytes
SHA-256: 2f4e82e26f42dc6aabb65f16e84b655a78d2a43bad279f773aff7087eec02352
font_01_sfnt_off0000622a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x622A 19940 bytes
SHA-256: 4fc48d03a834acb8407201a11262521230a79ee63174c0558ecf7bbe2ee8fbe3

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