Malicious PDF — malware analysis report

Static analysis result for SHA-256 5793463f4a6568e9…

MALICIOUS

PDF

43.1 KB Created: 2021-05-12 09:01:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-21
MD5: c6d23c7cd9df80414cea13b61068d45b SHA-1: a98fd137fcc14a9d2fdd9c15a1f7b64b307f1409 SHA-256: 5793463f4a6568e9fd424eaa002b8f9f4cd8a72abf54cc72cc2f09b8bbf2012e
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains embedded URLs that point to a known malicious redirector, which is a strong indicator of malicious intent. The document body and extracted URLs suggest a lure related to game hacks and cheats, aiming to trick users into downloading malware. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 3

  • 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/xray-mod-minecraft-1.14-game-hack In PDF document text
    • https://newenglandafs.com/images/script-executor-roblox-free_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/roblox-getting-hacked_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/june-29-coin-master-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/websites-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/free-spins-coin-master-links-no-human-verification_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/free-girl-hair-roblox_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/minecraft-iphone-free_GM479516143.pdfIn PDF document text
    • https://newenglandafs.com/images/robuxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/if-i-uninstall-minecraft-can-i-reinstall-it-for-free_GM479516143.pdfIn PDF document text
    • https://newenglandafs.com/images/rbl-gg-free-robux_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/coin-master-spin-hack-no-verification_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/coin-master-hack-unlimited-spins-and-coins-cheats_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/coin-master-hack-no-survey-2021_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/coin-master-links-for-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://newenglandafs.com/images/coin-master-free-spins-link-cheat_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • https://newenglandafs.com/images/all-free-items-in-roblox_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
stream_003_off00004af8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AF8 25532 bytes
SHA-256: 7747ccfeb42d41f08eed413c76e377ed01bbdd17a3a4f8fae691c7e164cd8670
font_01_sfnt_off0000853e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x853E 18528 bytes
SHA-256: 27dc6fe7fa9d284304e2d20a0fdf89d35739861aca7d0ce8ff0497fb2d5c6676

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