Malicious PDF — malware analysis report

Static analysis result for SHA-256 842ed39ef670d331…

MALICIOUS

PDF

42.3 KB Created: 2021-05-13 02:03:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 131af6761be816cd9a2875ea10df6cf6 SHA-1: 308b727add3bfb1af4f94a4a1fe0554302f3e66e SHA-256: 842ed39ef670d331ecd0ae5e367b8802b005c6403330ba8061ddd7457a99c786
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a primary external URI pointing to sites offering game-related hacks and free spins, indicative of a phishing or malware distribution lure. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to trick users into visiting potentially harmful sites. No scripts were extracted, but the presence of multiple malicious-looking URLs suggests a downloader or phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/406889139/100-free-spins-for-coin-master-2021-game-hack PDF link annotation
    • http://moringaforlove.com/images/minecraft-mac-free_GM479516143.pdfIn PDF document text
    • http://moringaforlove.com/images/what-is-wurst_GM479516143.pdfIn PDF document text
    • http://moringaforlove.com/images/coin-master-hack-xyz_GM406889139.pdfIn PDF document text
    • http://moringaforlove.com/images/coin-master-raid-hack_GM406889139.pdfIn PDF document text
    • http://moringaforlove.com/images/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://moringaforlove.com/images/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
    • http://moringaforlove.com/images/roblox-bux-free_GM431946152.pdfIn PDF document text
    • http://moringaforlove.com/images/how-to-hack-roblox-accounts-on-phone_GM431946152.pdfIn PDF document text
    • http://moringaforlove.com/images/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • http://moringaforlove.com/images/how-to-get-free-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://moringaforlove.com/images/cheat-codes-for-coin-master_GM406889139.pdfIn PDF document text
    • http://moringaforlove.com/images/free-robux-no-generator_GM431946152.pdfIn PDF document text
    • http://moringaforlove.com/images/free-shields-coin-master_GM406889139.pdfIn PDF document text
    • http://moringaforlove.com/images/2021-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://moringaforlove.com/images/coin-master-event-hack_GM406889139.pdfIn PDF document text
    • http://moringaforlove.com/images/how-to-hack-minecraft_GM479516143.pdfIn PDF document text
    • http://moringaforlove.com/images/get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://moringaforlove.com/images/robux-generator-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://moringaforlove.com/images/how-to-hack-coin-master-cheat-engine_GM406889139.pdfIn PDF document text
    • http://moringaforlove.com/images/coin-master-free-spins-daily-fb-champion_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_off000048f8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48F8 25420 bytes
SHA-256: 2e7b2e86080a44d26773a125637c73372338012ce0c3d99c0a37e99849c62c1d
font_01_sfnt_off000082f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82F3 18288 bytes
SHA-256: 7a7785de19adfa5a65cd79b10bfe31691e1cdc7f9f712964e30bbfe58da4eef2

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