Malicious PDF — malware analysis report

Static analysis result for SHA-256 d8cc32dfd716e938…

MALICIOUS

PDF

45.5 KB Created: 2021-05-11 19:37:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 7527188efbab252cfdfa68d18a33afcd SHA-1: 5d01933a03db3373d3fb67fd4a667caaed0ad633 SHA-256: d8cc32dfd716e9380762375370486cd39d26da5c8dfc4520aeecab221ee0c1ac
62 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs and a document body that advertises free items and hacks for popular games, aiming to trick users into clicking malicious links. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple suspicious URLs indicates a phishing or malware distribution attempt. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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/431946152/roblox-adopt-me-free-pets-game-hack PDF link annotation
    • http://eurogrecefrance.org/images/coin-master-hack-uk_GM406889139.pdfIn PDF document text
    • http://eurogrecefrance.org/images/open-coin-master_GM406889139.pdfIn PDF document text
    • http://eurogrecefrance.org/images/how-to-get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://eurogrecefrance.org/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://eurogrecefrance.org/images/free-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://eurogrecefrance.org/images/get-free-coin-master-coins_GM406889139.pdfIn PDF document text
    • http://eurogrecefrance.org/images/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • http://eurogrecefrance.org/images/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://eurogrecefrance.org/images/coin-master-link-today_GM406889139.pdfIn PDF document text
    • http://eurogrecefrance.org/images/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://eurogrecefrance.org/images/coinmaster-spin-ml-link_GM406889139.pdfIn PDF document text
    • http://eurogrecefrance.org/images/daily-free-spin-coin-master-link_GM406889139.pdfIn PDF document text
    • http://eurogrecefrance.org/images/robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://eurogrecefrance.org/images/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • http://eurogrecefrance.org/images/where-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://eurogrecefrance.org/images/how-to-get-100-robux-for-free_GM431946152.pdfIn PDF document text
    • http://eurogrecefrance.org/images/if-you-delete-minecraft-can-you-redownload-it-for-free_GM479516143.pdfIn PDF document text
    • http://eurogrecefrance.org/images/coin-master-link-for-spins_GM406889139.pdfIn PDF document text
    • http://eurogrecefrance.org/images/bad-minecraft-free_GM479516143.pdfIn PDF document text
    • http://eurogrecefrance.org/images/wwwcoin-master-free-spincom_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_off000048de.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48DE 31224 bytes
SHA-256: 35939ddee31c797d96da6fe5248067e1c0a618a2b60bb7a0e2a07e2acd6b801e
font_01_sfnt_off00008e4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E4B 18752 bytes
SHA-256: a111e2dc8205dfc00e4555b4d98f662ede2d97dc3f371afa84f139f680d29251

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