Malicious PDF — malware analysis report

Static analysis result for SHA-256 fda078c69007366a…

MALICIOUS

PDF

36.0 KB Created: 2021-06-28 09:33:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 674fbcd4744805eb9f67ab9b83b3c7d4 SHA-1: 63abc4a0959ed36b5e725f9092b145313e742fac SHA-256: fda078c69007366a6bcaddd9a205e03c45ef30d28bd79776579d7ab879806613
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, http://netcdn.co/app/431946152/solos-v-1.2-roblox-hack-game-hack, which is likely used to distribute malware or lead to phishing pages. The document body and embedded URLs suggest a lure related to game hacks and in-game currency. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/solos-v-1.2-roblox-hack-game-hack In PDF document text
    • https://3qblocks.com.tw/image/data/files/pubg-uc-and-rp-generator_GM1330123889.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/how-to-hack-roblox-players-2021_GM431946152.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/free-roblox-accounts-webbly_GM431946152.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/fb-coin-master_GM406889139.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/free-cool-girl-clothes-on-roblox_GM431946152.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/roblox-t-shirt-free_GM431946152.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/free-premium-roblox_GM431946152.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/coin-master-free-spin-2912-2021_GM406889139.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/meney-hack-jailbreak-roblox_GM431946152.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/free-robux-kid-friendly_GM431946152.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/buy-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/minecraft-bedrock-edition-pc-free_GM479516143.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/roblox-synapse-strucid-2021-august-hack_GM431946152.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/gamehunters-coin-master_GM406889139.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/how-do-you-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
    • https://3qblocks.com.tw/image/data/files/how-do-you-earn-free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30D2 24876 bytes
SHA-256: 44031084b8dd9eae1f3b9f7912ed110c1b11e07b6dba703b3480c663aae96495
font_01_sfnt_off000067af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67AF 19088 bytes
SHA-256: d7c906d1b3fabfba5729c4a17b50abe7edd7c56e97023f6d0577f3e0956ee20c

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