Malicious PDF — malware analysis report

Static analysis result for SHA-256 8116922ae142c7df…

MALICIOUS

PDF

46.5 KB Created: 2021-06-07 16:54:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 4689878e28398567f7c923dd2d004694 SHA-1: f2a6d07d80df71baac6f94b296b68899b6055d06 SHA-256: 8116922ae142c7df02b1a0c4982fa2e430f6e2056f0fc2cc7e442a16c158e025
62 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs and a visual call-to-action, strongly suggesting a phishing or scam attempt. The ML classifier also flagged this PDF as malicious. The document body and extracted URLs indicate a lure related to game hacks and cheats, likely to trick users into downloading malware or visiting malicious sites. The presence of a callback lure suggests a potential for further social engineering.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

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.tw/app/431946152/how-to-hack-las-vegas-roblox-game-hack PDF link annotation
    • http://ipdrs.org/images/minecraft-pocket-edition-free-download_GM479516143.pdfIn PDF document text
    • http://ipdrs.org/images/tiktok-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://ipdrs.org/images/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://ipdrs.org/images/how-to-get-free-robux-instantly_GM431946152.pdfIn PDF document text
    • http://ipdrs.org/images/robux-free-2021_GM431946152.pdfIn PDF document text
    • http://ipdrs.org/images/roblox-studio-free-download_GM431946152.pdfIn PDF document text
    • http://ipdrs.org/images/coin-master-hack-tool-without-human-verification_GM406889139.pdfIn PDF document text
    • http://ipdrs.org/images/coin-master-daily-free-spins-blog_GM406889139.pdfIn PDF document text
    • http://ipdrs.org/images/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://ipdrs.org/images/coin-master-hack-app-android_GM406889139.pdfIn PDF document text
    • http://ipdrs.org/images/free-minecraft-accounts-reddit_GM479516143.pdfIn PDF document text
    • http://ipdrs.org/images/minecraft-free-download-apk-softonic_GM479516143.pdfIn PDF document text
    • http://ipdrs.org/images/coin-master-hack-download-android_GM406889139.pdfIn PDF document text
    • http://ipdrs.org/images/roblox-hack-tool_GM431946152.pdfIn PDF document text
    • http://ipdrs.org/images/coin-master-hacks_GM406889139.pdfIn PDF document text
    • http://ipdrs.org/images/coin-master-free-coins-and-spins-daily_GM406889139.pdfIn PDF document text
    • http://ipdrs.org/images/roblox-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://ipdrs.org/images/how-to-get-free-robux-website_GM431946152.pdfIn PDF document text
    • http://ipdrs.org/images/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • http://ipdrs.org/images/free-robux-games_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_004_off000051d7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x51D7 27072 bytes
SHA-256: e6f06570777a0f887c4bc0fa77901def9431b02e910b8e6d3e20666e65ef3e2f
font_01_sfnt_off00009185.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9185 18768 bytes
SHA-256: 96f23e681e1bff245bdbc90932e7ad173ad8063b2344db392a27c92257b5fb71

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