Malicious PDF — malware analysis report

Static analysis result for SHA-256 13a7633104e93522…

MALICIOUS

PDF

37.1 KB Created: 2021-05-23 03:46:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 8ae0669a3b8e98e63946c80ca3448a72 SHA-1: b3add3631b13a57f4a581c689615d65a1893f5ce SHA-256: 13a7633104e93522c9cc7015de5fc1e4e3fd1143ef335ec0a631ee057f71a954
82 Risk Score

Malware Insights

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

The PDF document contains a lure for free Minecraft toys and a prominent call-to-action to download a generator, which is a common social engineering tactic. The presence of embedded URLs and the ML classifier's high confidence score indicate malicious intent. The document likely serves as a lure to download a second-stage payload from the provided URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

Heuristics 4

  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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/479516143/minecraft-toys-for-free-game-hack PDF link annotation
    • https://www.flexcable.com/images/get-robux-com_GM431946152.pdfIn PDF document text
    • https://www.flexcable.com/images/roblox-re_GM431946152.pdfIn PDF document text
    • https://www.flexcable.com/images/free-robux-mobile_GM431946152.pdfIn PDF document text
    • https://www.flexcable.com/images/free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.flexcable.com/images/free-robux-giveaway_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
font_00_sfnt_off00003321.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3321 29696 bytes
SHA-256: 3cd5402b4ffa338e5081c384fab09a776ff8cb88d26eeac58d727424d79fd3aa
font_01_sfnt_off00007129.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7129 17888 bytes
SHA-256: 58cd9c25f2055972b1f3d8fd7725b840dc665585bc5f994aadd02011a7a39e9c

Open this report in the interactive analyzer, or submit your own file for analysis.