Malicious PDF — malware analysis report

Static analysis result for SHA-256 57c294e9b96057cc…

MALICIOUS

PDF

48.6 KB Authoring application: ImageMagick
MD5: 17da93c069db0fe6585db20b121a133b SHA-1: c776f944a7db43bc628c83e174ade210f866f97f SHA-256: 57c294e9b96057cc237417afd6dadd4c63ee77adc2f053f5dae623830fa0ff27
128 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to other PDF files, a technique often used for SEO poisoning or to distribute malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or traffic redirection purpose. The presence of a visual download button further supports a lure-based attack.

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://bonothechristian.com/uploads/1/3/0/3/130312991/803025.pdf
    • http://uophilosophy.com/uploads/1/3/0/4/130477234/2366980.pdf
    • http://collinturner.com/uploads/1/3/0/2/130271058/1238423.pdf
    • http://perfilelearning.net/uploads/1/3/0/4/130489020/1290364.pdf
    • http://parasport-news.com/uploads/1/3/0/7/130776307/nimogimusipo.pdf
    • http://bcsgrubbox.com/uploads/1/3/0/4/130436154/f79b32.pdf
    • http://beachypress.com/uploads/1/3/0/3/130379482/fajilurugij.pdf
    • http://salvosurfboards.com/uploads/1/3/0/5/130543366/6834307.pdf
    • http://developertony.com/uploads/1/3/0/7/130775845/b09cfdef202.pdf
    • http://bestkettlecornever.com/uploads/1/3/0/6/130639091/7027284.pdf
    • http://lamee-dark-version3-de.devsite-1.com/uploads/1/3/0/5/130551248/130551248.html#99+names+of+allah+mp3+with+meanings+in+urdu

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_001_off00003df4.bin
6f6f6e076dfb6ec59f37de7e24d22524ea4beb902dafd7fb5b71c595c2a00dc3		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3DF4 23648 bytes
font_01_sfnt_off0000691e.bin
2ebaac23b44c3ecef460a73c15e7c47a5974f1b40a807b00eeb38272883f0267		 pdf-font-stream PDF embedded font (sfnt) at offset 0x691E 8116 bytes

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