Malicious PDF — malware analysis report

Static analysis result for SHA-256 07be983a63832f4f…

MALICIOUS

PDF

43.6 KB Authoring application: PDF Studio
MD5: ca73b9d73fd4ec9a9c716ebf71910f1e SHA-1: f449f44e27598fb02568a0938a7abcf5b232de77 SHA-256: 07be983a63832f4f5b094413d0c165e914c7a3969c8a07a963f6b8441fac3561
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute malicious payloads. ClamAV identified this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', suggesting a phishing or traffic redirection purpose. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • 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
  • 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://detskepovidky.com/uploads/2020/01/28/kewinubunukuv_revovidadevo_pobebateda.pdf
    • http://takeabowkilmarnock.com/uploads/1/3/0/6/130604644/kejejuwawawid.pdf
    • http://northparkvoicestudio.com/uploads/1/3/0/2/130270936/vogoro.pdf
    • http://lunchboxcafeny.com/uploads/1/3/0/5/130588294/7762694.pdf
    • http://boydsbaseball.com/uploads/1/3/0/6/130603824/jevetiwoxidod.pdf
    • http://zipganizer.net/uploads/1/3/0/5/130588686/3099955.pdf
    • http://trevoroc.com/uploads/1/3/0/4/130483980/metafebarofamuj_dijudozexut_defawogawi_xifeb.pdf
    • http://portgraal.com/uploads/1/3/0/5/130590217/ac13d0.pdf
    • http://ambercove27waterfalls.com/uploads/1/3/0/4/130494636/130494636.html#cetoacidosis+alcoholica+criterios+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001200.bin
b674b5fcd622c74971bd81990eb23ec55d09f2c8f6ca9a5968d50aa791db20db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1200 9224 bytes

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