Malicious PDF — malware analysis report

Static analysis result for SHA-256 68f91c956eb86e7e…

MALICIOUS

PDF

40.2 KB Authoring application: Mobipocket Creator
MD5: 207523fee7161eb982c8902e940d9f4e SHA-1: 3b62cdca984101bcd3fc323b87c1d9a7a390774c SHA-256: 68f91c956eb86e7eabe7f2d8f539bf98d228f21431f11fc4bcf25d524b562f5d
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO manipulation or to host malicious content. ClamAV detected this file as Pdf.Phishing.TtraffRobotInstall, indicating a phishing or redirection attempt. While no scripts were explicitly extracted, the PDF structure and URL farm suggest a malicious intent to redirect users to potentially harmful sites.

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://cloud9weddingflowers.com/uploads/1/3/0/6/130639672/fowejax-fudab-tavaxaj.pdf
    • http://saeart.com/uploads/1/3/0/2/130288348/e7c0f223066dde.pdf
    • http://nduboisphotography.com/uploads/1/3/0/5/130588168/dasabegede-beriximo-gasol.pdf
    • http://domesticabuseministry.org/uploads/1/3/0/6/130639349/3443429.pdf
    • http://thecakehouseuk.com/uploads/1/3/0/7/130740351/buwijexojopigosa.pdf
    • http://nadashiva.com/uploads/1/3/0/3/130379293/3707919.pdf
    • http://www.atsservices.org/uploads/1/3/0/9/130969695/fasufukej.pdf
    • http://hasbropowerrangers.com/uploads/1/3/0/3/130324203/fcb2dd9.pdf
    • http://iainvestmentllc.com/uploads/1/3/0/6/130604269/bowezidikidik_segidinupedanip_xasetu.pdf
    • http://creditfromhome.com/uploads/1/3/0/3/130379251/tuzuz.pdf
    • http://miraprintservices.com/uploads/1/3/0/4/130435960/fivenupoga.pdf
    • http://www.kodzie.com/uploads/1/3/0/9/130969984/130969984.html#pain+lower+left+abdomen+female+pregnant

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004620.bin
a9c2bf9d2486725d7f5253bbe92fdd82828eb541f24e8a42bf2a69d19969ec35		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4620 8300 bytes

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