Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ba4ba01ed87e89b…

MALICIOUS

PDF

30.8 KB Authoring application: Soda PDF
MD5: 47d82f2eb7f3c69956451110e30e785e SHA-1: 9be70815c44e994a811315184d20a5450af8265a SHA-256: 3ba4ba01ed87e89be55b3f1742c017b88cc2abf8f80bf65a18a292eac01f1948
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified as a PDF_SEO_LINK_FARM heuristic. The document body, despite being heavily obfuscated, contains references to 'Volleyball score sheet pdf download' and includes numerous URLs pointing to external PDF files. This suggests a phishing or malware distribution campaign where the PDF acts as a lure to download further malicious content.

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://memartopla.site/uploads/1/3/0/5/130589270/9084394.pdf
    • http://remoxow.n26-acces-enligne.com/uploads/2020/01/28/e4b4e.pdf
    • http://nimatennis.com.au/uploads/1/3/0/6/130639138/logutujowen.pdf
    • http://sandybailes.com/uploads/1/3/0/4/130476678/d5bb90663a1a.pdf
    • http://mafibi.webreseller.ru/uploads/2020/01/29/jijevuwusi.pdf
    • http://tickled-ink.co.uk/uploads/1/3/0/6/130620873/tusixevi-joxefewotafigi-meliterina-zifotexim.pdf
    • http://andaveycrea.com/uploads/1/3/0/2/130289610/98648b50a06.pdf
    • http://babymyo.com/uploads/1/3/0/7/130739150/1588393.pdf
    • http://mhrandlenovels.com/uploads/1/3/0/5/130589317/130589317.html#volleyball+score+sheet+pdf+download

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001161.bin
58257b0a812aa07c24be91d028317d0078801623c1f1bd238318dee2db8023c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1161 7468 bytes

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