Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f0abba46d70496f…

MALICIOUS

PDF

51.9 KB Authoring application: Scribus
MD5: 125955c6ca39467e89e73d2bbb012e1a SHA-1: dbd7f735cdaf98b70c35e53aa5fe7ad886279c3b SHA-256: 3f0abba46d70496fa1817748fc435897eaa27e25d5459e1c775f4194ae6af1cf
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, forming a link farm. This is indicative of a phishing or redirection campaign, aiming to direct users to malicious websites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification. The document body contains garbled text and URLs, reinforcing the malicious intent.

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://swankyfork.com/uploads/1/3/0/3/130324386/gowedixosesugalejis.pdf
    • http://stevejager.com/uploads/1/3/0/5/130541209/9d52a34c.pdf
    • http://slimeshoppe.com/uploads/1/3/0/4/130436244/432d9c.pdf
    • http://trfmontpelier.com/uploads/1/3/0/2/130287495/4510917.pdf
    • http://novific.com/uploads/1/3/0/5/130542781/a58bfde0a7.pdf
    • http://tebagela.kalmanmari.info/uploads/2020/01/29/bevuk.pdf
    • http://stavrias.com/uploads/1/3/0/5/130548108/3783556.pdf
    • http://fotografs.ru/uploads/2020/01/29/nabuzoxalepamazoxu.pdf
    • http://cryptopress.pro/uploads/2020/01/28/3556404.pdf
    • http://newyoujewelryshop.com/uploads/1/3/0/3/130379362/zanovudopoxemezoz.pdf
    • http://cadecim.com/uploads/1/3/0/6/130640139/jeberekijazow.pdf
    • http://asociacionperiodistaspr.org/uploads/1/3/0/7/130738541/130738541.html#cuales+son+los+pronombres+relativos

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000014b3.bin
8cd871ead4fe1eaba6e444e07968b3f3fb52c9bdebca620060613aed8f69f3f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14B3 10552 bytes
font_01_sfnt_off00007601.bin
e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7601 2652 bytes
font_02_sfnt_off00007f5f.bin
3390506bcda077bf81691dc198364f1a9e7dce708f0250f71c68e6f55450d65f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F5F 17652 bytes

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