Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd9f57a84335f503…

MALICIOUS

PDF

39.0 KB Authoring application: ImageMagick
MD5: 9f7aa7acdd7e63876d1627634c321aac SHA-1: 61c531df8a85e36e154c51e6b6ee6eb90f857b65 SHA-256: bd9f57a84335f503448d43e988999490508fb1e57f416e6559378740e5eb9f6e
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious intent. The PDF contains a large number of embedded URLs, many of which point to other PDF files, suggesting a link farm or redirection mechanism. The document body, though partially obfuscated, mentions 'catheter sizing guide' and includes URLs, reinforcing the phishing or malware distribution lure. The primary attack pattern involves leveraging these embedded links to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://camptexas.com/uploads/1/3/0/6/130622013/7208935.pdf
    • http://fivestartinting.net/uploads/1/3/0/2/130270987/6415883.pdf
    • http://sr-studenica.org/uploads/1/3/0/6/130621786/9062a5394a8.pdf
    • http://vavijebit.walkwork.info/uploads/2020/01/29/7717139.pdf
    • http://morstargar.com/uploads/1/3/0/6/130604419/kekev.pdf
    • http://zowajof.smt-hb.ru/uploads/2020/01/29/2385567.pdf
    • http://canvasland.ru/uploads/2020/01/28/3ef07c2af2.pdf
    • http://xira.kelta.ru/uploads/2020/01/28/3586619.pdf
    • http://oaklandslodgebandb.co.uk/uploads/1/3/0/4/130488974/maxasepelusaxuzakow.pdf
    • http://pune.paperpsych.com/uploads/2020/01/29/e1571ce9737a7c.pdf
    • http://spoilt-ebonyprincess.com/uploads/1/3/0/2/130271001/jobevebogigitaf-bivenixevo.pdf
    • http://wojebasin.meso-wharton199.ru/uploads/2020/01/28/jolinab_sikomobivimu.pdf
    • http://sassyfrassy.com/uploads/1/3/0/5/130588201/2b21c.pdf
    • http://twoklassens.com/uploads/1/3/0/3/130379843/c34e997037124.pdf
    • http://northernrailleaders.com/uploads/1/3/0/6/130621841/130621841.html#bard+condom+catheter+sizing+guide

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001343.bin
57e682bbb60d442b591a6e2ae53a93a393347445609d22a2e21964e9491d183d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1343 7964 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.