Malicious PDF — malware analysis report

Static analysis result for SHA-256 13e17c98c1d86c80…

MALICIOUS

PDF

38.2 KB Authoring application: Scribus First seen: 2020-09-07
MD5: c6ad2f22206e02a363d809455bdb58b8 SHA-1: 85fb392ea9e325591cd6cd90bb527c3efb512ccf SHA-256: 13e17c98c1d86c80d73c1dbb6d2c1a333cf0d87419b750e811b6b533d2ea4636
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, masquerading as a calendar. This behavior is indicative of a link farm or phishing lure designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://spotlightchildrenstheater.com/uploads/1/3/0/2/130289589/fefc36d64.pdf In PDF document text
    • http://rijimipite.rem-post.ru/uploads/2020/01/28/180e530428547a7.pdfIn PDF document text
    • http://moretoexplore.co/uploads/1/3/0/2/130289741/juvexoxixisuwataze.pdfIn PDF document text
    • http://teamthumann.com/uploads/1/3/0/4/130488123/rusesavaxenefimam.pdfIn PDF document text
    • http://cedarhawthone.studio/uploads/1/3/0/6/130620509/jivegarixezozup-zofejopenefo-pazuxisivasewi.pdfIn PDF document text
    • http://mybodymysoul.org/uploads/1/3/0/4/130488812/pofumukedorevu.pdfIn PDF document text
    • http://ivflush.com/uploads/1/3/0/4/130488833/2089092.pdfIn PDF document text
    • http://cyclebavaria.com/uploads/1/3/0/3/130323585/130323585.html#2020+calendar+with+indian+holidays+pIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000117a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x117A 7856 bytes
SHA-256: 2f8c5490c00b119073b99fdfb8ba6c04213197a369eb89ca07b046dfc5ac3c2f
font_01_sfnt_off00004ec9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4EC9 16068 bytes
SHA-256: 6db2f878e0fd57d3a351d0d81a5ccd7b58f68df6728dadc3aee3ebeb1a1d6e60

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