Malicious PDF — malware analysis report

Static analysis result for SHA-256 f73610bc1bc7ca10…

MALICIOUS

PDF

39.6 KB Authoring application: Inkscape First seen: 2020-09-04
MD5: 349335e447a1d566dbf7a92d71f29428 SHA-1: eefcea079fc2224076e6d269f99d0c378f04fb4f SHA-256: f73610bc1bc7ca100f32b20cc68afc8bf08109f9e09dc5471d151d4cfc69db3e
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious intent. The primary heuristic identified a large number of external PDF links, suggesting a link farm or distribution mechanism. The document body contains text related to 'Neutron scattering cross section nist' and includes numerous URLs pointing to PDF files on various domains, reinforcing the link farm observation.

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://atmemorylane.net/uploads/1/3/0/2/130289400/levazipiluk-kasuragobigove-fajubiwuloto-talirodo.pdf In PDF document text
    • http://newmiltoneagles.org.uk/uploads/1/3/0/5/130544878/8966949.pdfIn PDF document text
    • http://zilusuxeg.nauticflclub.org/uploads/2020/01/28/6282227.pdfIn PDF document text
    • http://csraisc2.com/uploads/1/3/0/2/130270904/roxijuj.pdfIn PDF document text
    • http://creativeagencylosangeles.com/uploads/1/3/0/7/130739183/cafff2ffd539a.pdfIn PDF document text
    • http://hollyziemer.com/uploads/1/3/0/4/130476313/5159765.pdfIn PDF document text
    • http://elvination.com/uploads/1/3/0/5/130588319/4003746.pdfIn PDF document text
    • http://comfish.com.au/uploads/1/3/0/4/130483808/puxer-waboleb.pdfIn PDF document text
    • http://metzteaching.net/uploads/1/3/0/4/130476074/130476074.html#neutron+scattering+cross+section+nistIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text

Related samples 1

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_off0000119b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x119B 8020 bytes
SHA-256: 1d3f454be5479ceeb394c1b570f477b5ba2dabad4c88e95d945ca7887d2033aa
font_01_sfnt_off00005e7d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E7D 2988 bytes
SHA-256: 0cb224e0972ddf0e19e58e068ac9489570e11434c0106897f09526456610955e

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