Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0623b7eb524d4fa…

MALICIOUS

PDF

39.9 KB Authoring application: Soda PDF First seen: 2020-09-24
MD5: fdef6dee36acba7be8b6314d9b41cd85 SHA-1: 781cd21ebb2f4dcfb50597965de355ed15de3cda SHA-256: e0623b7eb524d4fac49c91c37ada12f395ffa042eea711d3fdd5b4b4baf6c28f
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as phishing. The document body, though partially corrupted, contains text related to 'Hqm quarry rust' and includes numerous URLs, reinforcing the idea that the document is designed to drive traffic to potentially malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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 https://nuzexuwod.weebly.com/uploads/1/3/0/5/130539657/nusipakopemogodadupo.pdf In PDF document text
    • http://sosi.multimodal.pro/uploads/2020/01/28/9fc10.pdfIn PDF document text
    • https://fekujugodobeful.weebly.com/uploads/1/3/0/6/130604919/92ddbc36867f.pdfIn PDF document text
    • http://topsltd.bm/uploads/1/3/0/3/130379696/gevoledekiratawanem.pdfIn PDF document text
    • http://dapisevut.cgt-capgemini-ts.net/uploads/2020/01/27/9f9bb5bed9cb1.pdfIn PDF document text
    • http://hypocotyle.ru/uploads/2020/01/29/juzaridetaxetagax.pdfIn PDF document text
    • http://gekoxiba.multilinglab.ru/uploads/2020/01/29/4383432.pdfIn PDF document text
    • https://xupixatotox.weebly.com/uploads/1/3/0/2/130272452/wosivorunu-gaxuv-xamoma.pdfIn PDF document text
    • http://mikesrefinishing.com/uploads/1/3/0/6/130604984/nelusebefuxovi-mevudopopefoke.pdfIn PDF document text
    • http://thecvap.org/uploads/1/3/0/6/130605381/130605381.html#hqm+quarry+rustIn 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_off0000124c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x124C 8712 bytes
SHA-256: d0ae16297b72d0ccd103ab706bcc114b70674da654b21634c4a3408223b77c90
font_01_sfnt_off00005592.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5592 16068 bytes
SHA-256: 6db2f878e0fd57d3a351d0d81a5ccd7b58f68df6728dadc3aee3ebeb1a1d6e60

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