Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b9f22567cba2a59…

MALICIOUS

PDF

34.7 KB Authoring application: Karbon First seen: 2020-09-24
MD5: be0ca93e446445367ad65f7dedcdecce SHA-1: a35c8fe6b778402b61746f899cbcee16ead5e02d SHA-256: 0b9f22567cba2a59d6704f10c9969f5e667425f8a54dec129006e7df793b299a
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a significant number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. This technique is often used to distribute malicious content or redirect users to phishing sites. The ML classifier and ClamAV detection further support the malicious nature of this file, indicating it is likely a phishing or malware distribution document.

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 http://inspiringhealthybodies.com/uploads/1/3/0/3/130313021/tubatamonizetobetowi.pdf In PDF document text
    • http://comicbookregistry.com/uploads/1/3/0/2/130289421/7364224.pdfIn PDF document text
    • http://theperfectpresentation.com/uploads/1/3/0/7/130775958/3433699.pdfIn PDF document text
    • http://barnwoodbilliards.com/uploads/1/3/0/3/130379674/9303266.pdfIn PDF document text
    • http://michealsdeckrepair.com/uploads/1/3/0/5/130539714/nazekin-zetipuzi-tiwebuxixe.pdfIn PDF document text
    • http://yourmateapparel.com/uploads/1/3/0/6/130639183/rerovezetomeg_karogofetajaju_ratuwadopufawad.pdfIn PDF document text
    • http://paschal77.com/uploads/1/3/0/7/130739991/pekoxipowabum.pdfIn PDF document text
    • http://www.lot4lloyds.com.au/uploads/1/3/0/6/130604594/masadusejoda-xaratumod-famitudowepevep-xexujetidebitil.pdfIn PDF document text
    • http://moontowerdyeworks.com/uploads/1/3/0/6/130622104/67bbaba0265e150.pdfIn PDF document text
    • http://thelazyrussian.com/uploads/1/3/0/2/130271001/medexadosebeg-fezonavimo-zagolavevoganes-bisovidolasib.pdfIn PDF document text
    • http://patriciajaggie.com/uploads/1/3/0/2/130272488/weloxifomepom.pdfIn PDF document text
    • http://portalfarmaceutico.net/uploads/1/3/0/4/130490277/12262.pdfIn PDF document text
    • http://admiralsigns.us/uploads/1/3/0/8/130814995/jifefuxawujifikakidi.pdfIn PDF document text
    • http://mta-sts.mail.dickersongreenseminary.org/uploads/1/3/0/6/130640229/130640229.html#estilos+y+estrategias+de+afrontamiento+al+estr%C3%A9sIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002da7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DA7 8556 bytes
SHA-256: 66ab8bac3c964146c7cbbcba66ed4546fa020c241a791359fdfc7383b7777547

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