Malicious PDF — malware analysis report

Static analysis result for SHA-256 22204e53593bedde…

MALICIOUS

PDF

69.6 KB Created: 2021-02-02 12:55:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 1a3404076b10fabcf064ea2c90865876 SHA-1: 098193a0a3e3b5a65cef8800ef8921ba68714282 SHA-256: 22204e53593bedde2c227a0c594d5c720d929723d80ea4772fc75e6afd1e3caa
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9639

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://jottigo.ru/aws?utm_term=ccna+2+chapter+9+exam+answers+2018 PDF link annotation
    • https://lotekine.weebly.com/uploads/1/3/1/3/131381428/e31d9c822.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4466675/normal_5ff03a9e8a509.pdfIn PDF document text
    • https://butevexonukuzi.weebly.com/uploads/1/3/2/6/132681970/32264.pdfIn PDF document text
    • https://tabekemaw.weebly.com/uploads/1/3/0/8/130874329/1ff08ac954e33.pdfIn PDF document text
    • https://dikekivex.weebly.com/uploads/1/3/0/7/130775400/punudenutikefum.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4500453/normal_5fc7d4f6f3026.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416929/normal_5fc648f41cb27.pdfIn PDF document text
    • https://cdn.sqhk.co/lejesapazud/QiieNEM/servpro_cleaning_services.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/zagapaxa/bodyguard_video_songs.pdfIn PDF document text
    • https://s3.amazonaws.com/lotibabakuj/51523919046.pdfIn PDF document text
    • https://s3.amazonaws.com/dabatisew/52049908894.pdfIn PDF document text
    • http://numivonef.rf.gd/dagivelu.pdfIn PDF document text
    • http://xilavivugup.epizy.com/all_tamil_comedy_video.pdfIn PDF document text
    • https://s3.amazonaws.com/fejatepudopito/journal_citation_reports_2015_impact_factor.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fb5f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB5F 5880 bytes
SHA-256: 9934ce2e339fb92854f0d0b81d3a7c5279d6065953174756cff484c85fa504a4

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