Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1ba68bac88cac77…

MALICIOUS

PDF

75.6 KB Created: 2020-11-25 15:13:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 148a47e81e37379858345e7542ace9d2 SHA-1: 99aac0c875afb04f874663ec186db17c11345d40 SHA-256: b1ba68bac88cac77e592b781f9528099bba6b8bc847acfe0abab1fd06cc0e31b
152 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 routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9730

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://ggtraff.ru/aws?utm_term=white+t-+shirt+mockup+psd+free In PDF document text
    • https://cdn-cms.f-static.net/uploads/4413968/normal_5f9770a78e901.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370540/normal_5f88c2c505e50.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4419623/normal_5faa8b7194552.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405904/normal_5fa72a8e0301e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409413/normal_5fbb24e7476ee.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/188514d2-1df7-45c6-9ae4-aa658f651a0c/2004_polaris_sportsman_700_twin_specs.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzumeb/trapping_rain_water_gfg.pdfIn PDF document text
    • https://s3.amazonaws.com/leguvefu/dukuw.pdfIn PDF document text
    • https://s3.amazonaws.com/paropabaru/plato_allegory_of_the_cave_50_essays.pdfIn PDF document text
    • https://s3.amazonaws.com/zikeko/49721705215.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/51396e74-5d0a-4f18-91f8-ffb35d838c46/punolixadeguberunilaz.pdfIn PDF document text
    • https://s3.amazonaws.com/jinotugiwomo/fedex_intra_canada_air_waybill.pdfIn PDF document text
    • https://s3.amazonaws.com/najipavez/72682990340.pdfIn PDF document text
    • https://s3.amazonaws.com/zuxime/xopurutafedofas.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_off0001089d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1089D 5264 bytes
SHA-256: a840f6a0e8e0ee75b27ac905b272b18a55a2b2f40fb98e2c41e49fcf082d302d

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