Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6ee8b2729efe4e9…

MALICIOUS

PDF

73.1 KB Created: 2021-01-12 16:12:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: e30f41c6948facaf14806bf92ef7ce57 SHA-1: 49e1897c93644df5e96597bf679e9438fd1e3f1b SHA-256: d6ee8b2729efe4e97e71c407e5c91f3c60c5778ff5bd855ec31b3158403909d2
156 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains numerous external links, a technique often used for SEO manipulation or to distribute malicious payloads, as indicated by the 'PDF_SEO_LINK_FARM' heuristic. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. No scripts were extracted, but the presence of embedded URLs points to an attempt to redirect the user to potentially harmful external sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 5

  • 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
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://traffking.ru/aws?utm_term=countif+function+in+excel+pdf PDF link annotation
    • https://site-1172155.mozfiles.com/files/1172155/xedonobogoxitesip.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369775/normal_5f87d8a1155e0.pdfIn PDF document text
    • https://ronalowo.weebly.com/uploads/1/3/4/8/134872729/felulavadon-nalixetuzewavuk-vekumulujij-nevep.pdfIn PDF document text
    • https://cdn.sqhk.co/nutanujel/jjhdr1G/76609188455.pdfIn PDF document text
    • https://balogidito.weebly.com/uploads/1/3/4/7/134726556/risoni.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369632/normal_5f89190fb2e61.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367674/normal_5fa57723ab8d2.pdfIn PDF document text
    • https://site-1176512.mozfiles.com/files/1176512/orange_tree_resort_in_scottsdale_az.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4423728/normal_5fcb397cb532f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484605/normal_5fa9018aa52be.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d4f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD4F4 4636 bytes
SHA-256: 184e495d1e132f447c3258f76ef35afce5975c3319e051e25383e90b683f47b1
font_01_sfnt_off0000e4d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4D6 10772 bytes
SHA-256: 935c001e5ce4699547fe19bd98e0522dec3283ecc3dd271a033835a001636f19
font_02_sfnt_off000109d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109D8 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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