Malicious PDF — malware analysis report

Static analysis result for SHA-256 206898804fc3ff89…

MALICIOUS

PDF

68.4 KB Created: 2020-12-23 18:48:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: ae0105664ce71dbc4c81d7bbf128ffe5 SHA-1: 1836c082a8c4c05d9aa00d675e1e8a8487475daa SHA-256: 206898804fc3ff89b019cef31f645c92661966a5740407743caa3539534743f1
156 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 0.9998

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/strik?utm_term=learn+easy+carpentry.+org PDF link annotation
    • https://mabamigetope.weebly.com/uploads/1/3/4/4/134493328/beloturem.pdfIn PDF document text
    • https://lefelovavuj.weebly.com/uploads/1/3/4/6/134644752/siwekikafopuxipepix.pdfIn PDF document text
    • https://jazakeramexevam.weebly.com/uploads/1/3/4/6/134615015/duzirumo.pdfIn PDF document text
    • https://zunenevalomedo.weebly.com/uploads/1/3/4/8/134855990/sekajuxiselilo_taterixupudivip_xabotajowan.pdfIn PDF document text
    • https://botubadixebom.weebly.com/uploads/1/3/1/4/131407995/1446252.pdfIn PDF document text
    • https://cdn.sqhk.co/lutaxudepoje/i4lhbhg/download_mod_zombie_survival_gta_san_andreas_mobile.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/5f7d343f-9e16-439a-8078-3a3f5ef0121c/mumovoduwides.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/434d473a-b58b-4cf8-a3d4-cd62d006265f/41018030131.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cfb24363-092e-4eea-b8ab-8147e4604765/pdf_bates_numbering.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fb8e3546-ad1a-4f21-9dcd-12de8d1cc2c8/39123038437.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ab4cd1e7-4ec2-434f-8191-4677949051cc/93117215676.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3f5d723f-7fef-478d-afe6-09dde90bcd2b/56226514020.pdfIn 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

Related samples 7

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_off0000ce87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE87 5144 bytes
SHA-256: d74eaca7b72d45b83035ce11a1744dfd7c56d6c5f8fa32685476c670e97ed3b6
font_01_sfnt_off0000e034.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE034 10660 bytes
SHA-256: e60b7509d0063e1f6ab7588bf277279032df9fb4a2c4abe212f8ed8307eb7ffa

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