Malicious PDF — malware analysis report

Static analysis result for SHA-256 daae6da170f7b6b1…

MALICIOUS

PDF

54.6 KB Created: 2021-02-02 09:46:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 775260ac92de071a5ed923a5a269b5c3 SHA-1: babab0770b6ce788e9e00c798ae41152a03a2ab0 SHA-256: daae6da170f7b6b1c61950a9e246c691476e9207b641a6169a6a9915e54df15a
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a large number of embedded URLs, many pointing to disposable domains or link farms, suggesting a phishing or malware distribution attempt. The presence of external URIs and the overall structure indicate an effort to redirect the user to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9804

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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://bologen.ru/aws?utm_term=h+r+d+c+full+form PDF link annotation
    • https://wisemawuperu.weebly.com/uploads/1/3/0/7/130738751/3588648.pdfIn PDF document text
    • https://lumigoxodavi.weebly.com/uploads/1/3/1/6/131606620/vojimuv-ruvuduzo.pdfIn PDF document text
    • https://silepokow.weebly.com/uploads/1/3/4/3/134366863/lafepufamawet-zelomunanusipi-furadapowoz.pdfIn PDF document text
    • http://macsk.space/ventajas_y_desventajas_del_empowermentinddb.pdfIn PDF document text
    • https://rijadotijijani.weebly.com/uploads/1/3/4/4/134470018/462a7c2e2a589d0.pdfIn PDF document text
    • http://igonlinesupport.com/98551069710jgfzo.pdfIn PDF document text
    • http://velesvoyage.ru/89380903857sj6z1.pdfIn PDF document text
    • https://gupijevud.weebly.com/uploads/1/3/1/4/131407369/636258.pdfIn PDF document text
    • https://zodazapel.weebly.com/uploads/1/3/4/5/134511258/e7fbd2daeac.pdfIn PDF document text
    • https://lulipexo.weebly.com/uploads/1/3/5/2/135294167/xebigosatebokimo.pdfIn PDF document text
    • https://wusedutewaxugag.weebly.com/uploads/1/3/1/4/131437839/295f931be7fc9f.pdfIn PDF document text
    • http://jatuxijor.epizy.com/sikapakobidepexorenokip.pdfIn PDF document text
    • http://lemiwiwivafato.rf.gd/asia_map_physical.pdfIn PDF document text
    • https://s3.amazonaws.com/jonora/21018213253.pdfIn PDF document text
    • https://s3.amazonaws.com/sajatesawodiji/85035593462.pdfIn PDF document text
    • http://vakusidoler.epizy.com/albert_bandura_self_efficacy.pdfIn PDF document text
    • http://dujazenemelix.epizy.com/volume_sphere_and_hemisphere_mathworksheets4kids.pdfIn PDF document text

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