Malicious PDF — malware analysis report

Static analysis result for SHA-256 8dbb5729c476b244…

MALICIOUS

PDF

47.6 KB Created: 2021-04-07 04:55:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0009446f6c63183fb27c27793a7fd909 SHA-1: b8275d0d249260f7771ef97a7d5f0680621b18ec SHA-256: 8dbb5729c476b244e8746dd7d191a58dd7b8ee88ed05a4efb829662fcb67eb5a
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs, many of which point to unknown or potentially malicious domains, suggesting an attempt to redirect users to phishing or malware hosting sites. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate it's designed to exploit users through deceptive links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9127

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://www.mainephilanthropy.org/sites/default/files/nikosomonebazi.pdf
    • https://www.natsihwa.org.au/sites/default/files/webform/tuwagamutavuvefofufeniz.pdf
    • https://www.a1touchsolution.nl/sites/default/files/51131620028.pdf
    • https://www.clinicasfantamaria.ro/sites/default/files/webform/33767122539.pdf
    • https://www.osgeurope.com/sites/osg-corporate.dev/files/webform/povufukawonafano.pdf
    • https://www.uts.cw/sites/default/files/webform/dupoxemijuwavamuvugorudiz.pdf
    • https://www.enwidth.com/sites/default/files/webform/resumes/48862039041.pdf
    • https://ambrose.edu/sites/default/files/webform/natogaj.pdf
    • http://russian-ice-spb.ru/sites/default/files/webform/files/97818084314.pdf
    • https://www.afscme65.org/system/files/webform/baxuwobokorexifiri.pdf
    • http://oaklandchildcare.org/sites/default/files/webform/55178968397.pdf
    • http://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=plural+of+nouns+exercises+pdf+isl
    • https://ec.europa.eu/eip/agriculture/sites/default/files/webform/72323592377.pdf
    • https://www.ice.cam.ac.uk/sites/www.ice.cam.ac.uk/files/webform/8342566550.pdf
    • https://campusrec.princeton.edu/system/files/webform/93394875634.pdf
    • https://drones.princeton.edu/system/files/webform/65601020807.pdf

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