Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c0e43b5094e61bf…

MALICIOUS

PDF

70.4 KB Created: 2021-02-14 06:06:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 66872bfda09a202d1434754abb8c415d SHA-1: 31f356fc8e0a11b573eab4c94d473864002b7041 SHA-256: 1c0e43b5094e61bf1c66b13492a2a3ad38326ae0dbdeb12e0dfcd1318a6fa991
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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 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
  • 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://seumenha.ru/aws?utm_term=canon+t70+manual+mode PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4443802/normal_600c35f87105d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369322/normal_5fe5a52dd5b40.pdfIn PDF document text
    • https://nopuxexej.weebly.com/uploads/1/3/4/4/134498230/rugajakixezez-jemof-garipav.pdfIn PDF document text
    • http://josamaduxano.22web.org/cartina_bretagna.pdfIn PDF document text
    • http://gakmancreatures.ru/kesitefifejopugikoleremuze0z16.pdfIn PDF document text
    • http://meriline.store/medicaid_texas_income_guidelines0ji2r.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381544/normal_601d0b8b0b53c.pdfIn PDF document text
    • http://phtech.site/xepapaxepuzuligfcdco.pdfIn PDF document text
    • https://kigazodiraju.weebly.com/uploads/1/3/4/6/134678535/994413.pdfIn PDF document text
    • https://sobomimaseneke.weebly.com/uploads/1/3/1/3/131379860/rasupe.pdfIn PDF document text
    • https://vekatofe.weebly.com/uploads/1/3/0/7/130775682/munozama.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/pirofopafu/android_textinputlayout_error_not_showing.pdfIn PDF document text
    • https://s3.amazonaws.com/fizaxo/depegogizatezed.pdfIn PDF document text
    • http://teguxivufir.rf.gd/picsart_background_picture_hd.pdfIn PDF document text
    • https://s3.amazonaws.com/fuwawibu/reziriz.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d7c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD7C3 4824 bytes
SHA-256: 978a61b4729faeb0baca12d3d4e9a6b81939c41fef4024c600b8ea384f94d6d0
font_01_sfnt_off0000e81a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE81A 10780 bytes
SHA-256: 6e834dc54219d31f00c7f7b467dba72fa60333b5062698221cfdc2cfecfdcf65