Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b0ac135e4ccbcb7…

MALICIOUS

PDF

71.6 KB Created: 2021-02-26 08:03:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 081ff73eb5bbea4ea1e9edb7fca59684 SHA-1: 2cabba4f6aa831ba737e2cecab918ca1dbc3f878 SHA-256: 6b0ac135e4ccbcb79129c8772b98fb411b11d90858b4200a287560e68b16d106
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://druttle.ru/award?keyword=computer+screen+repairs+cost PDF link annotation
    • https://cdn.sqhk.co/toxinize/0jiSRja/97450908741.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393644/normal_6012356a67b78.pdfIn PDF document text
    • http://jalefuza.22web.org/36009270413.pdfIn PDF document text
    • http://novuzigekisev.iblogger.org/rovokatimerofidazimami.pdfIn PDF document text
    • https://sezokifor.weebly.com/uploads/1/3/4/5/134596047/wusobetu.pdfIn PDF document text
    • https://cdn.sqhk.co/vojazodelud/ibObhcC/visavigofowiketima.pdfIn PDF document text
    • https://jagusidenoz.weebly.com/uploads/1/3/4/9/134902343/b7a9cad69943.pdfIn PDF document text
    • https://cdn.sqhk.co/zikonidenijo/2ge3jb2/nfl_news_and_rumors_espn_patriots.pdfIn PDF document text
    • https://cdn.sqhk.co/kavejufa/ihKje1N/real_talking_cat_app_download.pdfIn PDF document text
    • http://biwuwevurax.22web.org/dedumeso.pdfIn PDF document text
    • https://kakerenu.weebly.com/uploads/1/3/1/0/131071145/zagetoji.pdfIn PDF document text
    • https://rezalebivug.weebly.com/uploads/1/3/0/9/130969918/2c188.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4488560/normal_5fe027ea5acfe.pdfIn PDF document text
    • http://fudasoba.iblogger.org/desmos_graphing_calculator_for_windows_10.pdfIn PDF document text
    • http://degitowexara.iblogger.org/eclipse_parents_guide.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wosamufudov.epizy.com/81043359748.pdfIn PDF document text
    • http://votitagupen.epizy.com/44499617644.pdfIn PDF document text
    • http://pepezuvizomu.rf.gd/xotipejewipev.pdfIn PDF document text
    • http://xotevosezidiso.rf.gd/install_maven_in_eclipse_for_selenium.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_off0000dc4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC4A 4952 bytes
SHA-256: 828aceb075dc6cfc4744cfb0bff69aac5aa4c6b62503ae9f9ff84b2fcf0e72fd
font_01_sfnt_off0000ed04.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED04 10724 bytes
SHA-256: 1f538418e698150ed3274dccbbf3f1446bdbb175794841231f94fdaac1977b01