Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ddc08e96503a3b9…

MALICIOUS

PDF

75.0 KB Created: 2021-02-14 14:30:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-13
MD5: 743650b56588aa06f8ed02b5fa024846 SHA-1: 09ac741310ece19b5b9eb37af391398e1195e5db SHA-256: 6ddc08e96503a3b95fa04cf445945f3081aa5286914f6ed6409f6a8edb1f076f
126 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to disposable domains, suggesting a link farm or redirection mechanism for phishing or malware delivery. The presence of external URIs and the 'link farm' heuristic strongly suggest this document is designed to redirect users to malicious sites.

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://maypoin.ru/wix?keyword=sanyo+split+air+conditioner+manual PDF link annotation
    • http://dazixetenulega.22web.org/carmageddon_tdr_2000_pc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4468823/normal_5fce94707c5f2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472200/normal_600ec5f8171ab.pdfIn PDF document text
    • http://xplaintome.ru/41945905093ws8lo.pdfIn PDF document text
    • http://dragonflysagewellness.com/rutefajadazabejudupazu7r3bq.pdfIn PDF document text
    • http://shoop-fr.ru/descargar_space_shooter_galaxy_attack_hackeado33yga.pdfIn PDF document text
    • http://rezotu.xyz/14484996361ott9a.pdfIn PDF document text
    • http://mazanatur.space/zitalevojedazuu6ifi.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393511/normal_5fec0b69afaa1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369158/normal_600c8a80a059e.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jawikaginixuxuz.rf.gd/pufuzezobiralof.pdfIn PDF document text
    • http://guruwemuzotal.epizy.com/identifying_clauses_in_complex_sentences_worksheet_answers.pdfIn PDF document text
    • http://lopaxoreje.rf.gd/google_chrome_browser_for_windows_vista.pdfIn PDF document text
    • http://pelubameta.epizy.com/pedinadew.pdfIn PDF document text
    • http://xeregolipota.epizy.com/process_flow_chart_template_excel_2010.pdfIn PDF document text
    • http://nogomazarem.epizy.com/sopag.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_off0000e868.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE868 5424 bytes
SHA-256: 66cf58ff3ea7834ba6330c5482681f974b67d22a895a0762bc8c3f48b318a274
font_01_sfnt_off0000fac9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAC9 10704 bytes
SHA-256: 61624e5c7e2ec8fb08bf725dcd1783d9ccb1da0d5e20e6e4a5e20e8daed97be0

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