Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0aa10ba1f03efab…

MALICIOUS

PDF

73.6 KB Created: 2021-03-14 14:26:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17
MD5: 1fa0e7e7568d992573fdd97b2125a4f0 SHA-1: 3e0c10017b16a42aed24c41d40e60d70758559c0 SHA-256: e0aa10ba1f03efab13989c2180c8791427b7e2409b353dbb80a547aecef0ffbe
126 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, with a primary suspicious URL pointing to 'botokaw.ru'. The PDF's structure and content suggest it's designed as a link farm to redirect users to potentially malicious sites, masquerading as search results or informational content.

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://botokaw.ru/strik?utm_term=what+is+the+meaning+of+7+song PDF link annotation
    • http://thiswaytovogue.com/how_to_formulate_an_average_in_excel4gu1u.pdfIn PDF document text
    • http://euromarket.pro/cakewalk_sonar_full_versionqnvqm.pdfIn PDF document text
    • https://cdn.sqhk.co/zinoliwomi/jbgdihq/game_maker_studio_1._4_download.pdfIn PDF document text
    • http://construt.site/67188895760w3m19.pdfIn PDF document text
    • http://dfahsdfgjsfg.online/best_5e_character_sheet_appbbug6.pdfIn PDF document text
    • http://complerbnp.com/electrical_compliance_certificate_templateyfs80.pdfIn PDF document text
    • http://kompledom.com/imperial_leather_mcclintock_summaryvtyqt.pdfIn PDF document text
    • http://drovazvenigorod.ru/comprehension_of_some_formal_agreement_crossword_clue60vxe.pdfIn PDF document text
    • http://draiwenstore.online/45523538270dnima.pdfIn PDF document text
    • https://cdn.sqhk.co/gidenateg/nbxWid9/rwby_ruby_x_male_wolf_reader.pdfIn PDF document text
    • http://center-about.com/maximum_ride_books_by_james_pattersonfbfgs.pdfIn PDF document text
    • http://ryduslim.website/curriculo_basado_en_la_experienciaiis4e.pdfIn PDF document text
    • https://cdn.sqhk.co/fufejapopunu/EMjhhgj/clia_competency_assessment_form_template.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/zozuxukoxo/nutritional_information_rice_wine_vinegar.pdfIn PDF document text
    • https://s3.amazonaws.com/senodiw/1999_7.3_powerstroke_trans_fluid_type.pdfIn PDF document text
    • https://507d1b22-ea03-4061-a262-f79425337ca2.filesusr.com/ugd/a374b9_35154964b961432b824315e9d1e12781.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/nilafafakem/used_troy_bilt_lawn_mower_for_sale.pdfIn PDF document text
    • https://4ad55601-b8ab-4ae0-bc0e-e90069072326.filesusr.com/ugd/3aca14_ce6771e4f9d14fb8a4276006d2f96088.pdf?index=trueIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d577.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD577 4932 bytes
SHA-256: 1c3da12a8853a52b274e5dd840205045a3f87f6cd02dfb0365d3a2d57b2d96cc
font_01_sfnt_off0000e62f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE62F 10780 bytes
SHA-256: 6b7529fea9993be871d6e55d70fe8c3ebcb0ad8dc09b58e0297d76a0a993dc2c
font_02_sfnt_off00010ae9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10AE9 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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