Malicious PDF — malware analysis report

Static analysis result for SHA-256 61c167ce76e0804f…

MALICIOUS

PDF

90.4 KB Created: 2021-03-09 01:58:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: 598fce5b35cde2e71abdb54ab9ddd0d6 SHA-1: ed61c3ab280b9f1a4cd97834294a165002d43a6b SHA-256: 61c167ce76e0804f799eb4d5255334789bcdcb601b1ef2a60a1f4c4191d5d06c
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of an external URI pointing to 'vilenefex.ru' suggests a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to trick users into visiting a compromised site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

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
  • 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://vilenefex.ru/strik?utm_term=our+man+in+havana+movie PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4460228/normal_602a7a553f6db.pdfIn PDF document text
    • http://cardioactiveuficiale.site/kundalini_yoga_kriya_for_beginners50r44.pdfIn PDF document text
    • http://pagavopalubutu.scienceontheweb.net/blouse_cutting_method.pdfIn PDF document text
    • http://lorozetuwivu.medianewsonline.com/85039173895.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447885/normal_6016c9387a224.pdfIn PDF document text
    • http://xidasetetobuge.scienceontheweb.net/confederacy_of_dunces_movie_2015.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454163/normal_603214860c1f8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375352/normal_5fe38ac467bfe.pdfIn PDF document text
    • http://pazujiz.mygamesonline.org/40373949432.pdfIn PDF document text
    • http://stroy-level.ru/toyota_yaris_hybrid_2015_manualo2dhr.pdfIn PDF document text
    • http://kernig.online/what_is_solution_in_chemistry_example7s4x8.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
    • http://buxidolobiw.epizy.com/super_smash_bros_ultimate_characters_guide.pdfIn PDF document text
    • http://fowasurutopalu.rf.gd/tp_link_wr841n_connect_to_router.pdfIn PDF document text
    • https://s3.amazonaws.com/mafavuzenoliki/vapokuzodid.pdfIn PDF document text
    • https://s3.amazonaws.com/nitirew/reganilozonobezudamop.pdfIn PDF document text
    • http://bevevekafoli.epizy.com/75099273876.pdfIn PDF document text
    • http://saninov.epizy.com/abusada_song_mp4.pdfIn PDF document text
    • https://s3.amazonaws.com/bejokazemur/28289221629.pdfIn PDF document text
    • https://s3.amazonaws.com/muvojugejoxip/english_tense_exercises_with_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/wupagivoz/fitted_sheet_over_flat_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/woxorojero/stihl_weed_eater_fs38_fuel_mixture.pdfIn PDF document text
    • http://pazepoxi.atwebpages.com/why_the_rich_are_getting_richer_indonesia.pdfIn PDF document text
    • https://s3.amazonaws.com/tamobalasu/misivigakonobizuju.pdfIn PDF document text
    • https://s3.amazonaws.com/xakapudakadu/game_informer_magazine_font_name.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011863.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11863 4604 bytes
SHA-256: ab2e31e1c3fd5a32dc64abd2b86f3405c9c38ece451743c053508e42430fc466
font_01_sfnt_off000127ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x127CA 11324 bytes
SHA-256: 92f6b0291ef14ffb780ca266149179f8f68b1814631a27901770d864d72ebb24
font_02_sfnt_off00014dc9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14DC9 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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