Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e86a53b93135dc5…

MALICIOUS

PDF

91.4 KB Created: 2021-04-02 13:12:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 691d30d40344ba8dbed50157f295ac99 SHA-1: ec3910336dfa140dcd405f2072c979039c67bf5e SHA-256: 0e86a53b93135dc5eba4565058e39e506521dde67b66fd4d9ba5b52de0ac8f56
94 Risk Score

Malware Insights

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

The PDF file contains an embedded URI pointing to a suspicious domain, 'resalured.ru', which is likely part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to redirect the user to a malicious site, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9491

Heuristics 3

  • 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
  • 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://resalured.ru/award?keyword=biomasse+d%25C3%25A9finition+pdf
    • https://cdn-cms.f-static.net/uploads/4494432/normal_601b1bf7ac9fa.pdf
    • http://craftsmansmetics.com/data_structures_and_algorithms_free_downloadt5gz0.pdf
    • http://dibezoko.22web.org/gajijijotexekumiwekinago.pdf
    • http://perevozka.ru/what_are_the_basic_steps_in_the_marketing_planning_processzxyf9.pdf
    • http://prizinsta24.online/naming_ionic_compounds_worksheet_answers_pogil86wzu.pdf
    • https://cdn-cms.f-static.net/uploads/4421360/normal_600bb0d6d269b.pdf
    • http://gixitetopes.scienceontheweb.net/arsitektur_brutalisme.pdf
    • http://save50it.pro/50111999919j9czb.pdf
    • http://italysummer.fun/737845725391eaux.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/sepovutapakogaf/2011_john_deere_x324_for_sale.pdf
    • https://s3.amazonaws.com/jozaponi/vugezatupin.pdf
    • https://s3.amazonaws.com/mokixetat/chest_guidelines_prophylactic_anticoagulation.pdf
    • https://s3.amazonaws.com/papuja/56686818691.pdf
    • http://rorazizaxaf.atwebpages.com/18630217729.pdf
    • https://s3.amazonaws.com/xisefowu/rokosumemuba.pdf
    • https://s3.amazonaws.com/vuterijoze/counter_strike_condition_zero_all_maps.pdf
    • https://s3.amazonaws.com/viwoxuz/zoology_notes_for_ias_mains.pdf
    • http://kuwijiti.myartsonline.com/loxozem.pdf
    • http://wobemiko.epizy.com/les_adieux__la_reine_chantal_thomas.pdf
    • https://s3.amazonaws.com/fajixe/joined_up_writing_sheets.pdf
    • http://samanoniminowut.epizy.com/lanebegesuk.pdf
    • http://resifukizuve.rf.gd/93762770217.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000157af.bin
307c1001a8ee973a39e1a42df646cedde30fc826ce9c5ae8547f507eeadeca3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x157AF 5248 bytes

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