Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9293400cd4704b3…

MALICIOUS

PDF

66.6 KB Created: 2021-04-01 10:22:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: ac99591797137f5ab814228232985524 SHA-1: f62946ccfec628a2c1f04488b2b04f97d8644516 SHA-256: e9293400cd4704b320e43dca62425027f8343091eb19322296bbf2d578966b48
154 Risk Score

Malware Insights

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

The PDF contains numerous external links, a common tactic for SEO spam and phishing. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URL points to a domain associated with malicious activity, likely serving as a landing page for a phishing or malware download attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8274

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://vilenefex.ru/strik?utm_term=how+to+turn+on+tablet+without+power+button PDF link annotation
    • http://ighelpcenter.xyz/63944029268ebhip.pdfIn PDF document text
    • https://rasetakewalufil.weebly.com/uploads/1/3/6/0/136086978/fb9185947f37638.pdfIn PDF document text
    • http://scarcebook.com/tudanitodiz8nyvi.pdfIn PDF document text
    • https://biruwilajefi.weebly.com/uploads/1/3/4/6/134651793/goraxalut.pdfIn PDF document text
    • http://prequester.online/2006_harley_davidson_sportster_1200_custom_service_manualiqu4l.pdfIn PDF document text
    • http://ketotreno.buzz/tamil_words_pronunciation_in_englisheu1wy.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/lovomijelun/minecraft_1._7._10_cracked_team_extreme.pdfIn PDF document text
    • https://s3.amazonaws.com/zubata/frankenstein_pumpkin_template.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/21469bd2-8258-46d0-ae63-3c886402a649/67811886120.pdfIn PDF document text
    • https://s3.amazonaws.com/jadudusujuje/bossanova_jawa_suket_teki.pdfIn PDF document text
    • https://s3.amazonaws.com/jifedefujodu/69735401603.pdfIn PDF document text
    • https://s3.amazonaws.com/gotitibekovi/15173040099.pdfIn PDF document text
    • https://s3.amazonaws.com/wavunot/minn_kota_talon_8_weight.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/702b73f7-df86-4e8d-9098-0a232119ae63/pukilawun.pdfIn PDF document text
    • https://s3.amazonaws.com/petuzutemixuvod/android_21_tier_list.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e280b864-9185-4956-9b57-0e02a8e2f613/cateye_cycle_computer_reviews.pdfIn PDF document text
    • http://rileponabamel.rf.gd/critical_thinking_its_definition_and_assessment.pdfIn PDF document text
    • https://s3.amazonaws.com/godewumazek/lista_de_verbos_irregulares_en_ingles_completa.pdfIn PDF document text
    • http://bopanexogu.epizy.com/abstraction_in_programming_language.pdfIn PDF document text
    • https://s3.amazonaws.com/nitirew/simile_and_metaphor_worksheets_7th_grade.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c6a6faf3-301c-4627-8d50-c8c18b413aeb/letter_of_intent_sample_for_buying_a_business.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e856.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE856 4920 bytes
SHA-256: 6b9bd29f784d2bb4a383a10026e9a42c6e86d80d4af61d51ab41f6dbc7c83eb0