Malicious PDF — malware analysis report

Static analysis result for SHA-256 e593e89e50f0a8d0…

MALICIOUS

PDF

93.2 KB Created: 2021-05-08 13:10:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: f269aad0b4437a97646a3220ed5a1a86 SHA-1: 71fbe7cdfa9191714d4a5ba471e1952bc3cdd491 SHA-256: e593e89e50f0a8d0188b0315ed117d562071b0c14d6bb718435a633cee16a191
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9964

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://seumenha.ru/strik?utm_term=mn+rules+of+evidence+807 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4392193/normal_601d9f6838b5c.pdfIn PDF document text
    • http://birjand.design/midepodisawjamm8.pdfIn PDF document text
    • http://zedenupivuraj.22web.org/fluke_789_processmeter_user_manual.pdfIn PDF document text
    • http://fruitik.space/parental_control_screen_time_website_blocker572ze.pdfIn PDF document text
    • http://munupesifak.22web.org/zajumobodirezulokimi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486534/normal_60643548685fc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365555/normal_6034eb48c97fe.pdfIn PDF document text
    • http://lp-consalt.ru/what_is_a_briggs_and_stratton_intek_engineuy8kd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367960/normal_6002574e96a37.pdfIn PDF document text
    • http://tlgfree.xyz/mustang_owners_club_of_australia_victoriax5hw1.pdfIn PDF document text
    • http://xawamiwupajev.mygamesonline.org/97183343457.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404966/normal_6019ad3f9dc9a.pdfIn PDF document text
    • http://handler-autoscout24.com/what_is_australian_culture_known_for9cy1f.pdfIn PDF document text
    • http://misamal.22web.org/internet_of_things_architecture_and_design_principles.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/rufonali/rosencrantz_and_guildenstern_are_dead_summary.pdfIn PDF document text
    • https://s3.amazonaws.com/rodiligarexo/jikinun.pdfIn PDF document text
    • https://s3.amazonaws.com/dalava/flashback_delay_toneprints.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/db1beb56-fb82-4c53-9583-bd60ecc97c7f/70803985418.pdfIn PDF document text
    • https://s3.amazonaws.com/midizaxopazeji/amazon_fire_video_format.pdfIn PDF document text
    • http://sofibimibojas.myartsonline.com/chemistry_notes_for_class_11_chapter_9.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9fb05a94-fbcc-4cae-80c6-3d6ff2345a86/ashton_kutcher_the_ranch_accent.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/de812bf1-e367-4247-a117-a831739d5cc1/bifesupu.pdfIn PDF document text
    • http://beduxuluwuniva.rf.gd/27975774814.pdfIn PDF document text
    • https://s3.amazonaws.com/pukaridimupo/clinical_guidelines_for_diabetes_mellitus.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a0a0b5d3-a4ad-44e4-bba9-2d2e5edca3bc/29429474901.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3f25d82-a4e9-40b9-b090-8b332e8d96b3/60068576222.pdfIn PDF document text
    • http://siwemoxoxawevuv.atwebpages.com/birth_chart_in_tamil.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_off00012dc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12DC0 5288 bytes
SHA-256: ffa2d1859adcd64ec80ba3fa8c789bbb783018dfd0aa6dbe7470050eb6e52dc5
font_01_sfnt_off00013fec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13FEC 11280 bytes
SHA-256: d065b77f1b741e2f32490bf2ca93dd16c4b8f193d29d4299fe7f7a06b3584b58

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