Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9d5937bf4723bd6…

MALICIOUS

PDF

91.2 KB Created: 2021-03-30 21:46:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: fbac5598bc0936ed2632d9a7ac2673df SHA-1: 53eb47cf0103c788a9c46aab87231c08f83b59e2 SHA-256: e9d5937bf4723bd6fd24a3cf9d3a1f36e52ed18aacda4979ae786e78d903e213
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 0.9996

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://gimoguvi.ru/strik?utm_term=how+much+is+a+lawn+mower+battery+at+walmart PDF link annotation
    • http://nusezuretoti.scienceontheweb.net/public_administration_definition.pdfIn PDF document text
    • https://cdn.sqhk.co/nanagajog/Wyifjim/interesting_facts_about_mental_illness.pdfIn PDF document text
    • https://cdn.sqhk.co/nobipajami/DghyNhf/71392074395.pdfIn PDF document text
    • https://cdn.sqhk.co/vatukaso/jjcqjhZ/steel_weight_calculation_formula_excel.pdfIn PDF document text
    • https://cdn.sqhk.co/nujamaweke/bxgj644/megaxugubuwod.pdfIn PDF document text
    • http://dizititakozazi.mywebcommunity.org/gesolo.pdfIn PDF document text
    • https://cdn.sqhk.co/lajagika/habjbhh/motorbike_suspension_tuning_melbourne.pdfIn PDF document text
    • https://cdn.sqhk.co/dogilijesiwu/gcKgigf/smart_tv_deals_now.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://siwemoxoxawevuv.atwebpages.com/download_essential_hematology_6th_edition.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e81e9394-aaed-41d0-b552-3b6c257b155a/delonghi_nespresso_lattissima_touch_capsule_coffee_machine_en560w_white.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/16a0c856-07c6-4caa-8cc2-b5d89b0c58da/59838532820.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d0164983-ca53-4406-875f-46ddc57c60b4/26471241912.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9c6d7328-9d78-4100-b794-cd8601a3641a/43259112022.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b45c78c6-469d-4c58-a539-dc3b625ce444/cyclops_spotlight_replacement_battery.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e4ded902-a5a7-42df-a177-73e50d435105/vujavugapenelogajebuzuju.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a8348aad-98ff-421c-ba3d-2192c97db826/does_so_good_almond_milk_contain_carrageenan.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/191d49fc-d780-47cf-99c8-07747a5be180/database_management_definition.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6d40efaa-80b9-4f3b-9d30-adbf7ed53cf0/19497854832.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/599672ce-bee1-4be2-a48e-3139cfbf1015/marshall_jmp-1_footswitch_schematic.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e7e7886d-76a0-49d2-bd19-defbaaad8b80/six_sigma_white_belt_certification_exam.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5e2fd030-2e3b-4fcb-9919-402fd0de5097/10111825051.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2fe88c5c-e172-44f6-a5e7-e812ff95a20e/12224808263.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_off0001268b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1268B 5336 bytes
SHA-256: cf94af6b5bb450e9e6505ae40ad1464afd71448fcafe4827668284cea91b2f58
font_01_sfnt_off00013898.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13898 11368 bytes
SHA-256: 581d2e570c1d30c61eb732341312ad94137f69ef5a1e1a9b57cfe73f31022f5a

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