Malicious PDF — malware analysis report

Static analysis result for SHA-256 84c73315075ab5ad…

MALICIOUS

PDF

77.8 KB Created: 2021-04-09 15:27:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 8ab71a72d5a71634c71ee528e2ca08b8 SHA-1: 17488ceec9b2d8c97d7bbf29afd5d2573abe2ea1 SHA-256: 84c73315075ab5ad78bff2dd7d172687278a0a84049a21ef13cd2feea4a70421
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://dugedepap.ru/strik?utm_term=percy+jackson+movies+3+full+movie PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4463300/normal_60249be5c7517.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421939/normal_601b55dcb07cc.pdfIn PDF document text
    • http://nosesakegipol.iblogger.org/85443622983.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wigewedarigal.rf.gd/rolawiraxorev.pdfIn PDF document text
    • https://s3.amazonaws.com/baxegezivumi/37450106150.pdfIn PDF document text
    • https://s3.amazonaws.com/towakog/charla_de_seguridad_covid_19.pdfIn PDF document text
    • http://lofidofo.epizy.com/negative_impacts_of_globalization.pdfIn PDF document text
    • https://s3.amazonaws.com/gateme/9247528412.pdfIn PDF document text
    • http://tikuvusupatel.rf.gd/92088950441.pdfIn PDF document text
    • https://933afb0c-60ca-4ff4-ba38-e7c804ca925d.filesusr.com/ugd/941881_2f41ef8a7e9442799bdbca2f2ecb7cd3.pdf?index=trueIn PDF document text
    • https://a0f88182-e1f9-4a9c-ba22-d5ce004c6985.filesusr.com/ugd/2f3216_bf5eb7597b344cb49f5fc07c9e9abf9c.pdf?index=trueIn PDF document text
    • http://sozogakuvigoxev.epizy.com/kujuxoxaxuroxul.pdfIn PDF document text
    • http://gebozobab.epizy.com/snes_emulator_android_games.pdfIn PDF document text
    • https://6196a4e6-b3b5-4a85-a139-4ec84e0a53d9.filesusr.com/ugd/d01287_02fcdbd8caca4d869631f976ad5cb5de.pdf?index=trueIn PDF document text
    • http://pagolojesuwagi.epizy.com/sodibugesarazufarigima.pdfIn PDF document text
    • https://s3.amazonaws.com/wolina/clinical_research_associate_resume_template.pdfIn PDF document text
    • https://b3a1a1c9-4f8f-4fb8-b7cc-7339030cc889.filesusr.com/ugd/162fe6_fb6e41fdf822400d92c5515ebac1c6a8.pdf?index=trueIn PDF document text
    • http://podafax.epizy.com/campbell_biology_concepts_and_connections_5th_edition.pdfIn PDF document text
    • http://wotolag.epizy.com/letters_of_recommendation_for_scholarships_template.pdfIn PDF document text
    • http://tugosujamas.rf.gd/16179034704.pdfIn PDF document text
    • http://dumevurofif.rf.gd/bmat_past_papers_worked_solutions.pdfIn PDF document text
    • http://kitukogoxav.epizy.com/12th_biogas_project_in_marathi.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ef93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF93 5496 bytes
SHA-256: 36d8798ae31d6d94941b22192c508beeb3ccf446db64eddbb53bcc54930ca2fc
font_01_sfnt_off0001024b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1024B 11624 bytes
SHA-256: 284a54bc84b63b1991aa49151867aca234f208bf69d357c382d4b696eeffe05f

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