Malicious PDF — malware analysis report

Static analysis result for SHA-256 eda2f0ae9615b4de…

MALICIOUS

PDF

63.9 KB Created: 2021-02-12 17:07:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 9c8d1b31b6d603b0bf8720b8c21a3bf4 SHA-1: d468a037b019c648ba98ab359bab8339eeb72b1e SHA-256: eda2f0ae9615b4de8b6fb856b8f5b709d5c4f0898a855e5375d50cb1eca4792f
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to 'baarspo.ru', which is a strong indicator of a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the presence of embedded URLs and the nature of the detection suggest the document is designed to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://baarspo.ru/123?utm_term=unity+christian+football PDF link annotation
    • https://tigidejuremu.weebly.com/uploads/1/3/4/5/134502839/4632f44c0a3b.pdfIn PDF document text
    • http://espacecmb.xyz/hitron_cgn3acsmr_manual4vwm7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4506170/normal_5fcd716ebf067.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414852/normal_601ab0689a634.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4415527/normal_5fe32500a5519.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369762/normal_5fd2e68fe6e76.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488137/normal_60113a2010f68.pdfIn PDF document text
    • https://sagopitura.weebly.com/uploads/1/3/1/1/131164573/8153189.pdfIn PDF document text
    • http://gouliwer.online/ad_hoc_reporting_job_descriptionylxim.pdfIn PDF document text
    • http://interstart.online/ouro_verde_capitulo_1240eu8w.pdfIn PDF document text
    • http://klyshsheff.xyz/68496464390yjzs3.pdfIn PDF document text
    • http://romeital.space/dubirijimukedapekidalitud44ms.pdfIn PDF document text
    • http://samo-katim.ru/sarigiripidunizejiselefxrbyc.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/lezopobigeza/43516059257.pdfIn PDF document text
    • https://s3.amazonaws.com/mokamoba/june_tailor_inkjet_fabric_sheets.pdfIn PDF document text
    • https://s3.amazonaws.com/norozovijalu/baahubali_2_picture_movie.pdfIn PDF document text
    • https://s3.amazonaws.com/lemerisinivum/loan_calculator_app_for_android_free.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_off0000bda0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBDA0 5200 bytes
SHA-256: ccbaf4c887a79a3a463d4e57121fd201c18ef615b08888af7e273e046eb92a59
font_01_sfnt_off0000cf56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF56 10312 bytes
SHA-256: 1c94772e779364bc22417f672dc384288b407dc98a92b8b0cd09b9fd39cb5405

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