Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0c1d9dd6c829f51…

MALICIOUS

PDF

86.1 KB Created: 2021-03-17 05:25:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-28
MD5: 43b1e450480b34f3d22a76eed107c8ae SHA-1: 62e393b19fd86e9eb07ee2599a8898a4b7e26ae1 SHA-256: e0c1d9dd6c829f5160e175db6f8db40a47d9146bc4fd9dcfb7b5e523151352c0
96 Risk Score

Malware Insights

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

The file is identified as malicious by a ML classifier and ClamAV, indicating it is likely a phishing or trojanized PDF. The embedded URL points to a domain associated with malicious activity, suggesting the document is designed to trick users into downloading further malware. No scripts were extracted, but the PDF structure and heuristics indicate a malicious intent to deliver a payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://resalured.ru/award?keyword=cv+of+civil+engineer+fresher+pdf PDF link annotation
    • http://tryne.xyz/cartoon_movies_2018_list0elrl.pdfIn PDF document text
    • http://kulinar2020.site/42174336579mhhoc.pdfIn PDF document text
    • http://doguzunagenuxo.22web.org/kovulaboferon.pdfIn PDF document text
    • http://ujjjrrrrr.space/95317013992vm2sf.pdfIn PDF document text
    • http://usacreditscore.info/how_much_would_a_nintendo_2ds_sell_forguhoj.pdfIn PDF document text
    • http://fb-ig-copyright.com/jupogedenasejatuxlxoou.pdfIn PDF document text
    • http://matodobotosirom.66ghz.com/cdc_central_line_associated_bloodstream_infections_guidelines.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/donarepemi/dojapufapurajaxexefi.pdfIn PDF document text
    • https://s3.amazonaws.com/mesotodimus/the_lamb_collingsworth_family_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/rutufokedizon/john_deere_850_tractor_parts_diagram.pdfIn PDF document text
    • https://s3.amazonaws.com/buwosevax/73959478676.pdfIn PDF document text
    • https://s3.amazonaws.com/samopakamefap/50965773014.pdfIn PDF document text
    • https://s3.amazonaws.com/jixeremipet/arma_3_antistasi_strategy_guide.pdfIn PDF document text
    • http://gigitepusiligo.epizy.com/mabugusuvobelesuk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7344fa50-6c62-4e82-b392-79008b13093c/is_love_is_a_fallacy_a_logical_story.pdfIn PDF document text
    • https://s3.amazonaws.com/suxuzubojut/sims_3_patch_notes_funny.pdfIn PDF document text
    • https://s3.amazonaws.com/nonabafat/justification_report_format.pdfIn PDF document text
    • http://kexobub.rf.gd/blackberry_classic_android_apps_installieren.pdfIn PDF document text
    • https://s3.amazonaws.com/xopugup/namovif.pdfIn PDF document text
    • https://s3.amazonaws.com/megelugik/cc_mariners_fc_form.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ca9eaeca-6f8d-4826-af64-1c23d983c7e6/47425284128.pdfIn PDF document text
    • http://rufazigivemebod.rf.gd/96887171651.pdfIn PDF document text
    • https://s3.amazonaws.com/bupaxomu/ruziwijamosutero.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_off00010f03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F03 5172 bytes
SHA-256: cfd561e4e58c435d0f5918e8fd9ac473cc355d61eb2bfae3f097332a460472f2
font_01_sfnt_off000120a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x120A4 11936 bytes
SHA-256: 950fa7c92ff5da207ee7886b685336f37bcadef363199fff551544d8437c5777

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