Malicious PDF — malware analysis report

Static analysis result for SHA-256 96dce07034bf0f48…

MALICIOUS

PDF

72.1 KB Created: 2021-02-26 20:27:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 3b730c6b866cc9649007dbaf0d250360 SHA-1: 618e6a2df617cf05e52d2c627ab86585296c7ffd SHA-256: 96dce07034bf0f480ac6eb07288d463ed35e82a50a4b8cebac724057ca031972
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The ML classifier also strongly flagged this PDF as malicious. While no scripts were extracted, the presence of a malicious URL suggests the document is intended to redirect users to a site that likely hosts phishing content or a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://dafemum.ru/award?keyword=ronco+showtime+rotisserie+4000+white PDF link annotation
    • http://healthytrands.com/wogeguxepuvizan8lobq.pdfIn PDF document text
    • http://copyrightsupporteds.com/31716240401qep0e.pdfIn PDF document text
    • http://lazadacostumercenter.com/charles_ssl_certificate_androida92jz.pdfIn PDF document text
    • http://rexevivejegox.scienceontheweb.net/wanebukisub.pdfIn PDF document text
    • http://jusukigib.sportsontheweb.net/the_stand_stephen_king_series_uk.pdfIn PDF document text
    • http://huaweistoreukr.xyz/306357058185e68o.pdfIn PDF document text
    • http://baltika-trans.com/cortana_apk_not_workingmpcwl.pdfIn PDF document text
    • http://opendouche.xyz/fuwosibowcaa3k.pdfIn PDF document text
    • http://roflan.site/13244379012yua06.pdfIn PDF document text
    • http://tejasatobes.medianewsonline.com/14552698873.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4427274/normal_5fed9ce791ef5.pdfIn PDF document text
    • http://remont-pc.website/how_to_get_serato_pro_for_free9kdem.pdfIn PDF document text
    • http://xodaxedepapopox.mygamesonline.org/spelling_book_5th_grade.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/vebisop/front_squat_form_gif.pdfIn PDF document text
    • https://s3.amazonaws.com/luworizesupox/project_management_templates_in_excel_2013.pdfIn PDF document text
    • https://s3.amazonaws.com/vutame/7429105863.pdfIn PDF document text
    • https://s3.amazonaws.com/ropuba/3rd_conditional_sentences_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/jafujasiwetid/21933493419.pdfIn PDF document text
    • http://kedisijusa.onlinewebshop.net/corporate_communication_major_careers.pdfIn PDF document text
    • https://s3.amazonaws.com/xebuvuwov/vanedulojugoj.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d11e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD11E 4916 bytes
SHA-256: d2a89b2113e15189dc6301e38cbce49f41092024baae6d134353ffec8f421cb4
font_01_sfnt_off0000e1b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1B4 10304 bytes
SHA-256: dd91e71425c4856589f5cd831b6860f1ac71b02cc562d001379ad0d9756205fa
font_02_sfnt_off000104f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x104F7 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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