Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6d2e0c262ce55af…

MALICIOUS

PDF

68.6 KB Created: 2020-12-18 06:42:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-14
MD5: b42cc2018a06d516e458dfe635b7d4a6 SHA-1: 77ce53126fe58120b0687e3e5a34acaeb9aeb57c SHA-256: e6d2e0c262ce55afb3744664321d38b0a383fb8ebdbc57e83c24288b4942c871
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 detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains an embedded URL that directs users to a suspicious domain, likely for credential harvesting or malware distribution. The document body, though partially corrupted, suggests a lure related to a 'Corningware slow cooker user manual'.

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://trafffi.ru/strik?utm_term=corningware+slow+cooker+user+manual PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4472793/normal_5fb2eb748b431.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418991/normal_5fd348b766bd3.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/felasorarabipis/wedunovanutefari.pdfIn PDF document text
    • https://s3.amazonaws.com/zatazewoz/weather_report_gotegaon_mp.pdfIn PDF document text
    • https://s3.amazonaws.com/lukepepe/lsat_preptest_68_answer_explanations.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a97faf73-a88d-40c6-aae9-db860c7e5580/19342828522.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc56ac1a879396864266ef9/t/5fd6eb41d654060362dc77bb/1607920450678/tububedozefibag.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcfd8568bfc51861680f96/1606221189894/vukujikizadibapaxuxovuwex.pdfIn PDF document text
    • https://s3.amazonaws.com/leributafa/ge_slow_cooker.pdfIn PDF document text
    • https://s3.amazonaws.com/lorifawuvawot/comptia_network__study_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d16c1256-ae89-4865-9e4f-e85858a3fab3/64990110931.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc681ecaffbf90a661134fa/t/5fc895af8eecd53e39ee914d/1606981052224/3787022653.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ce3071c4-e3b3-4f4f-8345-dd482fc21346/965583737.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bc139f29-c46d-4e0e-a7db-b69b42a63b7d/boomkin_pvp_guide_8.1.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3e19177a-324f-40f7-aafe-9c1718c05c76/92937620474.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_off0000ccca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCCA 5180 bytes
SHA-256: d63b6c09e30279626bb2411c7f0e47052baf300675858430ea51626531e8d8b8
font_01_sfnt_off0000de68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE68 11544 bytes
SHA-256: f9435a4aa5f0371ad59d948a0f8ee54bbbbfd1a1f10b0d191246d0db090fca2d

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