Malicious PDF — malware analysis report

Static analysis result for SHA-256 8742596586794e19…

MALICIOUS

PDF

106.5 KB Created: 2021-01-26 20:44:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: d4d4d9ed05db9a8c1c0beea8a579be69 SHA-1: e6f05636e3d045c498e2daa372b54761c461806a SHA-256: 8742596586794e198db63d20388573d092f1ba1cd8f70c45ba05ed0db2959be2
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains an embedded URI pointing to a suspicious domain, suggesting a phishing or malware distribution attempt. While no scripts were explicitly extracted, the PDF structure and embedded URI are strong indicators of a malicious document, likely intended to trick users into visiting a compromised website.

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=conceptos+de+presupuesto PDF link annotation
    • https://kolijegidixut.weebly.com/uploads/1/3/1/3/131379325/266898a03c97a0.pdfIn PDF document text
    • http://dodemawaj.iblogger.org/16631176715.pdfIn PDF document text
    • https://zegosonov.weebly.com/uploads/1/3/4/1/134109065/vawomidube-penixozogox-makinujigute-zimorivujovow.pdfIn PDF document text
    • http://dadosib.22web.org/tepumolisoxifesijojajulom.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412897/normal_600e41573289a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417206/normal_600afca736017.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://gedamodeges.epizy.com/australia_invoice_template_word.pdfIn PDF document text
    • http://satekivu.rf.gd/53318584694.pdfIn PDF document text
    • http://sexikiti.epizy.com/97384423554.pdfIn PDF document text
    • http://zekarevuwo.epizy.com/lrtemplate_to_dng_converter.pdfIn PDF document text
    • http://josusasufuni.epizy.com/36966227135.pdfIn PDF document text
    • https://s3.amazonaws.com/numegubowalonan/50324149555.pdfIn PDF document text
    • https://s3.amazonaws.com/gawabog/44838509950.pdfIn PDF document text
    • https://s3.amazonaws.com/jolunenafobuw/36107574693.pdfIn PDF document text
    • http://sanikivatuma.rf.gd/egyptian_art_book.pdfIn PDF document text
    • https://s3.amazonaws.com/xamapebonijos/ossiarch_bonereapers_battletome.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_off000161db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x161DB 4732 bytes
SHA-256: cc0adc663b6bdad0d3c16f4be3b4eabb9c47516ea7c77c90688868c6215b6844
font_01_sfnt_off000171fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x171FC 12616 bytes
SHA-256: 38e03afb5e5898350ac0b4a552128cdaf7a017fbc4e3bcaefd79e483e4cd96f8

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