Malicious PDF — malware analysis report

Static analysis result for SHA-256 33fb607279900a66…

MALICIOUS

PDF

77.2 KB Created: 2021-03-19 09:25:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b4523efec8786823a9fa1944f7882718 SHA-1: b5ec27e67d450457be6c0fc48891cbfd1c6a3491 SHA-256: 33fb607279900a66f3ac6fa928cf71928b059e5347f3a423617369d792fda3a2
104 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a suspicious domain, likely intended to trick the user into downloading a malicious file. The presence of a 'download button' heuristic further supports a phishing or social engineering attack. ClamAV detection and ML classification strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://maypoin.ru/wix?keyword=into+the+wild+movie+download+480p
    • https://cdn.sqhk.co/patemugimej/gefGibn/kidadinisagenaf.pdf
    • http://peludofnor.fun/warhammer_40k_books_epub_downloadwducr.pdf
    • https://cdn.sqhk.co/gobejilu/hjaGjai/tebadedofa.pdf
    • http://bostpolamos.site/tadelupedizuh715v.pdf
    • https://cdn.sqhk.co/ritasuxa/XmEjehe/disunadebekupudirunogu.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://pezududofafoguv.rf.gd/econometrics_course.pdf
    • https://425e2ee7-996f-4c6d-a593-b44a2a39b733.filesusr.com/ugd/bb05c1_1b820017300b4a88889113455f256d2b.pdf?index=true
    • http://rujujarorimepa.rf.gd/honeywell_barcode_scanner_1900.pdf
    • https://s3.amazonaws.com/nitajosasa/dyson_dc59_not_turning_on.pdf
    • https://6478d21b-237c-41b5-add8-96d7b9819624.filesusr.com/ugd/c7ef1a_f2c3997f28784366913965ebf26983bb.pdf?index=true
    • https://c3e810f9-371e-40b9-9a0b-4695a496ec77.filesusr.com/ugd/2c7c49_06df9bccdf5d4c50bdb17d84148c29ec.pdf?index=true
    • http://fabibupotiliba.epizy.com/7206803533.pdf
    • https://be9ca920-c372-4566-b00d-544f92814f3b.filesusr.com/ugd/f0c5a9_ef30c2f477ba4ae38caac2d1bcad527e.pdf?index=true
    • http://pomolado.epizy.com/ranukujezafe.pdf
    • https://s3.amazonaws.com/tevigotu/wogonosojakixomi.pdf
    • https://s3.amazonaws.com/divikufifir/lightroom_free_for_macbook_air.pdf
    • http://wepelefil.rf.gd/35956107893.pdf
    • https://ff9dba89-6132-4485-99c2-ace8a2453124.filesusr.com/ugd/c3f59f_96e6467095aa486587f210d86dcf02e0.pdf?index=true
    • http://debalipusafuj.epizy.com/shopclues_apk_file.pdf
    • https://s3.amazonaws.com/luxelula/ford_mustang_ecoboost_review.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f0e9.bin
401617368c5fe1aca89a1c8e24a3c644ff85c6ac8c3ab88f508c4a009ae4fb3c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF0E9 5436 bytes
font_01_sfnt_off0001035d.bin
9a57f9d892fddc78e020a154ede81b80f34e8d06dcd6c840332df2ea34d60b02		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1035D 10584 bytes

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