Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa0fbf12dc50ac7e…

MALICIOUS

PDF

72.7 KB Created: 2021-03-30 01:03:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 9afa1f6fb8d8243d6179cfb7a4384179 SHA-1: de6b94f73e415e996c26efb31a5535e90dea6175 SHA-256: aa0fbf12dc50ac7ea1de1848a98b58a51564aac63f095b2142fd1512cccab3f8
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://zajinet.ru/wix?keyword=2012+dodge+grand+caravan+repair+manual+pdf PDF link annotation
    • http://mybestchan.online/andrea_camilleri_libroshmr7n.pdfIn PDF document text
    • http://tokio-2020.fun/wosomop93f81.pdfIn PDF document text
    • http://bcipreactivaperu.com/cellulose_chemistry30inu.pdfIn PDF document text
    • http://peskomment.ru/little_red_riding_hood_characters_clipart4ljpm.pdfIn PDF document text
    • https://lolovegadagofi.weebly.com/uploads/1/3/1/6/131636941/6336317.pdfIn PDF document text
    • https://zubotovilep.weebly.com/uploads/1/3/4/5/134581484/mexenaro.pdfIn PDF document text
    • https://jodeliloku.weebly.com/uploads/1/3/5/9/135975589/4694431.pdfIn PDF document text
    • http://pay-order.info/gta_5_cheat_codes_ps39ppj3.pdfIn PDF document text
    • https://fevuxutub.weebly.com/uploads/1/3/4/1/134131759/nevumesu_woxetizoralomas.pdfIn PDF document text
    • http://mantenancie.com/95465423639fj92.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/lupuvogotog/foam_sheets_nz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fdb2073f-1c82-46c1-8107-29ae8aff4ec9/text_structure_practice_quiz.pdfIn PDF document text
    • https://s3.amazonaws.com/wupiwupiwot/nitipivavodofodinup.pdfIn PDF document text
    • https://s3.amazonaws.com/zemigiduwagafu/justify_your_answer_en_francais.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ebe8f25a-0607-4e4f-820e-234e0af23b91/96422827987.pdfIn PDF document text
    • https://s3.amazonaws.com/doxifuba/what_is_the_difference_between_relation_and_function_brainly.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5c969eea-4363-44b5-b00a-be062579417b/julovefuzanun.pdfIn PDF document text
    • https://s3.amazonaws.com/kegubinefuda/how_to_install_scosche_500k_micro_farad.pdfIn PDF document text
    • https://s3.amazonaws.com/jodabiladezot/60983145286.pdfIn PDF document text
    • https://s3.amazonaws.com/jadere/97856685078.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_off0000de75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE75 5588 bytes
SHA-256: c9e2e4ce6becd179011cd1f3d4a6cf52c8a731fed00d2c367d1ebfe0981f49f6
font_01_sfnt_off0000f176.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF176 10504 bytes
SHA-256: 4f91bdfdbed0c561a276295ebca07d3138ec32f3e79cbf16d11afcc16f1d55a6

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