Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e2cb6008cb9c502…

MALICIOUS

PDF

75.3 KB Created: 2021-01-21 23:56:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 46c9bb17f12e757ceca004109373da27 SHA-1: 4b52ad84e6309101803c59feb638bd4af0f65b53 SHA-256: 2e2cb6008cb9c5025f707512ea4ca7f7f5acc927d1f6949f2fb9de62a49d3c05
154 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, which is designed to lead users to potentially harmful websites. The embedded URL and the ML classifier strongly indicate malicious intent, likely for phishing or malware distribution. No scripts were extracted, but the primary threat is the malicious URL.

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://gettraff.ru/wb?keyword=desktop%20tower%20defense%20strategy In PDF document text
    • https://site-1168079.mozfiles.com/files/1168079/bluestone_patio_border.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413842/normal_60038817c7996.pdfIn PDF document text
    • https://site-1171776.mozfiles.com/files/1171776/sogixe.pdfIn PDF document text
    • https://site-1177800.mozfiles.com/files/1177800/88464909908.pdfIn PDF document text
    • https://site-1177496.mozfiles.com/files/1177496/paletta_smart_color_splash_pro_apk.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/wufujudisu/any_to_dwg_converter_online_free.pdfIn PDF document text
    • https://s3.amazonaws.com/tedowafomaru/torajuras.pdfIn PDF document text
    • http://lapakak.rf.gd/ipg_carmaker_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/wuvepilamamuse/admirable_new_world.pdfIn PDF document text
    • https://s3.amazonaws.com/zetituri/26626057874.pdfIn PDF document text
    • https://s3.amazonaws.com/sukobogixe/chain_rule_problems.pdfIn PDF document text
    • http://xokesuluz.epizy.com/biology_dictionary_application.pdfIn PDF document text
    • http://boxugajot.rf.gd/2019_federal_income_tax_withholding_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/zonivezada/clifton_beach_tas_surf_report.pdfIn PDF document text
    • https://s3.amazonaws.com/suxiweke/38810659472.pdfIn PDF document text
    • http://worubag.epizy.com/ecsa_registration_forms_candidate_technician.pdfIn PDF document text
    • https://s3.amazonaws.com/jifedefujodu/minecraft_bedwars_for_ps4.pdfIn PDF document text
    • https://s3.amazonaws.com/rudelazifizuvo/acer_aspire_one_722_service_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/biwubeleba/21814525856.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_off0000e727.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE727 5436 bytes
SHA-256: c0db9dc3d3146f330c7f7f07ffe4f751d127ce16082f95943c4f95f50583a593
font_01_sfnt_off0000f9dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9DC 11088 bytes
SHA-256: 0689c97bd51427e414a0e51220a009c6146f7270ff41b12369f416882a6e4314

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