Malicious PDF — malware analysis report

Static analysis result for SHA-256 966c0fbc29316d44…

MALICIOUS

PDF

76.6 KB Created: 2021-03-16 13:30:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 1dbf0681b583d65afdbf13e353cc4870 SHA-1: 5a385f376f5d7c6d2d2df9d12598819010afafbf SHA-256: 966c0fbc29316d442f77421211767fffa0894005d2bc67bdbb4874be729c3d66
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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/strik?utm_term=french+english+online+translation+dictionary+lexilogos PDF link annotation
    • http://wapividazofar.scienceontheweb.net/6300217431.pdfIn PDF document text
    • http://gukiduwonaxinef.getenjoyment.net/72396622754.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386842/normal_6014dc2be0fac.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368750/normal_605024af35a11.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369768/normal_6020ba7216574.pdfIn PDF document text
    • http://rijewomel.scienceontheweb.net/what_is_the_role_of_sports_captain_in_school.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4390069/normal_5fccc6ec4facc.pdfIn PDF document text
    • http://mafeniwaparidip.22web.org/nec_practical_completion_certificate_template.pdfIn PDF document text
    • http://wepisoja.mypressonline.com/manual_programador_rain_bird_esp-rzx.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/kuboki/245084405.pdfIn PDF document text
    • https://s3.amazonaws.com/jipowumat/gabaxujedukatokenizeb.pdfIn PDF document text
    • https://s3.amazonaws.com/zifozujiwi/sutalilosuwagil.pdfIn PDF document text
    • https://s3.amazonaws.com/nonipesikiri/common_idioms_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/xefezesebusu/copy_bookmarks_from_chrome_android.pdfIn PDF document text
    • https://s3.amazonaws.com/sesijesule/ielts_404_reading_answer_key.pdfIn PDF document text
    • https://s3.amazonaws.com/nazekisigiduz/62005248466.pdfIn PDF document text
    • http://konevimojo.epizy.com/cause_and_effect_worksheets_5th_grade.pdfIn PDF document text
    • http://zuputes.atwebpages.com/kabukununoxowuzarajafomi.pdfIn PDF document text
    • http://vawojemi.epizy.com/gsat_pinoy_installation_guide.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_off0000ec44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC44 5328 bytes
SHA-256: e447fd5cc577b84f4a89a3f684096df69251aceffd0d575048e0222b07a90fa8
font_01_sfnt_off0000fe6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE6C 11488 bytes
SHA-256: 9064daeff1b3c986b9de33143619d63a63a3fbc2ffe72c5518c8e568d5e39403

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