Malicious PDF — malware analysis report

Static analysis result for SHA-256 614e2d8661185799…

MALICIOUS

PDF

82.8 KB Created: 2021-04-29 23:32:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 4f978ed3d392dc0c9f0f8caf57b4cbd2 SHA-1: d874b543066cb9dfb42db0b9e8e5812412af1cab SHA-256: 614e2d866118579941ba1e7fb3e4dc9ce69758a9b7bd6a29974b3d6a19a049aa
96 Risk Score

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://resalured.ru/strik?utm_term=earthwise+12+amp+electric+lawn+mower+manual PDF link annotation
    • https://cdn.sqhk.co/wanaxowuwot/cgdbQig/34191227403.pdfIn PDF document text
    • http://fuwiduwoxobol.mygamesonline.org/diagnostico_cancer_de_esofago.pdfIn PDF document text
    • https://cdn.sqhk.co/tabewinudeka/v5hephh/stone_giant_names_pathfinder.pdfIn PDF document text
    • https://cdn.sqhk.co/borefigux/jfhbfia/pagitupa.pdfIn PDF document text
    • https://cdn.sqhk.co/derixosu/Khcc6hh/robako.pdfIn PDF document text
    • https://cdn.sqhk.co/nokotadi/dhdgeih/sadele.pdfIn PDF document text
    • https://cdn.sqhk.co/vosizijanad/jgaNRgc/15531788765.pdfIn PDF document text
    • https://cdn.sqhk.co/pobumepova/hdaf7jg/kuviv.pdfIn PDF document text
    • https://cdn.sqhk.co/nedupugifuka/1rnhjii/critical_thinking_exercises_and_answers.pdfIn PDF document text
    • https://cdn.sqhk.co/zebenane/fjhheii/pavotimugetabifov.pdfIn PDF document text
    • https://cdn.sqhk.co/dunokufimove/oijATCy/anzac_park_public_school_winter_uniform.pdfIn PDF document text
    • https://cdn.sqhk.co/fedefuxu/hbyBnLG/84526511619.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/posufij/fajotenijakozisexar.pdfIn PDF document text
    • https://s3.amazonaws.com/xufaxoferugod/whirlpool_washing_machine_spare_parts_dealers_in_hyderabad.pdfIn PDF document text
    • http://lawewil.atwebpages.com/blender_2._79b_tutorial.pdfIn PDF document text
    • http://pulitisagot.atwebpages.com/besoxemomadowipedoxijase.pdfIn PDF document text
    • https://s3.amazonaws.com/boxalewijim/72564835269.pdfIn PDF document text
    • https://s3.amazonaws.com/kovilowab/coliformes_fcaux_traitement.pdfIn PDF document text
    • http://zejibanunepi.myartsonline.com/bible_verses_about_holy_spirit.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_off000105a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105A0 5404 bytes
SHA-256: c0e013d1b76e67f768db347a1754ccd5d8416c8950c092d2f6840bdc5a35a4b6
font_01_sfnt_off000117f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x117F4 11248 bytes
SHA-256: d357822b229937d1a4db1fc986ef8834702688b90b01722b4f1205c94919301d

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