Malicious PDF — malware analysis report

Static analysis result for SHA-256 89bcf89df9ae43b3…

MALICIOUS

PDF

85.5 KB Created: 2021-03-09 02:58:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: fb7522e15433525a6c9726df29ef6c28 SHA-1: 35da27aeabb0eb419f2f1775555132b90c6bf053 SHA-256: 89bcf89df9ae43b3ab901e1d9e4280689219c140a72560afd47bc6d726534d3e
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 0.9995

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://ponafet.ru/strik?utm_term=evenflo+sureride+sport+review PDF link annotation
    • http://azorocheat6.xyz/autenticos_decadentes_tu_forma_de_ser9ek5d.pdfIn PDF document text
    • http://viniveba.mywebcommunity.org/nidexukevegopigiz.pdfIn PDF document text
    • http://electorat.org/bosch_axxis_washer_manual_where_to_put_detergentu4xeh.pdfIn PDF document text
    • http://puliliraforuwu.22web.org/46701743844.pdfIn PDF document text
    • http://tophomework.space/blanch_condensed_light_font_freek4sfn.pdfIn PDF document text
    • http://shopeuro.pro/junie_b_jones_halloweenau0mt.pdfIn PDF document text
    • http://copyrightsupporthelpcenter.com/youtube_history_of_the_world_part_1_spanish_inquisitionfm8e3.pdfIn PDF document text
    • http://dazolovegom.mygamesonline.org/how_to_buy_home_insurance_canada.pdfIn PDF document text
    • http://ductsunlimitedins.com/ualberta_electrical_engineering_calendarxnknn.pdfIn PDF document text
    • http://hookup671.site/scansnap_s1500_setup_dvdjnoa3.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/werowibovezoje/mejofovo.pdfIn PDF document text
    • https://s3.amazonaws.com/dikobepibelun/long-run_average_total_cost_curves_are_often_u-shaped.pdfIn PDF document text
    • http://panulanupujudun.epizy.com/what_is_statistics_data_analysis.pdfIn PDF document text
    • https://s3.amazonaws.com/sikuva/tujuz.pdfIn PDF document text
    • https://s3.amazonaws.com/galinikagopit/tezafimopepeboxim.pdfIn PDF document text
    • http://tafiwepamubov.atwebpages.com/what_are_three_main_types_of_informal_fallacies.pdfIn PDF document text
    • https://s3.amazonaws.com/lovetijif/autologous_blood_donation_fact_sheet.pdfIn PDF document text
    • http://kixazogegome.epizy.com/1998_honda_shadow_vt1100_service_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/fofeguj/57543680982.pdfIn PDF document text
    • https://s3.amazonaws.com/foneniz/91911842926.pdfIn PDF document text
    • https://s3.amazonaws.com/mokamoba/jigeg.pdfIn PDF document text
    • http://tososite.onlinewebshop.net/how_to_fix_a_craftsman_air_compressor.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_off00011326.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11326 4936 bytes
SHA-256: ede998d2e9408b0201c3aa79cf21a57bbca8d1d346c3e114b6fbb692d274bd2e
font_01_sfnt_off00012420.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12420 10504 bytes
SHA-256: 8ca42221003c2f303291b75892feb2e134eabd43b7f78536feaae9c27267d5e9

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