Malicious PDF — malware analysis report

Static analysis result for SHA-256 27c233c22c72297e…

MALICIOUS

PDF

69.9 KB Created: 2021-04-22 15:15:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 39327d534e7763dfbfb7550050b69705 SHA-1: 85c5640c599b3f29fb39f70518dd548c81b9c342 SHA-256: 27c233c22c72297e5bfa6e87fedf1857adf4078cd452237acc49798cc74aaf38
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 0.9996

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://baarspo.ru/strik?utm_term=ruger+mini+14+10+round+magazine+coupler PDF link annotation
    • http://sipipewawezizuf.getenjoyment.net/gisaxudefevarigarised.pdfIn PDF document text
    • http://nibobokil.66ghz.com/allstate_benefits_wellness_claim_forms.pdfIn PDF document text
    • http://rubolanir.mypressonline.com/tomotuv.pdfIn PDF document text
    • http://jijomaj.getenjoyment.net/a_escrava_isaura_bernardo_guimaraes.pdfIn PDF document text
    • http://sizinepizot.scienceontheweb.net/quran_arabic_to_english_translation.pdfIn PDF document text
    • http://siwivelijutore.medianewsonline.com/45292261038.pdfIn PDF document text
    • http://lupazul.mywebcommunity.org/what_is_the_cost_of_a_siemens_hearing_aid.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kojomazudogog.epizy.com/how_to_turn_keyboard_light_on_lenovo_y520.pdfIn PDF document text
    • https://s3.amazonaws.com/pasutiz/ruxugufuvafeg.pdfIn PDF document text
    • http://biwonopo.epizy.com/52114919673.pdfIn PDF document text
    • https://s3.amazonaws.com/saziwijaxodav/painters_dust_sheets_ebay.pdfIn PDF document text
    • https://s3.amazonaws.com/sepovutapakogaf/24475453183.pdfIn PDF document text
    • https://s3.amazonaws.com/sojuravewi/dedivorofulivuvobuf.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/94eb362f-d661-4c18-a1fd-7dd75becfe50/frank_hammond_obituary_peterborough.pdfIn PDF document text
    • http://kofepiropi.onlinewebshop.net/life_application_study_bible_kjv.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f8c7a0e2-9e38-4850-84bd-f0509c406a20/i_wanna_iguana_book_cover.pdfIn PDF document text
    • http://kapivuvarebe.rf.gd/manual_accounting_system_examples.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f0eb91c8-d50a-47fd-a388-2962554d8122/pentair_kreepy_krauly_kruiser_reviews.pdfIn PDF document text
    • http://xedavabawavela.onlinewebshop.net/relative_clauses_exercises_advanced.pdfIn PDF document text
    • http://jokosen.atwebpages.com/40747471905.pdfIn PDF document text
    • https://s3.amazonaws.com/xomepixo/xuzubuz.pdfIn PDF document text
    • http://peronilekovo.rf.gd/83472417519.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_off0000d226.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD226 5556 bytes
SHA-256: 72af969af6d8b8d210a689452e1d325acfa664b35ba24ba1460cac30a719f4a2
font_01_sfnt_off0000e50d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE50D 10908 bytes
SHA-256: 1a8a05279b20da9b73f601058c3074625f4251ad4c80b9179b0e089f08b65360

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