Malicious PDF — malware analysis report

Static analysis result for SHA-256 f389eb343372006e…

MALICIOUS

PDF

232.0 KB Created: 2021-03-18 14:05:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: d921c74b5083353fa6c71c0f5a2d22bb SHA-1: 9aee9a5600660b643bb789a7cf5fae1294963b10 SHA-256: f389eb343372006e6a593576b74f54a57816c0afddba9f9470c92925b64a75c6
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 0.9937

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://bologen.ru/aws?utm_term=new+english+file+upper+intermediate+vocabulary+list+pdf PDF link annotation
    • http://ligugiban.scienceontheweb.net/the_sedona_method_course.pdfIn PDF document text
    • http://leadtop.co/python_convert_stringio_to_file0nizm.pdfIn PDF document text
    • http://supfitket.buzz/spotify_account_checkeroiowk.pdfIn PDF document text
    • http://regsenatvumen.website/194387264815tqa.pdfIn PDF document text
    • http://soinjaga.ru/43969543252i2ny5.pdfIn PDF document text
    • http://vitrinachel.ru/job_opportunities_for_mechanical_engineers_in_uksje8t.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489835/normal_5fdc12624a862.pdfIn PDF document text
    • http://walkover.me/fudumofodegdei1p.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370560/normal_6015bcba5c497.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4497368/normal_6008e37925653.pdfIn PDF document text
    • http://hydrofthol.space/nofozutnjqc.pdfIn PDF document text
    • http://e-devletodeme.net/nasal_cavity_function_brainly0w8bw.pdfIn PDF document text
    • http://groshyk.site/telifevasedijaj5lyby.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4474205/normal_6002df6d3bc66.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/sumesawoxajew/68417337036.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f8aaf5a3-435a-4e3d-8772-b246b10698ad/16715765314.pdfIn PDF document text
    • http://telifujovemevo.atwebpages.com/dekukaneso.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d1a5299e-d097-49b7-8f1c-976388361a7b/best_body_mod_for_skyrim_xbox_one.pdfIn PDF document text
    • https://s3.amazonaws.com/xafaxotaful/bloomfield_ohio_livestock_auction_market_report.pdfIn PDF document text
    • https://s3.amazonaws.com/forupokisip/excel_formula_if_cell_contains_text_then_add_1.pdfIn PDF document text
    • https://s3.amazonaws.com/bupaxomu/wudesokaxirusulebawu.pdfIn PDF document text
    • https://s3.amazonaws.com/xezonijida/bpi_online_app_free.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_off00034fc4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34FC4 5932 bytes
SHA-256: 18aec1dae4b9a19c4ce9264ad8fac000c62855c3f1c7f894fa7d22bda19cf66d
font_01_sfnt_off000363ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x363ED 14088 bytes
SHA-256: 8698ca753bcb851130cdf38209393f36d63c26c06a73417ae9fd2b39bb6f2468

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