Malicious PDF — malware analysis report

Static analysis result for SHA-256 8fb2a07c6ade3942…

MALICIOUS

PDF

78.6 KB Created: 2021-02-17 11:59:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: b19076c75616cd6438cfac0ab65c612c SHA-1: af7c9a21943aa13687fe0378546976b20a616532 SHA-256: 8fb2a07c6ade39422b9c9596481d62d2071de2d469c4861bde7bb120f5abe659
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-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://druttle.ru/wix?keyword=1984+study+guide+pdf+answers PDF link annotation
    • http://remipav.22web.org/solr_search_engine_tutorial.pdfIn PDF document text
    • http://ovca.space/331618146781s286.pdfIn PDF document text
    • http://agencymedia-ig.com/florida_constitutional_amendments_2018_guideo7v12.pdfIn PDF document text
    • http://sekijad.iblogger.org/cardo_packtalk_slim_quick_guide.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366047/normal_6023e5f88e2c5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368251/normal_6019ccd99a8b3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4370063/normal_5ffcc2f35d3b1.pdfIn PDF document text
    • http://dunotap.iblogger.org/lozuf.pdfIn PDF document text
    • http://mynasert.online/a_workbook_for_arguments_2nd_edition_exercise_answersdmt2v.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://sajonagot.rf.gd/credit_report_canada_free_trial.pdfIn PDF document text
    • http://rukotig.rf.gd/what_is_a_device_used_in_sifting.pdfIn PDF document text
    • https://s3.amazonaws.com/zonebon/biogas_plant_information_wikipedia.pdfIn PDF document text
    • https://s3.amazonaws.com/vosimalume/dujekusagibuza.pdfIn PDF document text
    • https://s3.amazonaws.com/garorowa/android_borescope_app.pdfIn PDF document text
    • http://duzewinabo.epizy.com/moh_moh_ke_dhaage_lyrics.pdfIn PDF document text
    • https://s3.amazonaws.com/xonaxevetaf/aromatic_aldehydes_formation.pdfIn PDF document text
    • http://vugixemavofagen.epizy.com/android_sqlite_create_table_primary_key.pdfIn PDF document text
    • https://s3.amazonaws.com/bopuxosavubare/arbeitsvertrag_unbefristet.pdfIn PDF document text
    • http://molodetagako.epizy.com/83981949999.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e72c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE72C 5540 bytes
SHA-256: 3e4fd688ba98a5efa97b4ea0185580c0592de9ca99cc43e76bf99b8c538b4321
font_01_sfnt_off0000fa25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA25 10748 bytes
SHA-256: 192bebb9873a168c4a39b5a49e0a3ed2b26fd6e6650b6bebd8c16f52c71dda16
font_02_sfnt_off00011ec0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11EC0 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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