Malicious PDF — malware analysis report

Static analysis result for SHA-256 7abf18b578e51706…

MALICIOUS

PDF

77.5 KB Created: 2021-05-01 09:08:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 64abc7543d901f29899dd67c4c86c893 SHA-1: 8722371f3acd82922530bf20b7a706fddcc92e11 SHA-256: 7abf18b578e51706c52af57280d2fcdf3115e8043605583ec060f0e50f5bd3c2
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 0.9991

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://xezojetit.ru/strik?utm_term=what+is+the+best+water+softener+salt PDF link annotation
    • https://cdn.sqhk.co/buvaboda/cSZjdhj/download_game_carnivores_ice_age_mod_apk.pdfIn PDF document text
    • http://bixaxivajujojar.mypressonline.com/supewowesesepomozan.pdfIn PDF document text
    • https://cdn.sqhk.co/janawezexoj/hghoGhf/kung_fu_do_fighting_download_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/nimuxugemu/a2iitje/kick_the_buddy_2_mod_apk_latest_version.pdfIn PDF document text
    • http://kemikavar.mypressonline.com/2391718660.pdfIn PDF document text
    • https://cdn.sqhk.co/bularalunop/g3hkggz/71778659429.pdfIn PDF document text
    • http://bofoduweb.22web.org/gestalt_therapy_verbatim.pdfIn PDF document text
    • https://cdn.sqhk.co/vozeseseber/7ghihdN/craigslist_ny_cars_for_sale.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/nazekisigiduz/budezavitaxudugajila.pdfIn PDF document text
    • https://s3.amazonaws.com/pobixedele/how_does_charcoal_pull_out_blackheads.pdfIn PDF document text
    • https://s3.amazonaws.com/nevovumowa/functional_training_exercises_at_home.pdfIn PDF document text
    • https://s3.amazonaws.com/bejexe/epilogue_la_la_land_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/sepovutapakogaf/rakiluzumawinil.pdfIn PDF document text
    • https://s3.amazonaws.com/wupagivoz/whats_the_best_self_tanner_to_use.pdfIn PDF document text
    • http://wikafivivuma.epizy.com/ableton_9_tutorial.pdfIn PDF document text
    • https://s3.amazonaws.com/fevobelijogal/mixebirirusud.pdfIn PDF document text
    • https://s3.amazonaws.com/vabedafozo/rise_and_shine_kylie.pdfIn PDF document text
    • http://tixisodid.epizy.com/zopugoputirurixepa.pdfIn PDF document text
    • http://nabenejajoko.myartsonline.com/south_thailand_map.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5b5b115f-0657-4ea0-8874-40073250d942/white_t-shirt_and_jeans_outfit_female.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bfd6b14f-b8dc-4f2b-9f97-0880e05a8082/rirebajidi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/60688fe9-29c7-4965-ae31-316295af2b99/67298494942.pdfIn PDF document text
    • http://nisepekana.rf.gd/normal_aging_process.pdfIn PDF document text
    • http://sarovagovoz.rf.gd/modern_periodic_table_hd_image.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e56c2e9f-b933-4965-815b-c3f52879b590/vijasobajaros.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_off0000f0f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0F5 5100 bytes
SHA-256: db11e156e84262f760b0e00e5a37d19c6461ec17b351de22a718e6b0cb38515d
font_01_sfnt_off0001025e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1025E 11172 bytes
SHA-256: d3c6430cfe880456b7c4f1389e591663436662bc8e9d7e9e36199673ff88ae8a

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