Malicious PDF — malware analysis report

Static analysis result for SHA-256 abdf6acaede03155…

MALICIOUS

PDF

72.6 KB Created: 2021-04-06 19:48:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: c891323be7b159244bdcc6e443918b6b SHA-1: 118deb948f50fdbf56caa770d7b30af430440f93 SHA-256: abdf6acaede0315543ecd23a32a931b587cd580a579929783941b742e7b8aadc
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 0.9960

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://gimoguvi.ru/123?utm_term=horizon+school+division+annual+report PDF link annotation
    • http://alifan.store/casio_sgw_1000_usados5food.pdfIn PDF document text
    • https://bikujezojodu.weebly.com/uploads/1/3/4/5/134587809/zamon.pdfIn PDF document text
    • http://pitikudefojeken.getenjoyment.net/physics_waves_quiz.pdfIn PDF document text
    • https://dowisapi.weebly.com/uploads/1/3/4/2/134266119/6216390.pdfIn PDF document text
    • http://fejugutafilevin.scienceontheweb.net/bible_history_facts.pdfIn PDF document text
    • https://tamusibexo.weebly.com/uploads/1/3/5/9/135966636/wojajobaka.pdfIn PDF document text
    • http://boost-shop.xyz/summoning_the_darkness_netflixi1mb7.pdfIn PDF document text
    • https://kinixudowobi.weebly.com/uploads/1/3/5/3/135399761/61bd9f3f8de52a6.pdfIn PDF document text
    • http://zipubezexupoka.mywebcommunity.org/wasusupekujiwukuke.pdfIn PDF document text
    • https://sobugegebo.weebly.com/uploads/1/3/4/4/134489054/zakawubimejewimi.pdfIn PDF document text
    • https://fuwexizadosilu.weebly.com/uploads/1/3/5/3/135318643/8870112.pdfIn PDF document text
    • http://nogixif.iblogger.org/english_synonyms_with_urdu_meanings.pdfIn PDF document text
    • http://onlajn-kassa.ru/antigua_passport_form_under_16830lv.pdfIn PDF document text
    • https://memuwumobodedo.weebly.com/uploads/1/3/5/9/135974490/1314554.pdfIn PDF document text
    • http://wejowadizabudex.mypressonline.com/how_much_does_it_cost_to_run_a_gas_wall_heater.pdfIn PDF document text
    • http://fotodosajube.22web.org/oxford_english_grammar_course_advanced_answer_key.pdfIn PDF document text
    • https://sewizafisebe.weebly.com/uploads/1/3/1/4/131437566/a16dbe39bd614.pdfIn PDF document text
    • http://salonop.xyz/behringer_eurorack_ub802_review4gnjh.pdfIn PDF document text
    • http://akillidestekbasvuruformu.online/dapixosovagimigowefone9kbqh.pdfIn PDF document text
    • http://dogalijun.scienceontheweb.net/nupukanasizakofiw.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/fefurorobumi/tiranikokekumu.pdfIn PDF document text
    • https://s3.amazonaws.com/zatasipezeg/80852805777.pdfIn PDF document text
    • https://s3.amazonaws.com/norozovijalu/zugemanegeloduxum.pdfIn PDF document text
    • https://s3.amazonaws.com/gazitif/adverse_action_letter.pdfIn PDF document text
    • https://s3.amazonaws.com/bovenotojitowe/lyrics_for_seven_years_by_lukas_graham.pdfIn PDF document text
    • http://vabizofolimise.epizy.com/32333539746.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_off0000ddf1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDF1 5232 bytes
SHA-256: 14660abb27aa5289d687ad20f7ff9c5dd65b9905d7f32278f3ef0193873503b9
font_01_sfnt_off0000efc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFC6 10836 bytes
SHA-256: 643cf26c46d04a4c12858f27f00c84d75ba1141462c3071dd9aea81b48eefeaf

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