Malicious PDF — malware analysis report

Static analysis result for SHA-256 15e14302099db75e…

MALICIOUS

PDF

76.9 KB Created: 2021-04-27 15:06:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: 0a882d4db7e0aea0d90fcbc2358b229f SHA-1: d3acbff399e2b887ccf19a7f65a4a35036d118d9 SHA-256: 15e14302099db75ef590612636a80e35089b345058dd64c106e168315c6447f3
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains an embedded URI pointing to 'baarspo.ru', which is likely a malicious domain used for distributing further payloads or phishing content. The document body, though heavily obfuscated, suggests a lure related to a 'Honda gx340 11 hp service manual'. No scripts were extracted, but the PDF structure and heuristics indicate malicious intent.

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://baarspo.ru/strik?utm_term=honda+gx340+11+hp+service+manual PDF link annotation
    • http://gogogoinst.xyz/what_is_a_half_human_half_horse_called34wg8.pdfIn PDF document text
    • http://onlineeshop24.xyz/juvabisikiwaxtalec.pdfIn PDF document text
    • http://fezaxodutujeju.22web.org/performance_appraisal_sample.pdfIn PDF document text
    • http://naxifobekip.22web.org/16238066524.pdfIn PDF document text
    • http://resimpub.com/blank_white_tee_shirt_templaterjfml.pdfIn PDF document text
    • http://tekdouche.xyz/dudipamelugsonbb.pdfIn PDF document text
    • http://silikidabog.22web.org/45510687778.pdfIn PDF document text
    • http://pixelbarista.com/pikuxoxitkff4s.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kazigolukujo.epizy.com/dowry_prohibition_act_in_telugu.pdfIn PDF document text
    • https://s3.amazonaws.com/bifadiwuwileji/adverb_adjective_collocations_list.pdfIn PDF document text
    • https://s3.amazonaws.com/lijopavexanuse/frontline_commando_for_pc_free.pdfIn PDF document text
    • https://s3.amazonaws.com/ladojenefe/43904717354.pdfIn PDF document text
    • http://godavuvexo.epizy.com/kindle_fire_apps_free_for_pc.pdfIn PDF document text
    • http://tutukadunigufo.epizy.com/pdf_to_word_converter_free_download_adobe.pdfIn PDF document text
    • https://s3.amazonaws.com/dogazisuze/45287645184.pdfIn PDF document text
    • http://levologujarobe.rf.gd/karezeruvimifoxilerera.pdfIn PDF document text
    • https://s3.amazonaws.com/gimisorixosu/roxadonelepeda.pdfIn PDF document text
    • http://fuvulubele.epizy.com/does_babylon_still_exist_today.pdfIn PDF document text
    • https://s3.amazonaws.com/mujevubutukoxu/geserodaxefunisugiziza.pdfIn PDF document text
    • https://s3.amazonaws.com/bejenosugede/bluetooth_pc_installer_free.pdfIn PDF document text
    • https://s3.amazonaws.com/pujirageg/rousseau_social_contract_theory.pdfIn PDF document text
    • https://s3.amazonaws.com/zoluwivebiro/jibifepakarikixana.pdfIn PDF document text
    • https://s3.amazonaws.com/zemunomipazikez/zaluvegudujugoraka.pdfIn PDF document text
    • https://s3.amazonaws.com/dexodekelaseki/jigagebupilitegoxadituxib.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_off0000ebb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBB3 6024 bytes
SHA-256: 8bc6625cc2dd8a7323bab4b4ed6fc9083b6545032e9d5bac52156c03ab2d0a1f
font_01_sfnt_off00010018.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10018 10988 bytes
SHA-256: 4b18799c384bd723ec7a87afe5a77cd8382f039509f21116c10c9d6626afba21

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