Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c7323ba7d349074…

MALICIOUS

PDF

129.7 KB Created: 2021-04-17 05:43:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 75b5308bceff0c55bf99b00adcb467ef SHA-1: 71b8a90bc5c09496ec3c871ef572ca28c5fa79bd SHA-256: 7c7323ba7d3490746dcdc808954a5ba629909b37547d80960155cc7cec77da68
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 0.9988

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://dugedepap.ru/strik?utm_term=libro+de+hermeneutica PDF link annotation
    • http://niburufajanuto.sportsontheweb.net/64329105257.pdfIn PDF document text
    • http://mufadetajamojo.iblogger.org/lalaxumawatofezasezi.pdfIn PDF document text
    • http://jiwapadenejeza.getenjoyment.net/5644826541.pdfIn PDF document text
    • http://liketime.online/grundig_s450dlx_wont_turn_onsbldp.pdfIn PDF document text
    • http://dalnoboyi.xyz/64013250057i12c3.pdfIn PDF document text
    • http://jixewelo.scienceontheweb.net/cetoprofeno_gotas_medley_bula.pdfIn PDF document text
    • https://mozufakumijisa.weebly.com/uploads/1/3/5/3/135333945/a509130.pdfIn PDF document text
    • http://zarabotok.space/tewepujivijizagpi5z.pdfIn PDF document text
    • https://pamezupiv.weebly.com/uploads/1/3/0/7/130775156/3ca7c7d96f5.pdfIn PDF document text
    • https://tenasedoba.weebly.com/uploads/1/3/4/3/134333827/6177323.pdfIn PDF document text
    • https://loguxofe.weebly.com/uploads/1/3/0/7/130775118/f45091bfa49d68.pdfIn PDF document text
    • https://pujakopevu.weebly.com/uploads/1/3/2/6/132682627/5ee3e4bac28e22.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/sabobenuwe/84453965217.pdfIn PDF document text
    • http://xogijowag.onlinewebshop.net/bosekujumolokatubot.pdfIn PDF document text
    • https://s3.amazonaws.com/paxivogedewilu/passive_voice_simple_past_tense_worksheet.pdfIn PDF document text
    • http://voturugivorajop.onlinewebshop.net/meteorological_satellites.pdfIn PDF document text
    • https://s3.amazonaws.com/zasepo/48743369914.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7f49fd0d-5a3c-4698-be04-65148718f43e/ncert_english_grammar_book_class_5.pdfIn PDF document text
    • https://s3.amazonaws.com/ditiruz/why_is_my_polaroid_tv_not_turning_on.pdfIn PDF document text
    • http://pivirujifija.epizy.com/talorebixevuwege.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/80bbdfb0-6000-4d8c-bce6-e9e6eb955252/lizejabilekefutunam.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7eb89358-e642-4f95-904b-18dd3e129ab5/50203717407.pdfIn PDF document text
    • https://s3.amazonaws.com/bolovopizonuki/81789085711.pdfIn PDF document text
    • http://gumigojozupe.epizy.com/georgia_power_bill_template.pdfIn PDF document text
    • http://legabukev.epizy.com/winekiwutov.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000199fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x199FE 5048 bytes
SHA-256: f2efc45124ee078066ba0fd1a8dd106013fbeaa3f302eee5151bfcd9b8e82c0f
font_01_sfnt_off0001aafa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1AAFA 17488 bytes
SHA-256: 19850f92cb1021e9d8d62edcdabf330b39b0aec42d4a91919deacdac1d2c17c6
font_02_sfnt_off0001e073.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1E073 16452 bytes
SHA-256: aa51163359159a66f93d9d13bb5de1016a2aff42b491b6752e184a76070f3970

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