Malicious PDF — malware analysis report

Static analysis result for SHA-256 be06b2ef48fed63c…

MALICIOUS

PDF

85.0 KB Created: 2021-04-15 23:37:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: b9b714b789086eb4df67149e5b316eed SHA-1: b200ae938c2ad28f473ae559b18586c014eb5034 SHA-256: be06b2ef48fed63c18336d0ff42579282fcb8b605aec04ad13e48c78bb80017e
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://druttle.ru/strik?utm_term=what+is+the+advantage+of+inbreeding+in+cattle PDF link annotation
    • http://pimesizawox.sportsontheweb.net/best_articles_in_english_newspaper.pdfIn PDF document text
    • http://lopitimew.mygamesonline.org/56160437723.pdfIn PDF document text
    • http://busimaderule.mywebcommunity.org/tilanulod.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/d1509663-0a13-4778-a8f8-1471103de6e8/7201407040.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8f35f10d-624d-429e-a925-14a3510b7624/charlie_and_the_chocolate_factory_original_cast_recording.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8c23d4c2-d377-4057-b606-83b1407b4a4f/mekipelibafurulivu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/31f4572e-e22a-48af-b891-5e62f34aa979/zifugo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/81d152bc-1a74-47f5-883f-ce62b293789b/prayer_rain_january_2020.pdfIn PDF document text
    • http://vuxebezedigelun.onlinewebshop.net/tesis_de_administracion_de_empresas_unam.pdfIn PDF document text
    • https://s3.amazonaws.com/xonobijikivo/58287306034.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/32148f5f-2a40-43f9-ac38-e06f76fec05b/74442572727.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ccaa3feb-062d-480c-96aa-5f6a9ce483ea/20464604312.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a07b39bf-8ede-47f6-ba46-8f491ea8a1fb/64402285065.pdfIn PDF document text
    • https://s3.amazonaws.com/fokapikow/chanel_ballerina_flats_size_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d3de83f-bf7d-4403-94f6-0211d6aad549/64710211824.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d8ed4e78-d271-40d8-8da2-8f360baf578c/fopodokabinisepotirow.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fa148b28-7bfa-4209-9d48-a60b8dbb0771/62055951199.pdfIn PDF document text
    • https://s3.amazonaws.com/dusined/adverb_clause_worksheet_for_grade_5.pdfIn PDF document text
    • https://s3.amazonaws.com/damerirazib/jerizonofomiwisegolidud.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c5166400-f937-4be0-9e80-4247c55252c7/48095881306.pdfIn PDF document text
    • https://s3.amazonaws.com/ginutu/63611147878.pdfIn PDF document text
    • https://s3.amazonaws.com/fexuror/canada_visa_form_5257_b.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2e2cfd2d-d61e-4676-9d9e-7e253bf7c143/lg_inverter_air_conditioner_remote_control_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/senodiw/85166248398.pdfIn PDF document text
    • https://s3.amazonaws.com/xebuvuwov/13026897725.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_off00010d37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D37 5496 bytes
SHA-256: 486a3a3640d801b2471fc896d9d242fc462871854303c0668850601901502f18
font_01_sfnt_off00011ff9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11FF9 11032 bytes
SHA-256: 8a048c843f63e03ca8de9dddd315a4c22b9106e1caf0be3578827990e85bc5ff

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