Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e8ab7f8bd593d09…

MALICIOUS

PDF

71.2 KB Created: 2021-03-09 00:41:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 44fc2c3745fe5e290f5b09de3c8b4008 SHA-1: eebcb26225e48e29f84339493e451d2e3b8c1698 SHA-256: 8e8ab7f8bd593d091c5293e52308659d4f4124bbaad545b105693fc358c1bb68
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://lozipotod.ru/wix?keyword=konica+minolta+bizhub+c220+manual PDF link annotation
    • https://monowulesamewul.weebly.com/uploads/1/3/2/6/132682048/risomod-gamimevo.pdfIn PDF document text
    • http://wumijodurixemi.22web.org/cnn_entertainment_reporter_salary.pdfIn PDF document text
    • https://figusemaf.weebly.com/uploads/1/3/2/6/132682639/buwavolizokelu.pdfIn PDF document text
    • http://suziterunedoloj.sportsontheweb.net/goxevipuvafanitidaguwuve.pdfIn PDF document text
    • https://nudadisaxoge.weebly.com/uploads/1/3/4/0/134018155/piwukifubix_wivufafu.pdfIn PDF document text
    • https://sedawuxel.weebly.com/uploads/1/3/5/3/135326539/455513ef56b0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://gujimosodaza.myartsonline.com/friday_night_lights_chapter_3_and_4_summary.pdfIn PDF document text
    • https://s3.amazonaws.com/bufipevuril/azar_vip_apk_ios.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/013e56ee-38c5-4a2a-8eaf-bc74a1d0ebef/naxonewujed.pdfIn PDF document text
    • https://s3.amazonaws.com/jevedijadiki/hiragana_practice_sheet_free.pdfIn PDF document text
    • http://futoxivugumerav.epizy.com/neet_2020_form_pg.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5ebaafcb-e435-45fe-8974-47804db64032/nipivuwabonodoxikefapi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/78efc53f-c0c8-4d2a-9bde-ffb8da79bea5/38772677418.pdfIn PDF document text
    • https://s3.amazonaws.com/xenavuxa/angaraka_runa_vimochana_stotram_in_telugu.pdfIn PDF document text
    • http://xezipunefosipu.epizy.com/wukadorotuxetoxasekipu.pdfIn PDF document text
    • http://bawilifugoxak.epizy.com/pathophysiology_of_cirrhosis.pdfIn PDF document text
    • http://pukafenofi.epizy.com/51073244757.pdfIn PDF document text
    • https://s3.amazonaws.com/tokafanawa/livibebasovokegunusi.pdfIn PDF document text
    • http://fipokaf.epizy.com/armor_of_god.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ce4d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE4D 3724 bytes
SHA-256: 59701ab6f1a8c012dd8ec870d317e4651c2abf9fe53e1fa5cdcb5946a55c7908
font_01_sfnt_off0000db8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB8A 5196 bytes
SHA-256: 1ba3265207af8100df50659b412b529b21e0ba600a7eb3f770789fafcb3b8ca8
font_02_sfnt_off0000ed21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED21 9984 bytes
SHA-256: 5a4b49a1687905dc6ebaebd7c827f9fd429f4f606635913e2818bb9f74b13802

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