Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe9e1a90abc2bcd2…

MALICIOUS

PDF

70.2 KB Created: 2021-03-05 03:16:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 9813eef8a1af156053de61f8e3520a8a SHA-1: 4e9289f85df3f2b80139bea021ae422e61ee33d1 SHA-256: fe9e1a90abc2bcd26bd12567e87ba3fa58abee2118885f988946fe88e66410e6
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://nipisod.ru/wix?keyword=ge+adora+dishwasher+not+draining PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4407069/normal_5fdfd4a4a973a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477147/normal_601ebb951a054.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4444358/normal_5fcbb3708428c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393018/normal_603f59caae61c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412584/normal_5fc5f31a854b8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4405194/normal_5fde15484d2a0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403814/normal_5fde5c8ac4ccf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416932/normal_5fca7c40d701d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369659/normal_6019105db8192.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4499660/normal_6028fd0591053.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/9c7aaa87-4dd0-47bf-a984-03d275675919/68847497777.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c1461817-117d-4a7f-820d-ae8398c1d922/71673142518.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/99b85e3a-d0c0-4271-b6e0-2ad69d57382b/16283716191.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3b16b919-0a51-4efc-8f37-0751238a699b/suwarisikagesuxas.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/515be112-a93f-4176-957c-0f9ecf80237f/davis_drug_guide_for_nurses_14th_edition.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ad7bb8ee-9da0-4dc2-9865-58720ba8b103/87257603079.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d71fa4fb-6fcc-4735-9480-f133dfc6914e/71316943070.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e118f4e6-0b4f-4add-a22b-aac42f0f66c8/critical_thinking_books_in_urdu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c7ad69eb-a890-4807-ad0d-da542aeba5d1/how_much_is_yamaha_r6.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/686713db-4398-49ad-9b38-b43636ef4df3/zusugawupaguval.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/72090f03-24d5-4320-96b6-7a31dde06a58/old_wooden_doll_houses_for_sale.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/83090fa0-5ceb-48ab-8c2e-fdc85969a46a/theories_of_communication_slideshare.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_off0000d75b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD75B 5176 bytes
SHA-256: 7588be3e79b574f6f677956f82a2f51b89d766bde80dcdc42db65034d7813f47
font_01_sfnt_off0000e905.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE905 10076 bytes
SHA-256: aef874a20ad4f9d41cb6f7545535cbace8ba6ea2b164c41fce4ded7f3dd402c1

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