Malicious PDF — malware analysis report

Static analysis result for SHA-256 56011d20e0d7b603…

MALICIOUS

PDF

72.5 KB Created: 2021-03-06 19:41:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 5fef1bb5ab09493e3504eb3dd2a8aac6 SHA-1: 47b04510b805161ea8f9b3b8bce0f7dc13445e39 SHA-256: 56011d20e0d7b603701d12f531346f22eb4a73607024a2697c6dc263e97d74c6
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://xezojetit.ru/wix?keyword=nissan+quest+2007+service+manual PDF link annotation
    • https://xopadubimedo.weebly.com/uploads/1/3/4/8/134858850/mipujuvukozaba-jivoduvebi-kotuf-zorepekozenit.pdfIn PDF document text
    • https://gapojusegora.weebly.com/uploads/1/3/1/4/131408170/9be235d.pdfIn PDF document text
    • https://sadebisoj.weebly.com/uploads/1/3/2/3/132302749/0102182e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489414/normal_5fdea10f9b2f2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365621/normal_6036bca566020.pdfIn PDF document text
    • https://xumotisububilup.weebly.com/uploads/1/3/4/5/134591263/moxazesuju.pdfIn PDF document text
    • https://tufakuxumiwe.weebly.com/uploads/1/3/1/4/131454237/e8970178b.pdfIn PDF document text
    • https://jewutejaj.weebly.com/uploads/1/3/1/0/131070173/302023.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/81497fa0-dcab-4490-884f-86e3bfd3b674/tabla_de_aniones_y_cationes_con_formula.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bb9943e6-6873-4af1-981d-e87b38f3faaa/how_to_post_a_video_on_facebook_without_getting_copyrighted.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/13512a1c-2e58-40c6-a672-74d155d76513/vurovobe.pdfIn PDF document text
    • https://ed4d48c2-14ea-47f5-a89a-b82193587323.filesusr.com/ugd/8ce377_ba57f2437acb44ca90d766b7149eff37.pdf?index=trueIn PDF document text
    • https://07d68bf2-0661-47e2-9ffe-eae068a071af.filesusr.com/ugd/fef806_ee43346d12fa49c195f5f8d601e3d7fb.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/6b13bb3e-00f1-4c75-bb43-25768d878ca5/ergobaby_omni_360_mesh_black_friday.pdfIn PDF document text
    • https://3437305d-a3f4-4f94-9a63-846dd410f5be.filesusr.com/ugd/ffe76b_8fa9488a9b2741b4be73b43596296986.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/bf3c2c7e-2939-47c0-9a63-fdcffd845fa0/91_s10_blazer_radio_wiring_diagram.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6b81aa47-0e9a-4fef-bb56-95758b4fb085/char_broil_grill_grate_cleaning.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_off0000dfed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFED 5452 bytes
SHA-256: 78de92e3fedd427fca82d2af468798c2a390469c39d2268b6aff637318c3fcdb
font_01_sfnt_off0000f27b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF27B 10184 bytes
SHA-256: 18673decc354283df2227ff7e0bcd5e31733a391a29dffcf3b7e60a3d92aef72

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