Malicious PDF — malware analysis report

Static analysis result for SHA-256 588ab768aad676ec…

MALICIOUS

PDF

40.9 KB Created: 2020-11-06 05:44:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2022-06-20
MD5: 96b9003d9e6c50a9740faf37858569a8 SHA-1: e6a04cf03937cfd72bc546fe0526579e7e35f05e SHA-256: 588ab768aad676ec246870b776e3795538c317ad78ca0f2f070869da3432f9c9
184 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://traffking.ru/strik?keyword=lyrics+abraham+martin+and+john+dion In PDF document text
    • https://worozimovazez.weebly.com/uploads/1/3/1/4/131406108/sumulumeb.pdfIn PDF document text
    • https://zakiguranul.weebly.com/uploads/1/3/4/4/134480990/mogopuxepikuzotu.pdfIn PDF document text
    • https://jesasifewom.weebly.com/uploads/1/3/1/4/131453969/zitilumonofev.pdfIn PDF document text
    • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/zosuv-radigo-dusezozexavogab.pdfIn PDF document text
    • https://kokexofagisukop.weebly.com/uploads/1/3/2/7/132710589/ruwitawogo_rusajexedav_lusepapa_takibikezuro.pdfIn PDF document text
    • https://zelezolure.weebly.com/uploads/1/3/4/3/134315846/xepijarewamemim.pdfIn PDF document text
    • https://rugazodexozapef.weebly.com/uploads/1/3/4/4/134480570/2228029.pdfIn PDF document text
    • https://pupogonixim.weebly.com/uploads/1/3/4/3/134318621/7184616.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/e45f640d-7f82-4a64-aa51-6f4850a0016f/5x5_workout_program.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/51ce1d21-97a2-449f-a007-79563e77cdf2/pewugileg.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d506b5b7-765b-4423-a597-e51b0064aaf8/40024438128.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a3b68950-cec0-44fb-97c8-13a2a48eb812/mudelavulula.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_off00005ff5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FF5 5408 bytes
SHA-256: b4c2525c38b2ed1db43ffe8e0917c08588d05839de44ac72c981564341e07caf
font_01_sfnt_off00007238.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7238 10644 bytes
SHA-256: f17dfaa04eb4c1246a07600f04a8089d149b608d4d0985fb010be3418eac817c

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