Malicious PDF — malware analysis report

Static analysis result for SHA-256 62eebd7cecde09f3…

MALICIOUS

PDF

53.1 KB Created: 2020-10-16 07:08:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: a8239f6e2baf77c05d8288f1da4252d8 SHA-1: eac5117f83cd66306c4199be772b6de3babc0fa9 SHA-256: 62eebd7cecde09f360ec22436c2d96368ef24dfa54b09915bad16f5532b56f9f
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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 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://gettraff.ru/pify?keyword=android+auto+mercedes+e+class+2020 In PDF document text
    • https://cdn-cms.f-static.net/uploads/4373527/normal_5f88b97490153.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373304/normal_5f88b99050d9a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366321/normal_5f87be5b4369d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366633/normal_5f87e59f71740.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365655/normal_5f874b6f97a9f.pdfIn PDF document text
    • https://site-1039828.mozfiles.com/files/1039828/wikix.pdfIn PDF document text
    • https://site-1037132.mozfiles.com/files/1037132/15056046728.pdfIn PDF document text
    • https://nanorobudilason.weebly.com/uploads/1/3/0/7/130775181/7756668.pdfIn PDF document text
    • https://rabugotekinevod.weebly.com/uploads/1/3/1/8/131871666/gumudokawi.pdfIn PDF document text
    • https://ridolagu.weebly.com/uploads/1/3/0/7/130775195/diren.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0497/1275/8963/files/varokewilisila.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0498/4494/5051/files/wovedelikopitenoberovuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0324/7781/files/kavepafitesorito.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8863/2224/files/chandamama_stories_in_english_videos.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4ee4a457-1f7d-4388-ba95-fc3aa4644085/numugomizuxubo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7c02fca7-8cd9-49e2-ae57-696742ec3261/zinepesuwegudazomurusede.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/39cf5c53-7741-4b2c-9905-ef2d0bb986ad/wugokexabatakov.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/da3357ea-6d3e-4c5c-ab33-ae2815d5f680/sufodopenonis.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/84e6b6bb-ac84-459a-8508-8b6a927f368b/wepigezikugakojem.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b24a4ebd-31ff-46dc-9683-1b96a404b14a/daxusapidasu.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_off00007c52.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C52 5232 bytes
SHA-256: 0898bc791319884e0bb7e725c716bd17fc8d21bc010f24e379c4c04020ef51aa
font_01_sfnt_off00008df2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DF2 13576 bytes
SHA-256: d2f507076b30e215609659a812a6d5e5e56bf5ae98292dd8a0ae02d36ac3e3de
font_02_sfnt_off0000b8b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB8B3 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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