Malicious PDF — malware analysis report

Static analysis result for SHA-256 56050a92fd7e95e0…

MALICIOUS

PDF

41.8 KB Created: 2020-11-09 12:42:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23
MD5: 5b61fcc99ce21760476f9d3fca84427c SHA-1: adc1ab828e363c6b15256d74e988bc09c2a6f7c9 SHA-256: 56050a92fd7e95e0d01628055e3d1bfb83744a040e3478e674fe76d49ea550bf
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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://trafffe.ru/123?keyword=epidemic+lyrics+polo+g PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4379231/normal_5f9cc480396a3.pdfIn PDF document text
    • https://nirotobilimob.weebly.com/uploads/1/3/4/4/134484477/zinexiledejuv.pdfIn PDF document text
    • https://kiseridebajesa.weebly.com/uploads/1/3/1/4/131408791/sipasolekudozovuxib.pdfIn PDF document text
    • https://wekowegalovu.weebly.com/uploads/1/3/4/6/134668649/rodexakigosozeb.pdfIn PDF document text
    • https://tirawinuzupufe.weebly.com/uploads/1/3/4/4/134445233/xebotito.pdfIn PDF document text
    • https://nugekepujipa.weebly.com/uploads/1/3/4/3/134318644/59144a22ac39d9.pdfIn PDF document text
    • https://zefufewik.weebly.com/uploads/1/3/4/3/134374544/0d79875.pdfIn PDF document text
    • https://gabejopow.weebly.com/uploads/1/3/4/5/134597712/510d1fd81b4c67.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458615/normal_5fa725485af9b.pdfIn PDF document text
    • https://fikazimibugexu.weebly.com/uploads/1/3/4/5/134515259/jasuvemirutida.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381735/normal_5f8b66b0c2c4a.pdfIn PDF document text
    • https://manabaxijex.weebly.com/uploads/1/3/4/6/134626004/772b78ce9b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369190/normal_5f9a171d72233.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://uploads.strikinglycdn.com/files/1e012ae0-2354-4f35-a4ab-61d9b82cc0e2/o_evangelho_por_emmanuel_cartas_de_paulo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7f9ac5de-77d8-4e0f-aff0-6683004e67ad/zojilozegebunape.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_off00005a86.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A86 4844 bytes
SHA-256: 6389f878082ba21865b715966b5325c218717b38869cd65ceb9a6704c5b3a5e4
font_01_sfnt_off00006b00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B00 9720 bytes
SHA-256: b90b057df459ef9f87cb9bac526eb273abaf5812aba0585653f96ded892991fa
font_02_sfnt_off00008c3a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C3A 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

Open this report in the interactive analyzer, or submit your own file for analysis.