Malicious PDF — malware analysis report

Static analysis result for SHA-256 6aab1d1dbdfeddc0…

MALICIOUS

PDF

47.7 KB Created: 2020-10-09 02:11:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 0173ee99c11bc4038db04be13d7a6930 SHA-1: ad710cdd783278006e62c366bc530fdc465fd440 SHA-256: 6aab1d1dbdfeddc0220b9bbf56070d2b9319baa81bb23f9240ca1f8de72c7d99
224 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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://cctraff.ru/strik?keyword=binding+of+isaac+unblocked+download In PDF document text
    • https://site-1038924.mozfiles.com/files/1038924/33595882490.pdfIn PDF document text
    • https://site-1043833.mozfiles.com/files/1043833/fuwezodixamotipisi.pdfIn PDF document text
    • https://site-1042545.mozfiles.com/files/1042545/42671213002.pdfIn PDF document text
    • https://site-1042452.mozfiles.com/files/1042452/rufavusokorujufaverik.pdfIn PDF document text
    • https://site-1036799.mozfiles.com/files/1036799/97366063584.pdfIn PDF document text
    • http://files.edgesanddreams.com/uploads/1/3/2/8/132814664/mejinopowexoroj-bikunug-xalokiror-sewugaliwakixi.pdfIn PDF document text
    • http://files.hvshops.net/uploads/1/3/1/3/131398308/bubevuro.pdfIn PDF document text
    • http://bevotuked.nubim.net/uploads/1/3/0/7/130739726/9142050.pdfIn PDF document text
    • http://files.leabusewingcenter.com/uploads/1/3/1/6/131606291/5c1102c469.pdfIn PDF document text
    • https://site-1036814.mozfiles.com/files/1036814/13965972243.pdfIn PDF document text
    • https://site-1036902.mozfiles.com/files/1036902/70520391148.pdfIn PDF document text
    • https://site-1036851.mozfiles.com/files/1036851/dedagorewumadaxopipok.pdfIn PDF document text
    • https://site-1044117.mozfiles.com/files/1044117/kogifixopivofi.pdfIn PDF document text
    • https://site-1037018.mozfiles.com/files/1037018/werajemaji.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/54363c61-018c-42ad-9707-7e568ae37711/pebefube.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a48d6ec5-6ddc-491f-84a9-7f60c7f00453/fopojubuzunu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a75f54ef-44a3-4bee-aead-9b64cae8e197/82222541900.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7ad51724-f36e-4ce0-92da-95e5733bc67c/82367992702.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0bfd9022-06d1-4857-9c26-1def0aa46f77/jobifewa.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_off000070ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70EA 5440 bytes
SHA-256: bb32bc6a184d6b16f9449a6f941ffbf20965974aef6062ca90bb7a1b4d9ca736
font_01_sfnt_off000083a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83A1 14888 bytes
SHA-256: fccfe0621261bbc10ec506a010cbb2a136d1550cf0c52082de94d4c23b690c4a

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