Malicious PDF — malware analysis report

Static analysis result for SHA-256 69ca5d72ae1cf828…

MALICIOUS

PDF

56.2 KB Created: 2020-10-15 10:59:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 1cc288c848e0cc1104923d55ac52bc74 SHA-1: 3b8a594f6fe0e95656cf82ccd7b30672f3f1a590 SHA-256: 69ca5d72ae1cf8281c67770462b4f74011a833447821e12c06405150a8433355
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://cctraff.ru/123?keyword=don+quijote+dela+mancha+espa%25C3%25B1ol+actual+pdf In PDF document text
    • https://site-1043260.mozfiles.com/files/1043260/gusiwazepavajujeki.pdfIn PDF document text
    • https://site-1039886.mozfiles.com/files/1039886/ludareratudufedamatikup.pdfIn PDF document text
    • https://site-1039570.mozfiles.com/files/1039570/16758543231.pdfIn PDF document text
    • https://site-1041770.mozfiles.com/files/1041770/sijolanijixidebozabusebe.pdfIn PDF document text
    • https://site-1037010.mozfiles.com/files/1037010/3872172024.pdfIn PDF document text
    • https://site-1042788.mozfiles.com/files/1042788/gogikerozotowopapotep.pdfIn PDF document text
    • https://site-1039965.mozfiles.com/files/1039965/table_of_contents_worksheet_for_3rd_grade.pdfIn PDF document text
    • https://welofubevi.weebly.com/uploads/1/3/1/8/131856084/c6d7a4f7b729537.pdfIn PDF document text
    • https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/kaduparaje.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/cf852fc0-afaa-4546-807c-6ab35d21bb6d/tusuxupibijuzetekiva.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/98a9b25d-8fdc-4391-b8f9-b65b9ea80b83/kadoxu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8f458c81-0fd9-4a56-a225-06b4132e833a/26018682664.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/655a193b-85fd-4e39-abfd-2290b8b09d40/siwutalujamebifanilisaxe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/471ee6d7-6a64-40b8-80d1-abde2222ae83/44401454476.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0478/9809/9878/files/barbie_life_in_the_dreamhouse_raquelle_voice_actor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0492/4784/6556/files/bazosadabolewemodojuwoku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0503/1834/4350/files/libro_ortografia_de_la_lengua_espaola.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7112/7206/files/lucas_2_cpr_compression_assist_device.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1678/0951/files/gta_4_apk_and_data_highly_compressed.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

Related samples 1

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000073bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73BC 3724 bytes
SHA-256: acbea21cca9e2125c978230c1195a647d348a086f7647dde0ecf8ff719b6a5dd
font_01_sfnt_off000080f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80F9 5592 bytes
SHA-256: 032e2fa7aeacc7d2635cf03a9551eebd633159714e62221d3f545b5839471e64
font_02_sfnt_off00009396.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9396 15324 bytes
SHA-256: 3d3cf3bf481cb734df78553aa27c7d943b3b9da44ce5fe83d5cdebc546454ca3
font_03_sfnt_off0000c25e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC25E 4324 bytes
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230

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