Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4fe6ed22a9266aa…

MALICIOUS

PDF

54.0 KB Created: 2020-10-28 22:05:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-07-01
MD5: 981432b3a85f3c5549c6d08d74ea835e SHA-1: 83a087691a4795b5fd4366bccf9b9e23d098560c SHA-256: a4fe6ed22a9266aaceee75d011a81ffae344e27d6afa6fdb30922f4c6f364345
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://cctraff.ru/123?keyword=evh+slip-on+sneakers In PDF document text
    • https://pavowojavujide.weebly.com/uploads/1/3/1/3/131398322/3393008.pdfIn PDF document text
    • https://ruvazokof.weebly.com/uploads/1/3/4/0/134040659/bapevedolom-vatiwuxisuxenar.pdfIn PDF document text
    • https://walijogopabo.weebly.com/uploads/1/3/0/7/130776167/tunavefupurufi.pdfIn PDF document text
    • https://naxedomabaxa.weebly.com/uploads/1/3/1/6/131606472/21e0c5f32f7a2f.pdfIn PDF document text
    • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/sixukejomiwewanage.pdfIn PDF document text
    • https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/movew.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000865d.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000865d.bin)
    • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000bb59.bin)
    • https://uploads.strikinglycdn.com/files/7fafd8fe-e599-4e77-8fb7-1467507aee0f/58541973423.pdfIn PDF document text
    • https://s3.amazonaws.com/gezejoputiwinu/hardwired_meredith_wild.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2ce30e81-c308-40f8-954d-9f374d057100/99885792722.pdfIn PDF document text
    • https://s3.amazonaws.com/vifusupegiza/crazy_gnarls_barkley_chords.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/57a6373a-2b79-4a8f-9c30-78878f6b4ca6/35531077596.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a6047c7b-2cae-4040-befd-4cd80b3ab127/exercicios_de_quadrilateros_8_ano_resolvidos.pdfIn PDF document text
    • https://s3.amazonaws.com/divexikav/define_average_cost.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/57a82c50-ab5f-4641-9fbd-f38dd77c0ab2/dictionary_of_symbols_chevalier.pdfIn PDF document text
    • https://s3.amazonaws.com/mizeteb/legendary_game_of_heroes_cheats_2020.pdfIn PDF document text
    • https://s3.amazonaws.com/vukusa/medulusejuzitodovafevu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cddaead3-731a-4ac6-a626-59cff65e5c26/rixavuzigivuxa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3ada76e0-93a0-4316-847a-1e082bf6a1b4/wipetivulujezupibu.pdfIn PDF document text
    • https://s3.amazonaws.com/regovadeje/wujogebobolekebifenefagut.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6e6857ce-82e0-4168-a10b-76da9ec1fa95/king_600_trumpet_serial_numbers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f8c64597-9159-4ca5-9f0d-5cae13de5a46/43619768321.pdfIn PDF document text
    • https://s3.amazonaws.com/sezebepit/dish_network_vip222k_wiring_diagram.pdfIn PDF document text
    • https://s3.amazonaws.com/viboxikuz/65455149594.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 extracted file (font_00_sfnt_off0000865d.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000865d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x865D 4728 bytes
SHA-256: 2a5c1a26ea7cda8ef54940298434adc112133bde1ac32a8fe54c7a4b0cc4c8c0
font_01_sfnt_off00009656.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9656 10852 bytes
SHA-256: b1838a5dbc14416e1fb9752fd6a56b73490fea5bb58ed8dbbdb8a9184b9d4323
font_02_sfnt_off0000bb59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBB59 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176