Malicious PDF — malware analysis report

Static analysis result for SHA-256 72534132012a7cfe…

MALICIOUS

PDF

48.2 KB Created: 2020-10-25 16:42:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-12-26
MD5: 06499bb7b5cc28b15ab8439423b4e051 SHA-1: 34484cbb35eb69c48ebbd28ead54c3b091e39182 SHA-256: 72534132012a7cfece5e5c990c334b8676eeda85fc39f64d9a38050eec670009
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/aws?keyword=sample+business+plan+pdf+restaurant In PDF document text
    • https://vozutadisifik.weebly.com/uploads/1/3/1/4/131483249/buxakevinil-leponibexemak-repoxilevaxu.pdfIn PDF document text
    • https://kafaziwe.weebly.com/uploads/1/3/1/0/131070109/zomileselonojuzo.pdfIn PDF document text
    • https://forovaze.weebly.com/uploads/1/3/4/3/134315943/bafukamesonez.pdfIn PDF document text
    • https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/af3d723e1d.pdfIn PDF document text
    • https://zuxizakubapepo.weebly.com/uploads/1/3/4/3/134317428/f67026b64.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367911/normal_5f888f09caa4b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367621/normal_5f879b18e53e8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372696/normal_5f9238abd1eee.pdfIn PDF document text
    • https://jiwadurator.weebly.com/uploads/1/3/0/7/130776405/gozudefosilupotam.pdfIn PDF document text
    • https://femekeviwafuga.weebly.com/uploads/1/3/4/3/134345727/cbc6514405.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007bd2.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007bd2.bin)
    • https://uploads.strikinglycdn.com/files/4511855a-1a57-4585-93d8-cc99da8c9ea1/davabividajuvalojakira.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/40d747d1-fa0e-42e5-8009-59ae8dd03184/pokemon_insurgence_online.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cd8b8514-1339-4fd2-9792-abd30c4c1b44/85492925631.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d741c907-ad0a-42a2-a1fb-496b85761bbd/tufeteroxotiwuf.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/adc6408d-6ac1-4fe3-8b74-374b530ef80f/begipumowazon.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3e87fbb8-f7f6-45f9-b064-47e65f60c0c1/when_a_man_loves_a_woman_movie_cast.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e25597ff-b1b2-4198-861d-92397a155f59/42424021681.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/acef9c4b-4fda-4c55-822e-376314a7ddc3/oso_ted_pelicula_completa_espaol_la.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/942d434b-fd3a-4257-9d51-6fe518d0666e/59959745761.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bfdc5789-7632-4a62-bc80-3cbbdb75f43f/66654923259.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0491/8414/5574/files/52343938559.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0492/0236/4579/files/54572917141.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/9552/3227/files/34256773882.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0497/2612/8289/files/hp_elitebook_folio_9480m_battery.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0485/7403/8176/files/adamant_dragons_guide.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_off00007bd2.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007bd2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BD2 5428 bytes
SHA-256: 0e9e608c91593d86cc405b45a652945583e321db3bb97a22a1fb378429b0f1df
font_01_sfnt_off00008e23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E23 10828 bytes
SHA-256: 0f3266d25414fb64a87832dca9ea91dd14cd901b7e140cdef9cc4f8b95baf0ed