Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fe43dc28d0a70fa…

MALICIOUS

PDF

43.6 KB Created: 2020-10-17 16:50:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: eb931806319a3cc56829c2fa40089b9b SHA-1: 6882a81ff60cadfb8502b59bbca4abaddfed4c70 SHA-256: 6fe43dc28d0a70fadab113d105853fbc4ebe95920be70e171b45293d8cbb277b
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://ggtraff.ru/123?keyword=descargar+apk+para+hackear+juegos+android In PDF document text
    • https://cdn-cms.f-static.net/uploads/4366050/normal_5f870a436aa34.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370785/normal_5f89395ab041e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366036/normal_5f8a15bdc9a2e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368962/normal_5f885e035ccec.pdfIn PDF document text
    • https://vopevejefed.weebly.com/uploads/1/3/1/6/131606133/jilakimagib-nenosi-bofuzinawi-kiwodifizuke.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372080/normal_5f8a585289a19.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365600/normal_5f8755028d25d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365628/normal_5f8903cf82b51.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368952/normal_5f8a584cdd511.pdfIn PDF document text
    • https://legadiduzavof.weebly.com/uploads/1/3/2/6/132681829/0d27c0f21f710e.pdfIn PDF document text
    • https://wefolukozik.weebly.com/uploads/1/3/1/4/131406413/ba1c8.pdfIn PDF document text
    • https://viweposedijul.weebly.com/uploads/1/3/1/0/131070314/rakariz-tesamodoluzara-rurefef.pdfIn PDF document text
    • https://xodetawutal.weebly.com/uploads/1/3/0/7/130774968/8286090.pdfIn PDF document text
    • https://fomomeku.weebly.com/uploads/1/3/2/7/132712435/8ffbca7.pdfIn PDF document text
    • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/lukuxaluk.pdfIn PDF document text
    • https://jasazifo.weebly.com/uploads/1/3/1/4/131437377/mabutesa.pdfIn PDF document text
    • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/199877.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8777/4367/files/wikalewegop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0476/4068/files/sazixuzumawe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3551/5290/files/zifinokamotoxaxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0498/0853/9802/files/31396916313.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4374/1083/files/50th_anniversary_speech_for_parents_in_hindi.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 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006960.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6960 5444 bytes
SHA-256: 57e6c67446bcbbad925414faa550a0621860834eb675f6a8cd03f37be1c4a0a7
font_01_sfnt_off00007bdf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BDF 10804 bytes
SHA-256: 5bc03f531ae741b3f6906caec8c69f3bc386eed3ff1a08f1c88dfff27fd1e224

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