Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd2001e94282e27e…

MALICIOUS

PDF

45.6 KB Created: 2020-10-05 01:58:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: 214a107bd0652efff18fe20e291419f1 SHA-1: 3e364cb8fed88bfb56052692def1aca4396a3623 SHA-256: dd2001e94282e27e6ea4ed42c5bae1aee3ec59f42149c0b9dbecbeff1eec4db9
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/strik?keyword=mantenimiento+a+mi+laptop In PDF document text
    • http://gorap.camilleprzewodek.com/uploads/1/3/1/1/131164250/bf16fe85c85fd3.pdfIn PDF document text
    • http://wilodaka.jcinspiredworks.com/uploads/1/3/1/4/131409090/2518129.pdfIn PDF document text
    • http://files.georgiatoons.com/uploads/1/3/0/8/130874031/1ec35.pdfIn PDF document text
    • http://xaguduz.gianlucastradiotto.com/uploads/1/3/2/6/132682883/bizaladob-lajugezujux.pdfIn PDF document text
    • http://files.thefitandtone.com/uploads/1/3/1/3/131383514/7c5ba1a423.pdfIn PDF document text
    • http://lulisaba.bfgcommercial.com/uploads/1/3/1/0/131070581/9603751.pdfIn PDF document text
    • http://vanuzow.insighttoteenculture.com/uploads/1/3/0/8/130814328/lamokobekad-mivomudetes-revizu.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/e6f19cd5-2b71-407c-8275-b7b17c14077e/jibupugederubotusofas.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2883662d-a0fb-4a8e-8b01-00c4564a0786/30282837723.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dc74a7fe-757d-44d3-8777-9fe1323e8708/7824741146.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b06dd123-1553-4854-b5a7-321be55e1a1f/zufax.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9e64d059-c15e-48e8-a3cc-a99114a34c32/90040889719.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3276/3801/files/nmos_vs_pmos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0501/6394/1541/files/lesson_3-2_practice_b_multiplying_polynomials_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2331/6630/files/babejovagejojizoreb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7078/2614/files/pearson_precalculus_6th_edition_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2784/7576/files/fikuson.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 2

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_off0000733a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x733A 4696 bytes
SHA-256: ca80c8e0b7be64b18d25317fd768b8fee9c017a06d98000e8fed240387ee9613
font_01_sfnt_off0000832f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x832F 11292 bytes
SHA-256: 4c07a735e727ba12b4328e4efdddf283826c883fa381038d02897ecbd2a5b43f

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