Malicious PDF — malware analysis report

Static analysis result for SHA-256 4af67f16c3e238e7…

MALICIOUS

PDF

37.6 KB Created: 2020-10-16 12:18:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 34d93f964dc9626974b77dc22c931f9e SHA-1: 4f9e7ec30e13a524e9cab7f6083c68015f35dd70 SHA-256: 4af67f16c3e238e70a8f411a0aace410bbcec262020fe7c79c4e74215e633f77
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=maxi+cosi+magellan+max+instruction+manual In PDF document text
    • https://vozutadisifik.weebly.com/uploads/1/3/1/4/131483249/magusewuk.pdfIn PDF document text
    • https://sesuwulot.weebly.com/uploads/1/3/1/4/131438847/7302827.pdfIn PDF document text
    • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/laresisif_kigadebokenub_bajutinerid.pdfIn PDF document text
    • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/godekux.pdfIn PDF document text
    • https://tavumake.weebly.com/uploads/1/3/2/7/132740551/dotiravufarad-tikomixeboluxal-lapav.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366402/normal_5f8872aba5464.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372376/normal_5f888e1177e0c.pdfIn PDF document text
    • https://gukaguse.weebly.com/uploads/1/3/1/3/131398473/minanazusowofaxu.pdfIn PDF document text
    • https://sibakixode.weebly.com/uploads/1/3/2/8/132814768/671e2e5e0646791.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/ceb4488c-04f4-4404-b730-2dc1d8dc91fd/mupukutizomotisabupexipe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a94c8131-0d55-4b5e-842a-eff699654df4/33191416424.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d68127d2-0c93-4ef8-bfc8-cae51af95cfe/xixubetukuz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1889e4e5-419c-4bea-9530-fed9a34e918b/63086704654.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/def66d5e-a321-4343-9e43-7b31531497a9/39904646185.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3da0c9f2-7c10-45f4-833d-f795300031f8/barigopula.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6e67c399-f442-4bf4-acec-f868c14cda30/40204190705.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/73b9edb6-efc7-403a-8ae6-3450e0f0b717/8700818407.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/115761ec-58e9-4d3e-b024-504e1ea59d90/rovedarizomodezigidufez.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/95472c6d-4fea-43b6-8282-d13fc8c10ba4/kokoxapopipa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/546d3e74-66a3-439c-8a33-1a4154ddb5b7/jagewuduburafit.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000056fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56FD 5192 bytes
SHA-256: da4201f9dd11b07131641a4432ea0241b068fd523c2777f11d4f2382fe0dfcae
font_01_sfnt_off00006895.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6895 9564 bytes
SHA-256: 05aaa25d4fc16c1ab33692171abca015c1f3c724a83f724b549cc2e97cb4b55f

Open this report in the interactive analyzer, or submit your own file for analysis.