Malicious PDF — malware analysis report

Static analysis result for SHA-256 4792989e8e9076f1…

MALICIOUS

PDF

47.5 KB Created: 2020-10-16 03:59:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: d0ca8fc71c6138a3131c104dc723b879 SHA-1: 53e2e19c200fc04ea4830f2b84f81d0e5d392bfb SHA-256: 4792989e8e9076f1d3c95fb7fed5efe94773bdaefaf90e1b7dbd6746e9afcfef
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://ttraff.club/pify?keyword=premarital+counseling+training+pdf In PDF document text
    • https://rolosakuzorega.weebly.com/uploads/1/3/1/3/131379035/2128388.pdfIn PDF document text
    • https://tajurasexir.weebly.com/uploads/1/3/1/6/131606020/rovepu_danod_muburukupe.pdfIn PDF document text
    • https://punadojum.weebly.com/uploads/1/3/2/6/132680976/xuxaposofa.pdfIn PDF document text
    • https://site-1039668.mozfiles.com/files/1039668/1416801588.pdfIn PDF document text
    • https://site-1042348.mozfiles.com/files/1042348/67167830630.pdfIn PDF document text
    • https://kupugaxome.weebly.com/uploads/1/3/0/9/130969415/rozav_tapojox_wefuwolav.pdfIn PDF document text
    • https://jonukejunuxesa.weebly.com/uploads/1/3/1/4/131409236/5854702.pdfIn PDF document text
    • https://fimozafovobas.weebly.com/uploads/1/3/2/7/132741130/4528003.pdfIn PDF document text
    • https://netulomite.weebly.com/uploads/1/3/2/8/132814473/wapojeditowudakeror.pdfIn PDF document text
    • https://vawotitalu.weebly.com/uploads/1/3/2/7/132710714/2332972.pdfIn PDF document text
    • https://nukevokisoget.weebly.com/uploads/1/3/2/7/132711970/regamafizesoxidiwed.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/503f276d-3910-4f15-aef1-19124228427c/77952978197.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/449b51ae-7696-483b-8a2f-af4dfa4d16e8/88338257591.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f30e34e0-1cbb-4a65-b9b2-d6d68cfc921a/pizagotakidikisiwoz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/44d17774-e2f1-41b8-bb8a-59042a74b9ff/larajutadurirotub.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cb0db3ac-52db-4e72-8725-f2f179f61754/zusolik.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/50aa9f38-06a5-47f5-9a97-524cf8030db1/14999082071.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/90768605-ec0e-400e-b17a-8fa0530e995a/gumeposatavagizag.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f0e11d83-9745-4862-bf6d-d1cab89b33f9/xixubufumaxunafesirijes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ca2e30e1-9ca6-4374-abfa-cdd4771c5c18/99277591445.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_off00007c11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C11 5476 bytes
SHA-256: c9482b69758d09d2506c969ce247e8a499e67ed203f5a68190a4e52490ee781f
font_01_sfnt_off00008e8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E8E 9876 bytes
SHA-256: 416b929f817f14ca60c6c0e2753906c35cb3b73cf4d794ddbf86ee9b8a2538aa

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