Malicious PDF — malware analysis report

Static analysis result for SHA-256 d494a59335ceda82…

MALICIOUS

PDF

59.0 KB Created: 2020-04-10 07:47:43 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-05-08
MD5: 83a0100abd7c7c4faad0721d8d936f1f SHA-1: a45a7faacbfd56456690b3b2c73a613d6ed76c59 SHA-256: d494a59335ceda82b1c528ea844902205b1c77affa3b8d52bbdccf98282b8c37
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The heuristic PDF_SEO_LINK_FARM specifically indicates a link farm, suggesting a non-benign purpose. The document body contains text related to a 'well being center', which may be a lure to disguise the malicious intent. No scripts were extracted, limiting the ability to determine further payload delivery or execution methods.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://burleypta.org/uploads/1/3/1/4/131437380/131437380.html#the+well+being+center+mount+dora+fl PDF link annotation
    • http://allisonottley.com/uploads/1/3/0/7/130776607/jidesut.pdfIn PDF document text
    • http://simply-beautiful-online.com/uploads/1/3/1/3/131380999/foxavusugo.pdfIn PDF document text
    • http://highheartglobal.com/uploads/1/3/0/6/130620594/8131423.pdfIn PDF document text
    • http://independentcountrymusichalloffame.com/uploads/1/3/0/5/130589216/benebawotadutefajew.pdfIn PDF document text
    • http://thebusinessbrunch.org/uploads/1/3/0/4/130436439/vabekik.pdfIn PDF document text
    • http://airmanua.com/uploads/1/3/0/5/130588304/fitimajeridemer.pdfIn PDF document text
    • http://dennisgshoemaker.com/uploads/1/3/1/4/131406930/1898990.pdfIn PDF document text
    • http://livingchildinc.com/uploads/1/3/0/6/130620625/5fc0cad692469ed.pdfIn PDF document text
    • http://derivekc.com/uploads/1/3/0/6/130639462/7088534.pdfIn PDF document text
    • http://tayaray.com/uploads/1/3/0/6/130620979/fobenerawi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009dc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9DC6 9120 bytes
SHA-256: 247c94c589d8c807c40282450bed07c185470051747d9a3c8dd80c34fdb15904
font_01_sfnt_off0000c07a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC07A 2648 bytes
SHA-256: 2c32c498f23db3cae400dac070c72b38d41a5d5dbe5041cbe08e7cee44e1acfd
font_02_sfnt_off0000c9ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC9CA 16036 bytes
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63

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