Malicious PDF — malware analysis report

Static analysis result for SHA-256 8fe6f25fe4e1d300…

MALICIOUS

PDF

50.0 KB Created: 2020-03-08 10:10:38 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-05-08
MD5: 42aa84fb9c174052a2709d5b21973d28 SHA-1: 33b37f0a3630800c59764ac5f74e2834986bce67 SHA-256: 8fe6f25fe4e1d300e0500683cd993dff70b5e2e5e90468b95b216a4f290dfaf6
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded external links, characteristic of a link farm designed to distribute traffic or host malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, with 'quantumtaoist.com' being a dominant host. No scripts were extracted, and the document body is heavily obfuscated, making it difficult to determine the exact nature of the linked content. However, the sheer volume of links suggests a malicious intent to redirect users to potentially harmful sites.

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://lindholm-family.rominastiebenphotography.com/uploads/1/3/0/2/130291874/130291874.html#actionscript+2.0+animate+cc PDF link annotation
    • http://quantumtaoist.com/uploads/1/3/0/5/130543074/5eccf46cf.pdfIn PDF document text
    • http://leadworxltd.com/uploads/1/3/0/2/130273982/9968781.pdfIn PDF document text
    • http://the-hungry-chef.com/uploads/1/3/0/6/130620642/relazuvusawen-wodotidugologo-kevupeviz.pdfIn PDF document text
    • http://resealstone.com.au/uploads/1/3/0/8/130874565/c924d614.pdfIn PDF document text
    • http://www.hurleysrebels.com/uploads/1/3/0/7/130739938/5845451.pdfIn PDF document text
    • http://myketoquest.com/uploads/1/3/0/4/130483394/7355e467f86c.pdfIn PDF document text
    • http://ethreemotors.com/uploads/1/3/0/5/130539696/rakitiki_sibut_pawejeva_bobajafoj.pdfIn PDF document text
    • http://www.natashawheinz.com/uploads/1/3/0/6/130620274/3731336.pdfIn PDF document text
    • http://www.le-manuel-du-tage-post-bac.fr/uploads/1/3/0/6/130604188/08bfe23.pdfIn PDF document text
    • http://boshuster.com/uploads/1/3/0/5/130539837/jexorovurifinuvew.pdfIn PDF document text
    • http://prodiagno.com/uploads/1/3/0/2/130273987/3892937.pdfIn PDF document text
    • http://reidenterprisesllc.org/uploads/1/3/0/7/130776023/towibu_tabip_lubezeketuso.pdfIn PDF document text
    • http://khaliafrazier.com/uploads/1/3/0/5/130539800/rezoralepi-dasikom.pdfIn PDF document text
    • http://edsoncustomcruisers.com/uploads/1/3/0/8/130814238/b85d2cd684fd304.pdfIn PDF document text
    • http://natashacorriephotography.com/uploads/1/3/0/4/130435592/lavigeg.pdfIn PDF document text
    • http://furnitruesoon.com/uploads/1/3/0/5/130550817/dbde5689.pdfIn PDF document text
    • http://kavid.ca/uploads/1/3/0/6/130605036/259df6d58.pdfIn PDF document text
    • http://wildywell.com/uploads/1/3/0/8/130813546/b90abf82.pdfIn PDF document text
    • http://blueseasmarinesurveys.com/uploads/1/3/0/4/130488691/dexopavuru.pdfIn PDF document text
    • http://www.fastsecurity.eu/uploads/1/3/0/2/130289346/dodimokibugofu.pdfIn PDF document text
    • http://luckyfoxstudio.com/uploads/1/3/0/7/130775743/be8b0.pdfIn PDF document text
    • http://brenshawmedicalrecruitment.com/uploads/1/3/0/6/130604632/mazobolusasikir.pdfIn PDF document text
    • http://clicktolookinside.live/uploads/1/3/0/5/130589348/7ef6aa53.pdfIn PDF document text
    • http://www.methodistmissionary.com/uploads/1/3/0/6/130604392/9138231.pdfIn PDF document text
    • http://targetedcopywriting.com/uploads/1/3/0/4/130435807/pevorijuri.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

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_off00009168.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9168 8108 bytes
SHA-256: db5f72b978ae88c574894dd13e329e2e647feb6f941b9e009ec0e01ddde81d00
font_01_sfnt_off0000b0f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB0F9 2600 bytes
SHA-256: 41d5c9cb4d60b7530e3cfd93a78efd430fe179aa57a8296e74fb8a971da4b0ee

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