Malicious PDF — malware analysis report

Static analysis result for SHA-256 17ead962d0df604f…

MALICIOUS

PDF

108.7 KB Created: 2020-04-25 07:33:48 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-05-07
MD5: 046994bc81f7b36e060f9e025fab2cd4 SHA-1: b792ae8fda8682f8c2525700adf4f31e82bcf4f8 SHA-256: 17ead962d0df604fe16826ad9f54b2d6ed630c9ed5d1bb9bb0aa34ae52020bac
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a large number of external links, many of which point to other PDF files with numeric slugs, indicating a link farm for SEO poisoning. The document body, though heavily obfuscated, contains a URL that appears to be a lure related to a popular song. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious SEO poisoning or phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://stokesed508webpage.com/uploads/1/3/0/5/130543168/130543168.html#adele+rolling+in+the+deep+song PDF link annotation
    • http://unameitembroideryandvinyl.com/uploads/1/3/1/4/131453679/sotudujeje.pdfIn PDF document text
    • http://h2oostelbeers.nl/uploads/1/3/1/6/131606818/acd0f92d162.pdfIn PDF document text
    • http://imogenoreilly.com/uploads/1/3/0/5/130588589/3799441.pdfIn PDF document text
    • http://diamondplateguitarparts.com/uploads/1/3/0/7/130740297/wopurevezo-posafiwet-kanorigarujaru-fekuk.pdfIn PDF document text
    • http://mytexascleaning.com/uploads/1/3/0/5/130550994/2232177.pdfIn PDF document text
    • http://santafestages.com/uploads/1/3/0/6/130621831/3923337.pdfIn PDF document text
    • http://titanicsecurity.org/uploads/1/3/1/3/131384058/pilunanejiraxum.pdfIn PDF document text
    • http://roboroughrecreationhall.com/uploads/1/3/0/2/130270953/4540107.pdfIn PDF document text
    • http://earthfirstorganic.com/uploads/1/3/0/6/130639875/6b037d217a.pdfIn PDF document text
    • http://smashcancerfgc.com/uploads/1/3/0/7/130738796/9882180.pdfIn PDF document text
    • http://kellyllee.info/uploads/1/3/0/6/130621089/memomed.pdfIn PDF document text
    • http://bestkidsmentoring.org/uploads/1/3/0/6/130639309/risijuvaxipisokoj.pdfIn PDF document text
    • http://leahestes.com/uploads/1/3/0/6/130604536/9ee01.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
    • http://www.adobe.com/).NotoIn PDF document text
    • http://www.google.com/get/noto/http://www.adobe.com/type/ThisIn PDF document text
    • http://scripts.sil.org/OFLNotoIn 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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000141f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x141F3 11712 bytes
SHA-256: c7614371563930431fe8b2fa317e52fc901729f7ceb042f950d61944e2835104
font_01_sfnt_off00016832.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16832 8932 bytes
SHA-256: 71a0473b6f6d6c68d87a8d7a9e33ec27db27ad4a3be0713d22f148bd665f04ba
font_02_sfnt_off000185a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x185A3 3080 bytes
SHA-256: 15f611af601793809e4d97e2d909cda1ad2b2829f8937a8dbd81b65c3bb0ab51
font_03_sfnt_off000190ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x190AE 16120 bytes
SHA-256: 0d355b956a9dff8708fe1b1ecbbec6815800202606c49a7e1bd1898687aadaa0

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