Malicious PDF — malware analysis report

Static analysis result for SHA-256 e01a9f9c1136aace…

MALICIOUS

PDF

44.2 KB Created: 2020-08-14 14:24:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6f3294738139d710b4c866df195c9fd4 SHA-1: efa139bf3f36c753b5baef01b45d2f73c420553f SHA-256: e01a9f9c1136aace7d7e8bfec6ea8aa64c46c77e3e31da431cf657e3723d8b78
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link disguised as a climate change report, which redirects to malicious infrastructure. The PDF also contains a large number of external links, many hosted on Shopify, suggesting a link farm for SEO manipulation or to obscure the final malicious destination. No scripts were extracted, and the document body is heavily obfuscated, limiting further analysis of the payload.

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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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.ru/pify?keyword=informe+sobre+cambio+climatico+onu In PDF document text
    • http://files.equivistacoaching.com/uploads/1/3/0/7/130739368/ninitejamapefabatota.pdfIn PDF document text
    • http://jeruke.lilcreates.com/uploads/1/3/2/8/132814930/tamovi.pdfIn PDF document text
    • http://munijoj.justicecollaborativeatcornell.com/uploads/1/3/2/3/132303382/nomes.pdfIn PDF document text
    • http://files.maraudersfootball.net/uploads/1/3/1/4/131452771/2307763.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5669/3397/files/gubodof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6949/5710/files/kuwokijoler.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4087/4408/files/virinafelowe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7571/4715/files/act_overlay_not_showing.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1402/8444/files/aspern_papers_henry_james.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/7485095273.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5582/3525/files/96819910603.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7154/6279/files/luvavude.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4446/0951/files/57812808914.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54729765263.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7388/0739/files/tokafumejifiwuxogawizota.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0491/2031/files/pisufababejela.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0705/7825/files/seletefamomobo.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_off00006c65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C65 5104 bytes
SHA-256: 229670cbaf0fb3d528a8e1b5cdb34439479116ebdb8a7c40c45cb56828aa7603
font_01_sfnt_off00007da1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DA1 11340 bytes
SHA-256: 313c911256860439975e6daa2093ea122a0a365885436940cdff5f76fb1defc8

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