Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ebeae6f3dc3dad3…

MALICIOUS

PDF

40.8 KB Created: 2020-08-07 05:35:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 52f7aae66cd39cd3429aedc144964a96 SHA-1: 84f6e710ce01ac4f63ee9875a63be7346ce44bff SHA-256: 6ebeae6f3dc3dad37e6cc3cb01a06aa7815a5910c1b31ebff4452f739226e261
194 Risk Score

Malware Insights

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

The PDF contains a link farm and redirects to a known malicious URL, indicating a phishing or scam attempt. The ML classifier strongly supports maliciousness. The embedded URLs and the document body suggest a lure to trick users into clicking the malicious link, likely for credential harvesting or malware distribution.

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.cc/wb?keyword=cuidados%20de%20enfermeria%20en%20pacientes%20con%20gastrostomia%20pdf In PDF document text
    • http://files.haralsoncountyhistory.com/uploads/1/3/0/7/130738984/xelekomib.pdfIn PDF document text
    • http://midepomum.steppingstoneshypnosis.com/uploads/1/3/1/6/131606289/1152496.pdfIn PDF document text
    • http://files.donnawickham.com/uploads/1/3/1/4/131482941/jesubidam.pdfIn PDF document text
    • http://files.exsightventures.com/uploads/1/3/1/3/131384573/7689922.pdfIn PDF document text
    • http://files.westminsterconcrete.org/uploads/1/3/1/4/131408432/mevokimekituwup-rufiw-butifu-konam.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/1/0429/6635/2025/files/42234375526.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8039/1585/files/after_action_review_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lufixupiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7739/4847/files/70829504352.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0016/8597/files/43313817815.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8060/5077/files/waybill_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lexopiwalosadatijasaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9691/4600/files/didumavuduzesejawazelet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1218/4474/files/buletogefugomonefopafo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7240/6179/files/virananukolebawazinidid.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_off00005df6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DF6 5348 bytes
SHA-256: 451eb79b5ee4cfce1372f5728be7f1dd109c99f42467acd4f4b4fb212abb3122
font_01_sfnt_off0000700e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x700E 11064 bytes
SHA-256: 0acc226e5a6bf256510a4e3868720f5fbe366f562dbf7755e3310ae0b3d8d76c

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