MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF file contains numerous embedded links designed to redirect users to external websites, a common tactic for SEO-based link farms and malicious redirection. The primary malicious link identified is https://ttraff.com/wb?keyword=factorising%20differentiated%20worksheet%20tes. No scripts were extracted from this sample, limiting the analysis of direct payload execution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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.com/wb?keyword=factorising%20differentiated%20worksheet%20tes In PDF document text
- http://files.ukaydeoro.com/uploads/1/3/0/7/130740458/ponuzizajaxowukosa.pdfIn PDF document text
- http://files.anthonybosman.com/uploads/1/3/0/7/130775033/60be438e5717ded.pdfIn PDF document text
- http://files.lwordstory.com/uploads/1/3/1/8/131856306/7815133.pdfIn PDF document text
- http://files.hbsubculture.com/uploads/1/3/0/7/130738621/6284164.pdfIn PDF document text
- http://files.g6equip.com/uploads/1/3/0/7/130775111/lifuvanu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://nofezurisitu.files.wordpress.com/2020/06/texapu.pdfIn PDF document text
- https://sazubafuzute.files.wordpress.com/2020/06/napetefod.pdfIn PDF document text
- https://zuzelerebola.files.wordpress.com/2020/06/vobekakewoxotusepubew.pdfIn PDF document text
- https://punokupitud.files.wordpress.com/2020/06/61913016199.pdfIn PDF document text
- https://levasese.files.wordpress.com/2020/07/10462708227.pdfIn PDF document text
- https://dufepenal.files.wordpress.com/2020/06/vofiwaferirejir.pdfIn PDF document text
- https://mobulafa.files.wordpress.com/2020/07/takevodudal.pdfIn PDF document text
- https://luxijulakur.files.wordpress.com/2020/07/82403702026.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5286/7494/files/lowakomawe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1602/8309/files/74133651458.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4314/4359/files/vobuwufoninagukeselugal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4031/7335/files/nusumelajutagapuwuvu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8239/1451/files/fetusekafukana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9005/1221/files/26333275359.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32600433864.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7759/1449/files/tedafu.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005a47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A47 | 5152 bytes |
SHA-256: 64c18f47c357429028ca1314fe3db6237302514debf8f4292dfec00df142722a |
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font_01_sfnt_off00006bd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BD4 | 9308 bytes |
SHA-256: ba06740fbf09e76a27c7131f7e7db1beb64862022a5e3ba89682aa2cc1fa50ae |
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