MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector infrastructure associated with malicious activity. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM indicate a link farm designed to distribute malicious content. While no scripts were extracted, the embedded URLs and the ML classifier strongly suggest a malicious intent to redirect users to harmful sites.
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.cc/wb?keyword=algorithm%20development%20in%20c%20pdf In PDF document text
- http://files.stdavidscranbury.com/uploads/1/3/2/7/132740620/6fbc1549a.pdfIn PDF document text
- http://files.iluvmyhairbysonia.com/uploads/1/3/1/3/131398515/284492.pdfIn PDF document text
- http://files.berendesteam.com/uploads/1/3/1/1/131164572/lapote_gazob_renobon_gugariweg.pdfIn PDF document text
- http://files.physicstrialtestteam.com.au/uploads/1/3/0/7/130776714/2900394.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/1/0432/0801/6027/files/mamumubukasasirenagotufu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4295/4661/files/46226605981.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5453/8658/files/19740840945.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4456/9242/files/91740261405.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99839510681.pdfIn PDF document text
- https://xiletemud.files.wordpress.com/2020/06/selefoz.pdfIn PDF document text
- https://vumarebef.files.wordpress.com/2020/06/rivetikajaliretosut.pdfIn PDF document text
- https://rekaxetif.files.wordpress.com/2020/06/67286976193.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6187/7665/files/diwufadewevapusago.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3495/9256/files/3920733971.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4228/3432/files/47374024061.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2821/8010/files/gexoriferididi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8043/3302/files/rimapi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8904/4383/files/fivogupujifijororoje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8282/5371/files/zoxelupuvukonuzedibosunak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9937/4233/files/28033156864.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0328/1571/files/roxuxigowawerapigigol.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_off0000834e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x834E | 5020 bytes |
SHA-256: a170da4476a6ef514fe1e7437ad340619e33f25be40696f43d296889a07735e1 |
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font_01_sfnt_off00009440.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9440 | 12436 bytes |
SHA-256: 30dfed75723d8a74cc38aa4366541dcaab5180b8a9c982f21c2d32357bb82cbb |
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