MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
The PDF file exhibits characteristics of a link farm or SEO manipulation, with numerous embedded links pointing to external PDF files. One of these links, https://ttraff.ru/pify?keyword=calidad+y+equidad+educativa+pdf, is identified as a known malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The document body appears to be heavily obfuscated or corrupted, preventing a clear understanding of its intended lure.
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.ru/pify?keyword=calidad+y+equidad+educativa+pdf In PDF document text
- http://tirakukev.nuwage.net/uploads/1/3/1/3/131381464/dupasugefevubeb.pdfIn PDF document text
- http://files.willdabeastmusic.com/uploads/1/3/0/8/130814680/niruvixedekiguxet.pdfIn PDF document text
- http://kuxuri.noahguystaffing.com/uploads/1/3/1/3/131398455/xisugawizixelogisema.pdfIn PDF document text
- http://files.goldentreasureretrievers.com/uploads/1/3/1/3/131398252/2918990.pdfIn PDF document text
- http://files.jeanisaacson.com/uploads/1/3/1/3/131381363/jiruj_motov.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/1/0432/1535/6067/files/fazik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4494/5571/files/speer_reloading_manual_14_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/7122/1410/files/tablas_de_multiplicar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8331/6891/files/4874394650.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9648/8613/files/86782390789.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9440/0414/files/programming_the_world_wide_web.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/34944916832.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6241/1942/files/70957209591.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5307/8933/files/patikizosigotuwuzolazijej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2469/4942/files/67790048216.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3730/2679/files/gapirebir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6816/9121/files/28999812017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mirizopenifipometetotagoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8607/8369/files/emerging_trends_in_human_resource_management.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_off00007f1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F1F | 5068 bytes |
SHA-256: b0a876e357c2c40c11cada93a81bc44634350cb954c4add746691fdbe53aa393 |
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font_01_sfnt_off00009081.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9081 | 11552 bytes |
SHA-256: 234e7b7b0299eb85e13725040d15d5410bdf44101b5312a6a6d764dac53a9651 |
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