MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, including one pointing to a known malicious redirector. The document body, though partially obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=aprendizaje+cooperativo+libros+pdf' which is flagged as a malicious redirector. This suggests the document is part of a phishing campaign aiming to redirect users to malicious sites, likely for credential harvesting or malware distribution.
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/pify?keyword=aprendizaje+cooperativo+libros+pdf In PDF document text
- http://files.bluecrushvolleyballclub.com/uploads/1/3/1/4/131453100/dokugaboruluz_runizarijuxekuk_funakelenev_loweti.pdfIn PDF document text
- http://wulunew.eandrewmurrayphotography.com/uploads/1/3/0/7/130775850/1557476.pdfIn PDF document text
- http://files.rockridgewoods.com/uploads/1/3/0/8/130814209/25359a83991.pdfIn PDF document text
- http://files.athenscountystorage.com/uploads/1/3/0/7/130775511/jaxugokeba-loket.pdfIn PDF document text
- http://rojam.czsworld.com/uploads/1/3/2/8/132814930/wexavupiwu-bopajuk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0431/0636/9703/files/cbr_1000_repsol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5373/6351/files/65226021574.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0637/7633/files/tegikotimorubosixokod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5934/7618/files/ludaxagegilof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8523/3304/files/tuligaworelogupun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5475/9069/files/60073986621.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6045/2760/files/15565476423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5847/0816/files/badezokejo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1451/9973/files/rifatopezodarasar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5298/0641/files/34595549462.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3815/4653/files/71877722393.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0427/8422/files/19132574455.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/momox.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000482a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x482A | 5252 bytes |
SHA-256: a29446890cf9743ea46e85e866f8795fa363983f1ba821e8ce5f6c3bab742aa0 |
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font_01_sfnt_off00005a0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A0D | 9508 bytes |
SHA-256: 168916c7d614ffbf3a6727775bbefd4e3d8ebd28936bb786108b6ab39768263e |
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font_02_sfnt_off000078ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78CA | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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