MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL identified is https://ttraff.cc/pify?keyword=baixar+pdf+24+free, which is likely used to redirect the user to a malicious site. The document body also contains this URL and other PDF links, suggesting a link farm or redirection scheme to distribute malware or phishing content.
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=baixar+pdf+24+free In PDF document text
- http://zikizuvi.hope.cr/uploads/1/3/2/6/132682565/lepejaxinoka_wemasot.pdfIn PDF document text
- http://files.preservehealthcentre.com/uploads/1/3/0/7/130776088/dd3a6ea47a.pdfIn PDF document text
- http://files.viewfromtheoutfield.com/uploads/1/3/1/8/131871462/dosojunajux.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/1/0428/3439/5295/files/9943192650.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9711/2219/files/parujinofivafami.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1386/4604/files/57168192009.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0361/6165/files/polar_coordinates_and_rectangular_coordinates.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2690/6264/files/dogegizanuvojelagagas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5827/5238/files/56912938362.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6378/6137/files/kamawe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0360/8216/files/33925007585.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1542/1600/files/airline_breathing_apparatus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8553/7175/files/gotizosuwofirigibedubodo.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004777.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4777 | 5120 bytes |
SHA-256: c36d9d45c3f248aa9555a6627eef2e4156dd265e798cea518ea08b4e8a97dbb3 |
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font_01_sfnt_off00005936.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5936 | 4652 bytes |
SHA-256: 5b486e36f3347e563016c4dbd2dd26991a993ad4d6330f2a708065daaae3909e |
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font_02_sfnt_off00006919.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6919 | 10560 bytes |
SHA-256: 8526500c98b69345909e9f50e942f809fb36abacc2526a2bdb0845be8483268f |
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font_03_sfnt_off00008d35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D35 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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