MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to redirector infrastructure, specifically identified as a malicious redirector and an SEO link farm. The primary redirector URL is `https://ttraff.cc/wb?keyword=anticorpi%20monoclonali%20in%20oncologia%20pdf`, which is used in conjunction with image lures. This indicates an attempt to drive traffic to malicious content, likely for phishing or malware distribution, disguised as a legitimate document. The ML classifier strongly supports the malicious nature of this PDF.
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=anticorpi%20monoclonali%20in%20oncologia%20pdf In PDF document text
- http://files.essentialdance.co.uk/uploads/1/3/1/4/131454950/8615878.pdfIn PDF document text
- http://files.twisterchasers.com/uploads/1/3/1/3/131398010/3b160c.pdfIn PDF document text
- http://files.stephaniesmithshowdogleads.com/uploads/1/3/1/6/131606349/008a386e8fa8be.pdfIn PDF document text
- http://files.acromios.eu/uploads/1/3/1/8/131872032/a7f6ac.pdfIn PDF document text
- http://files.rodneyhartman.com/uploads/1/3/1/4/131437107/nawufefi.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/1/0430/6924/3549/files/rerawedi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9506/4733/files/16798295868.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3015/0309/files/41750468304.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0177/4233/files/rafux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/voxetevew.pdfIn PDF document text
- https://medidiri.files.wordpress.com/2020/07/69694124406.pdfIn PDF document text
- https://bewisati.files.wordpress.com/2020/06/27056281600.pdfIn PDF document text
- https://jiwawivop.files.wordpress.com/2020/06/96809574500.pdfIn PDF document text
- https://jevezuvexog.files.wordpress.com/2020/07/piforug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9137/8854/files/40794755426.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/rerexufaroruzotus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6470/4662/files/ferakozapitezederif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1137/5267/files/12090497955.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3760/5544/files/26488870828.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/16175378270.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3882/6918/files/kilisigobazidijarova.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_off000082bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82BC | 4956 bytes |
SHA-256: 85d246d866a17168e562f3dab0fbf6e20a50051eada9d4a5a44330520e471309 |
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font_01_sfnt_off00009369.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9369 | 11164 bytes |
SHA-256: b5a219faf541ab6c1aaedbe97706a4052d773b1177d7158c90b2777216df22c6 |
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