MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links pointing to other PDF files hosted on various domains, constituting a link farm. One of these links redirects to a known malicious URL, ttraff.cc, indicating a potential phishing or malware distribution attempt. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector and link farm.
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=milliseconds+in+an+hour In PDF document text
- http://files.thegoldenruleboutique.com/uploads/1/3/1/3/131398019/45a71fb64b9c9e.pdfIn PDF document text
- http://files.chefmercogliano.com/uploads/1/3/1/0/131070331/vevakepobefuwol_wemuw_kozuxomozoja.pdfIn PDF document text
- http://files.straymongrel.com/uploads/1/3/1/8/131871894/4cc60b638a0f8e.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/1/0429/2296/7207/files/61934601788.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0781/8398/files/94410649314.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0198/6723/files/13994601633.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2400/6823/files/28606621326.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dojedeteremedadedarovir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3713/0914/files/82315962459.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5466/0758/files/kanejopefizi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5102/3510/files/tupiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2161/5775/files/pozepatikupuru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5742/2229/files/58393111201.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4275/7029/files/zunaxusutajedubuzenu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6702/2239/files/mebifenadidezosef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1270/1860/files/15661115956.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005af1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AF1 | 5032 bytes |
SHA-256: 2b1e6cb1e8d9a913c4d78c2070477af4402f6bd10a91ab1dfe9ab3f026c05778 |
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font_01_sfnt_off00006c0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C0C | 9948 bytes |
SHA-256: eaca1f4708234b6fe11e636fda89eb39ce464be2949677d31e9e03e609ae1ed4 |
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font_02_sfnt_off00008e10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E10 | 16216 bytes |
SHA-256: 9aaf374d64521945a2d179b3de22a0ad451813c1e8d23897d9514ef9876b453b |
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