MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating that it links to known malicious infrastructure. The document body text and embedded URLs suggest a lure to download content, specifically mentioning 'adele 25 album'. The primary malicious URL is https://ttraff.ru/pify?keyword=download+adele+25+album, which is likely used to redirect the user to a malicious payload. The PDF_SEO_LINK_FARM heuristic also indicates a large number of outbound links, many hosted on cdn.shopify.com, suggesting a link farm used for SEO poisoning or to obscure the final malicious destination.
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=download+adele+25+album In PDF document text
- http://files.tributegiftsgp.com/uploads/1/3/1/0/131071063/1060799.pdfIn PDF document text
- http://files.mindbusterstrivia.com/uploads/1/3/1/8/131857920/7697937.pdfIn PDF document text
- http://files.barriointellect.com/uploads/1/3/2/7/132740321/104c7d.pdfIn PDF document text
- http://files.ivazullo.com/uploads/1/3/2/6/132682076/jelepimijinuwa.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/1/0433/7932/7126/files/kixugoroboretimisetex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5699/6260/files/pidezu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3328/8088/files/61959603219.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6967/6451/files/92125874917.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4953/3088/files/kidinaresafabenofefevisuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3188/8035/files/64236844107.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8909/8907/files/zezurodikabukitenap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/94323725826.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1126/5944/files/65352167712.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8846/2495/files/28491232737.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0820/4704/files/36122193245.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2110/5309/files/kufapuseb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2741/4696/files/61674730077.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5205/6227/files/komawodivavo.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_off00005ec8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EC8 | 5184 bytes |
SHA-256: f1c375c983927b6acc0d4c887a2f68823169bd07eecd7887fb90c97270e42768 |
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font_01_sfnt_off0000707a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x707A | 10140 bytes |
SHA-256: cb8ea9ba52b2cf89f1dbe69e15c109a3a67314089a8a0d142a8c05285344dfb4 |
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