MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with one prominent link designed to appear as a Tchaikovsky Swan Lake piano PDF. This link redirects to malicious infrastructure, indicating a phishing or redirection attempt. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to lead users to harmful 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.ru/pify?keyword=tchaikovsky+swan+lake+piano+pdf In PDF document text
- http://jusuloli.sivitgear.com/uploads/1/3/1/3/131379578/zuguwijalet_vuvelof.pdfIn PDF document text
- http://files.saludabaptist.org/uploads/1/3/1/4/131453245/nukuxa_domidafawaza_kabanemoz_mukategalapu.pdfIn PDF document text
- http://files.greenworldwriting.com/uploads/1/3/1/0/131070089/1544683.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/1/0433/6526/9669/files/jakij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4302/8120/files/refizuxobusitozajafavas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5564/3809/files/7444974021.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6429/4557/files/navamemaburo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2465/4241/files/ford_535_backhoe_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3975/8235/files/xovafexide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7631/2478/files/duterajulibubevisewamizir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4790/1592/files/jizesujegajobagij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8353/9366/files/99_names_of_allah_in_tamil_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8316/0995/files/82412877570.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8148/2919/files/vajivezogesen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6725/1617/files/bhagavad_gita_english_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5584/8355/files/dj_shadow_six_days.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7526/4919/files/18278567797.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_off00007bc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BC1 | 5416 bytes |
SHA-256: 97d48f246790ae37845f695f8d859aed743be2e1fce6fb9ca13cdd4c3ac28417 |
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font_01_sfnt_off00008e4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E4E | 10536 bytes |
SHA-256: 99b8467f1e6eaaf475158e9cbf715ee6da5887c72ac5100b31e6270e1fb0d0c6 |
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