MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm designed for SEO manipulation, aiming to trick users into downloading files. The ML classifier strongly flagged this PDF as malicious. The document body and embedded links point towards a lure for downloading files, likely containing malware, disguised as legitimate content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=the+bookish+life+of+nina+hill+pdf+free+download In PDF document text
- http://files.readtoachieve2.com/uploads/1/3/0/7/130775503/nodulajilesusat.pdfIn PDF document text
- http://fujeb.honorfirst.com/uploads/1/3/2/6/132683165/1783758.pdfIn PDF document text
- http://files.wallaceclassroom.com/uploads/1/3/2/3/132303147/nemuzovademake.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/1/0435/3366/4420/files/wanaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2579/1133/files/grade_5_math_practice_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6183/0037/files/el_deslinde_alfonso_reyes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7655/8746/files/libro_para_colorear_de_caballos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0700/0219/files/gawirenegimosadopasuze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9080/2856/files/8553719828.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2207/3506/files/dujijadupepuwifoki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7623/0051/files/bigomevebepefisuruvil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1959/2099/files/kimedana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5248/2208/files/69980278860.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3989/1357/files/inhibidores_betalactamicos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3121/5780/files/.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/79714902461.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68A6 | 1560 bytes |
SHA-256: 71337577fef36e46ce718a09ca2836f03782d5f6ddaf742f46b904026ecd8998 |
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font_01_sfnt_off00007097.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7097 | 5372 bytes |
SHA-256: 4b2bcf9d4749ee0ac5228b0350d41ba7a370ae17966cf18d8f29c14c82352f3d |
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font_02_sfnt_off000082db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82DB | 4040 bytes |
SHA-256: 49e1965d72d28bd9a293b2cea0625fb5c0666ba3c20e3293edd5b29f42d73de2 |
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font_03_sfnt_off000091b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91B8 | 10060 bytes |
SHA-256: 5dd2435f12206194783f54331c83deec2b6ed7a2b7f27978e288be3d59f7183e |
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font_04_sfnt_off0000b431.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB431 | 1736 bytes |
SHA-256: 74be5bc4d46f64e5c506ae1006f7022dc98ebf960e37c7bf417c2027ca73106d |
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