MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating it is a malicious redirector and part of an SEO link farm. The embedded URL and document body text point to a lure for free downloads, which redirects to a malicious domain. The ML classifier strongly supports the malicious verdict.
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.com/pify?keyword=energia+eolica+pdf+libros In PDF document text
- http://files.bearcatwrestlingclub.com/uploads/1/3/1/3/131384468/rusinojabat.pdfIn PDF document text
- http://files.sellyourtxhousefast.com/uploads/1/3/1/3/131381480/8974705.pdfIn PDF document text
- http://files.ccrid.info/uploads/1/3/2/7/132741023/9126402.pdfIn PDF document text
- http://xapipe.utahdivorceconsulting.com/uploads/1/3/0/9/130969045/lutusabuleku.pdfIn PDF document text
- http://files.pamirspecialtours.com/uploads/1/3/1/3/131379049/039ccd9a91.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0437/6113/9861/files/39097687264.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8502/8764/files/vezus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3966/0951/files/ririduxugavuzamakuzimadet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/mabijoxisum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5743/8101/files/23634332138.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0177/2192/files/don_felder_heavy_metal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8887/7470/files/fefajegal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xugufu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9417/2058/files/dudeta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4721/3464/files/fezomo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3988/1376/files/40309242673.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4291/3952/files/patowolofinojotijus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1713/2456/files/fofizererifive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8502/7745/files/amparito_roca_jaime_texidor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5359/6310/files/rojusavomutirowapol.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c471.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC471 | 5128 bytes |
SHA-256: 91cfb34bd9c1c0d16c71c4223e283b678546b0d5fcfa107dad3b807163f65730 |
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font_01_sfnt_off0000d5d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5D5 | 11756 bytes |
SHA-256: e6fb9eb1c7ec36684bae0be2e73631c7b8bb69f0829f51a6faca16093c51fd9a |
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font_02_sfnt_off0000fbdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBDF | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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