MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document is designed as a lure, masquerading as a 'carers allowance application form' to entice users to click on embedded links. It contains a significant number of external PDF links, with one prominent link pointing to a known malicious redirector. The document's structure and the presence of numerous links suggest a phishing or redirection campaign aimed at delivering further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=carers+allowance+application+form+pdf In PDF document text
- http://files.webchristchurch.com/uploads/1/3/0/7/130776327/xoxuvuwutosopuruni.pdfIn PDF document text
- http://files.classicroadart.com/uploads/1/3/2/7/132741181/3ac1ba.pdfIn PDF document text
- http://zuxij.annablossom.us/uploads/1/3/2/6/132681352/7790206d.pdfIn PDF document text
- http://files.akws.org/uploads/1/3/1/3/131398367/wujagizixofipi-rakik-kenafanokuf.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/1/0430/4073/5381/files/leboxorewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/67257536452.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8734/0454/files/kakisazedanorelilikof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3664/7317/files/xabipimafobav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1917/9931/files/bewizizilalajapawovem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1760/1181/files/vetezudigumakutelurasukoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4189/0208/files/link_react_router_dom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2456/9752/files/40752059892.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0985/1048/files/peptic_ulcer_disease_notes_pdf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2086/0064/files/45028608393.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9162/4096/files/92456338542.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9365/5716/files/annex_10.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_off00006664.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6664 | 5296 bytes |
SHA-256: a01b3192a10dc54b53b125aaa55212ce1a530cc3d83c0b5d0b727b75fdafafd6 |
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font_01_sfnt_off00007864.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7864 | 10156 bytes |
SHA-256: 4b30850bb2454979ab2f60b0cf38152c9eae9945065499a26f965e2c7ebc2df9 |
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