MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=corpus+christi+school+brixton+uniform'. Another critical heuristic indicates a PDF link farm, with many links pointing to Shopify domains hosting PDF files. The document body contains text related to school uniforms, likely a lure to encourage clicks on the malicious links. No scripts were extracted from this sample.
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=corpus+christi+school+brixton+uniform In PDF document text
- http://files.janiceandbud.com/uploads/1/3/0/8/130874652/38a1e.pdfIn PDF document text
- http://files.welcomeinspections.com/uploads/1/3/0/7/130740442/347ecca.pdfIn PDF document text
- http://files.ben-noble.com/uploads/1/3/2/7/132740350/xufakifutadonumoma.pdfIn PDF document text
- http://ximis.integrativemassageworks.com/uploads/1/3/2/8/132814930/joginofuvotoka.pdfIn PDF document text
- http://pikapo.alzheimersdiseasethebrand.com/uploads/1/3/0/7/130776326/kitit.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/1/0435/3032/2071/files/87809905683.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9898/8949/files/mufugoladoxamozirogisof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6451/7023/files/tebivas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4425/7442/files/bufujexenorefuko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6703/1200/files/92824244386.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0776/9750/files/situginiba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4609/2443/files/98522498003.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3108/4712/files/kavifuzozakebuxeje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2647/2345/files/xujepugawatosofisawivupum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3002/0247/files/white_rodgers_thermostat_manual_1f80-_361.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4078/5062/files/nenijijuxuturemu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9440/8352/files/dimukipomab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8760/9497/files/fudamuzijimabojos.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_off00006000.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6000 | 5156 bytes |
SHA-256: 5476aab50ecc6b8278d6ecab7b9cdb8499d5578a64f4d12984298f1e05fb785c |
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font_01_sfnt_off00007160.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7160 | 10292 bytes |
SHA-256: 9fc894e0ec9fb00457e2406332a3fa5cd35928cb923c1f1c9905113ad3f8d170 |
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