MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of links, many pointing to potentially malicious redirectors and disposable domains, indicating a link farm or SEO spam campaign. The document body, though heavily obfuscated, contains a URL that appears to be a redirector. 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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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.club/pify?keyword=conversion+76cm+to+inches In PDF document text
- http://vupaxefed.legacyministries.info/uploads/1/3/1/4/131483245/7674.pdfIn PDF document text
- http://files.speakeasyliverpool.co.uk/uploads/1/3/1/4/131438038/69787e7647941.pdfIn PDF document text
- http://jevep.soudersthirdgrade.com/uploads/1/3/0/9/130969360/sezuzefaten.pdfIn PDF document text
- http://files.ryandavidbirdlarson.org/uploads/1/3/0/7/130775364/sufidamiriwubinize.pdfIn PDF document text
- http://files.hinterlandceramics.com/uploads/1/3/1/4/131438759/fojal.pdfIn PDF document text
- http://vopixinux.cottonwoodhoops.com/uploads/1/3/1/4/131408024/65dbb18f3.pdfIn PDF document text
- http://xusano.andreaforgood.org/uploads/1/3/0/8/130874376/1212e.pdfIn PDF document text
- http://mobewi.fredoniapubliclibrary.com/uploads/1/3/1/4/131483044/aeed8e.pdfIn PDF document text
- http://files.knowledgeonthespot.org/uploads/1/3/0/9/130970009/1058542.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/1/0428/9835/8432/files/sivezijikok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3393/4496/files/lisozonu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0479/1163/3062/files/2_stupid_dogs_streaming.pdfIn PDF document text
- https://ab16afce-fd8a-4149-aefd-7902678c7c72.filesusr.com/ugd/d01287_028681b1c52d495ba8d0aba49f2a94a7.pdf?index=trueIn PDF document text
- https://f5f73898-abe4-41d5-bd1d-d064e22e7ed9.filesusr.com/ugd/a374b9_6910d37a92964bfea496d4036e814fe0.pdf?index=trueIn PDF document text
- https://92b29975-8cef-48a1-aae8-d7a63c06d4f2.filesusr.com/ugd/837d34_8dfd7343eee54d9aa2b21a18bac3e311.pdf?index=trueIn PDF document text
- https://290eb7df-6e2c-49ee-9698-d8b4c994ebea.filesusr.com/ugd/7c30af_d8b9aa1a94504ed38a44360fb01eea44.pdf?index=trueIn PDF document text
- https://d6d66280-ce32-40f2-be93-e706debe1558.filesusr.com/ugd/4cfbbd_3c28079f065946cdbaeba330c7dd2806.pdf?index=trueIn 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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006bca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BCA | 4996 bytes |
SHA-256: 5fd429209b9a25196f1c30e055c563b3e5f433552ea6aa0e2f984f1e55ff3367 |
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font_01_sfnt_off00007cad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CAD | 10248 bytes |
SHA-256: 7a86f8c8da0f8e1556a74ef63c78aeffa49d9e45d33555949359ea651a9fc1cf |
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font_02_sfnt_off00009fd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FD9 | 16100 bytes |
SHA-256: 9e9cd3e823d2b2c43597f4611ab9b63d40ea3e1a9eeb22e83fdae90966f5e152 |
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