MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm designed to lure users into clicking on a link that redirects to malicious infrastructure, specifically `https://ttraff.ru/pify?keyword=anthem+shbp+biometric+screening+form`. The document body, though heavily obfuscated, contains this URL, and the PDF structure includes numerous embedded links to various Shopify-hosted PDF files, likely as part of a SEO poisoning or link farm strategy. The ML classifier also strongly indicated maliciousness.
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.ru/pify?keyword=anthem+shbp+biometric+screening+form In PDF document text
- http://vivovodi.theowlfrompowell.com/uploads/1/3/2/3/132302870/af89eb96fdaf.pdfIn PDF document text
- http://metev.evelandfarm.com/uploads/1/3/2/6/132681556/bigudowuke-givunupesigap-sufenepati-fabudepekirekib.pdfIn PDF document text
- http://files.helsbellshandmade.com/uploads/1/3/2/3/132303205/wegagagumejimo.pdfIn PDF document text
- http://files.houstonbottledwater.com/uploads/1/3/2/6/132695343/dudomedovosive.pdfIn PDF document text
- http://files.lambsworkshop.com/uploads/1/3/1/6/131636612/pitedupaperafa_jugisiwajif_wazetuf.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/1/0436/2492/3298/files/fesiliwi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8148/2919/files/kesun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9255/7462/files/gogowapetemilemodesefi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7128/2079/files/36220716891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0301/0459/files/cateter_venoso_central_arrow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3089/6026/files/76033730459.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0767/1448/files/jimerilinoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6658/9335/files/how_to_unprotect_a_word_document.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4244/8295/files/3869688546.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5099/8679/files/bhakti_movement_upsc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2393/2311/files/pogaketiwakululidajavi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1645/4305/files/bedirudaxalamurijizi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6282/0005/files/38908279252.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_off00006d48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D48 | 5316 bytes |
SHA-256: 27b89e9516e8b502facf60eeb7e009d5bfa7c0265be3db78c353fe3b81a92baa |
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font_01_sfnt_off00007f30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F30 | 10384 bytes |
SHA-256: ce96064cceab0c4e0c8e6a88f8cf70d071c621f924085757ea54d13c2576f084 |
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