MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=caracteristicas+de+los+anelidos+pdf'. This suggests the document is part of a link farm or SEO poisoning campaign designed to redirect users to malicious infrastructure. 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.ru/pify?keyword=caracteristicas+de+los+anelidos+pdf In PDF document text
- http://files.chandankhanal.com/uploads/1/3/2/6/132682787/telesatabidekowasa.pdfIn PDF document text
- http://dobinojo.arlingtontherapyalliance.com/uploads/1/3/0/8/130814017/3fd9890a7c54.pdfIn PDF document text
- http://rotik.friendsofcamplouisepa.org/uploads/1/3/0/8/130815009/nejanuve.pdfIn PDF document text
- http://files.triberoastingco.com/uploads/1/3/1/0/131070362/wegarima_kadupaw.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/1/0431/6243/5739/files/lidikakapebolaxuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4083/3690/files/23939803335.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9125/5713/files/ffxi_geomancer_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2936/4885/files/nanigox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8450/4474/files/97396620912.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6705/7063/files/nivafezifirexeduxivowunux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0778/6654/files/lokoronaxowiso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0841/6165/files/makemkv_registration_code.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9263/1962/files/taxepo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8693/7253/files/sukigoxuduzuwime.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8056/4392/files/peguwaxafagedowojinuzofok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6377/0272/files/building_construction_mckay.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2721/0144/files/iti_engineering_drawing_syllabus.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_off00007f73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F73 | 5052 bytes |
SHA-256: e503855b78e8eaff9ad496331c72bbf0de1b9e0bf82e07d526780ba852fe1b68 |
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font_01_sfnt_off000090aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90AA | 10912 bytes |
SHA-256: 1625487a82496aac918256c1ae53135e69ee72eaa5903b9e10dd2b42e4f10c58 |
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