MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of links to external PDF files hosted on various domains, many of which appear to be disposable. One of the primary links directs to a known malicious redirector. This behavior is indicative of a link farm, potentially used for SEO manipulation or to distribute further malicious content. No scripts were extracted, but the structure and link farm nature suggest a malicious intent to redirect users to harmful sites.
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.com/wb?keyword=lahti%20precision%20wa-810%20manual In PDF document text
- http://files.squareonegoodsco.com/uploads/1/3/2/8/132815154/tasawaz.pdfIn PDF document text
- http://files.samndoesart.co.uk/uploads/1/3/1/3/131398197/e6d212.pdfIn PDF document text
- http://files.bradyvu.com/uploads/1/3/1/0/131070481/jivanutunugefos.pdfIn PDF document text
- http://files.highlandmillsumc.com/uploads/1/3/0/7/130776344/24a34f4b9659b6.pdfIn PDF document text
- http://files.himelappraisal.com/uploads/1/3/1/3/131380107/silabulaxemukuroxu.pdfIn PDF document text
- http://files.skindeepinktattoo.com/uploads/1/3/0/9/130969473/7837570.pdfIn PDF document text
- http://files.hugoedgar.com/uploads/1/3/2/8/132816165/3057520.pdfIn PDF document text
- http://files.designbyalyssamarie.ca/uploads/1/3/1/3/131379991/b04ddb0b590f69.pdfIn PDF document text
- http://files.3daudiosense.com/uploads/1/3/0/9/130970001/pixazazipul.pdfIn PDF document text
- http://files.kaarunya.org/uploads/1/3/2/3/132302913/2057029.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://muposariga.files.wordpress.com/2020/07/negames.pdfIn PDF document text
- https://diwunibe.files.wordpress.com/2020/06/nanugivomin.pdfIn PDF document text
- https://jefunalas.files.wordpress.com/2020/06/divekimabodebivopinosobo.pdfIn PDF document text
- https://tidisoli.files.wordpress.com/2020/06/46468712938.pdfIn PDF document text
- https://lidalavanepu.files.wordpress.com/2020/07/gesipex.pdfIn PDF document text
- https://jovutevuk.files.wordpress.com/2020/07/51553643699.pdfIn PDF document text
- https://latixeneseka784727690.files.wordpress.com/2020/07/80043939585.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wakorijupomimenupe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tapowizilefaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zosogorimojafi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9309/8660/files/davadotorometib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81667611697.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_off00009d68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D68 | 5508 bytes |
SHA-256: d0ec9f0403e50bb1e381e8ce3bc96f11d6078b304bdb4ac900af91f4c969f8de |
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font_01_sfnt_off0000b010.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB010 | 11560 bytes |
SHA-256: 83f0df85957d9a6aa0ac917d7943bc9ce000c58308e1002d185e04647f8cae48 |
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