MALICIOUS
184
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 various domains. One of the primary links redirects to a known malicious infrastructure. This suggests the document is part of a link farm or SEO poisoning campaign designed to drive traffic to malicious sites, potentially for phishing or malware distribution.
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.ru/pify?keyword=holistic+assessment+in+education+pdf In PDF document text
- http://files.krwoodworkings.com/uploads/1/3/1/8/131871894/1591208.pdfIn PDF document text
- http://files.naramataplayschool.com/uploads/1/3/0/7/130739968/tunilipalixuruz-julojinulemala.pdfIn PDF document text
- http://files.addedtouchreceptive.com/uploads/1/3/0/7/130775870/5861909.pdfIn PDF document text
- http://files.heavygrail.net/uploads/1/3/1/3/131380733/bitat.pdfIn PDF document text
- http://files.mrstuckeysclass.com/uploads/1/3/0/7/130776841/4143467.pdfIn PDF document text
- http://files.chargedcomics.com/uploads/1/3/1/1/131164204/a923c69e23.pdfIn PDF document text
- http://files.stone-panel-systems.com/uploads/1/3/2/8/132815979/wojitanebanebunero.pdfIn PDF document text
- http://files.heitzmansions.com/uploads/1/3/0/7/130776603/9967635.pdfIn PDF document text
- http://files.golfwithmickey.com/uploads/1/3/0/7/130739328/3404176.pdfIn PDF document text
- http://files.aukidesigns.com/uploads/1/3/1/4/131454436/memaliji.pdfIn PDF document text
- http://files.traleeresponders.com/uploads/1/3/0/8/130874305/0ded765fa8d6d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://jupurugasu.files.wordpress.com/2020/06/90977193381.pdfIn PDF document text
- https://juzorikum.files.wordpress.com/2020/06/xigovivupazopujoma.pdfIn PDF document text
- https://fubakuwow.files.wordpress.com/2020/06/44197560730.pdfIn PDF document text
- https://jobujefebiwo.files.wordpress.com/2020/06/69910636354.pdfIn PDF document text
- https://kavojito.files.wordpress.com/2020/07/bevebekokibikefusezewibos.pdfIn PDF document text
- https://julames.files.wordpress.com/2020/06/68609215508.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mojarugalemidim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/76640573288.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/85484739365.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ganisififado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gekisemegudifusoledo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xikidewutuxazumal.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_off00005685.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5685 | 5048 bytes |
SHA-256: 7b1c6b7a7806c9039c0526f7a48d30f7af6e8af55ca0e50aac22f11b7c6b3592 |
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font_01_sfnt_off00006798.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6798 | 9028 bytes |
SHA-256: a077ea1508de2956f7d40c922c557530100ba3a37af0701a32bdc1ca35d58eb8 |
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