MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded JavaScript and numerous external links, many of which point to a link farm designed for SEO manipulation. One critical heuristic identified a link to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL that triggers the redirector, suggesting the primary intent is to lead the user to malicious content via a deceptive academic lure.
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.link/wix?keyword=expectancy-value+theory+of+achievement+motivation In PDF document text
- http://golumiri.nathaliesalas.com/uploads/1/3/2/6/132682735/f23c9aa788b0b4.pdfIn PDF document text
- http://files.tjeducationalleader.com/uploads/1/3/2/6/132682441/3175757.pdfIn PDF document text
- http://surox.apsexplore.com/uploads/1/3/1/3/131378950/6adaeca20.pdfIn PDF document text
- http://files.deltayouthsoccerassociation.com/uploads/1/3/1/8/131871859/jivigarokidoza_gavowefajutov_mekojus.pdfIn PDF document text
- http://files.jeromebibleartmuseum.com/uploads/1/3/0/7/130775905/10e2ebebc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://295e7745-80fb-4c3e-b7c6-cacde05f2f9e.filesusr.com/ugd/f96b02_60f0b7bd87754536a33eca61332af024.pdf?index=trueIn PDF document text
- https://5e6d7e0d-6357-47ab-8f89-d64b8de7dbb4.filesusr.com/ugd/c638b7_c3e7109d5c7342d0a7eb9dd0fd85a6cb.pdf?index=trueIn PDF document text
- https://61dba9e4-b80e-4f35-9cda-6c10f39bf78d.filesusr.com/ugd/24853a_900800fedbde4f7c866089cc0d851d06.pdf?index=trueIn PDF document text
- https://eb1e5ad2-6b15-4983-b217-29453c23dc86.filesusr.com/ugd/f08e01_f714b0e0559349d396111c8f86ecb8e2.pdf?index=trueIn PDF document text
- https://a3e9acfd-92f7-4903-8f7f-83fd67edf6dd.filesusr.com/ugd/98857b_ad21ca99ed064ec1b11fe4717ea2298c.pdf?index=trueIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6515/6508/files/27158501227.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0971/2021/files/logo_quiz_world_answers_level_20.pdfIn PDF document text
- https://38b1d927-890c-4c61-9d15-7a7e526e978b.filesusr.com/ugd/2b3f46_11515b8659b2436ea01ccf2e9ba606a2.pdf?index=trueIn PDF document text
- https://3b319aa7-5462-4eaa-ade2-80121b4a4c05.filesusr.com/ugd/dad7b5_c0bc42bb07b44f9c8f82c49e0f385942.pdf?index=trueIn PDF document text
- https://c9b73f2f-4d75-42ae-91f2-7a5ca61ad871.filesusr.com/ugd/fbccce_0e02be5fb81247cfba26c431228910cb.pdf?index=trueIn PDF document text
- https://0b183c51-08e4-4a67-bff9-e208926239de.filesusr.com/ugd/529dbf_3bea5f24bf244f4bacc2bd9e2f249f8b.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007b1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B1C | 5296 bytes |
SHA-256: fcc65808a3e4b227c987391c033bf09c04f928335d78defabde084668eb709f4 |
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font_01_sfnt_off00008d14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D14 | 10464 bytes |
SHA-256: 1109da87c5bade2e28a2e4df40e117b2f48c8394ac413dde7f1890ae880e6639 |
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