MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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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://baarspo.ru/award?keyword=auriculotemporal+nerve+block+pdf PDF link annotation
- https://cdn.sqhk.co/jojojidatun/SFicC1h/xixavafasupux.pdfIn PDF document text
- https://cdn.sqhk.co/torazanopuni/Nibhajd/51441688465.pdfIn PDF document text
- https://limuvowefegepud.weebly.com/uploads/1/3/4/5/134509231/nepurivunow.pdfIn PDF document text
- https://kilizalulalikog.weebly.com/uploads/1/3/0/9/130969980/44e1bb27a5fc25.pdfIn PDF document text
- https://cdn.sqhk.co/loxexafetivu/gJXgchd/drum_set_cymbals_names.pdfIn PDF document text
- https://rixabala.weebly.com/uploads/1/3/4/7/134730828/5767548.pdfIn PDF document text
- https://gotukedefiwukub.weebly.com/uploads/1/3/5/3/135309477/5177188.pdfIn PDF document text
- https://cdn.sqhk.co/rifokinimito/7fiaxje/21655708867.pdfIn PDF document text
- https://pivenalelan.weebly.com/uploads/1/3/2/8/132815337/sufanuzenasem-kekazakelarizig-nigatituwidup.pdfIn PDF document text
- https://cdn.sqhk.co/merabuvi/ijfghid/lovevetimifos.pdfIn PDF document text
- https://tazowodogakog.weebly.com/uploads/1/3/1/4/131437711/6309211.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fefekug.rf.gd/ruruxev.pdfIn PDF document text
- https://a40b6db0-1679-4e03-879f-ac5827b9aa7d.filesusr.com/ugd/dba42a_12e5ab7c48cd4d4b8aa5eba16b322cf4.pdf?index=trueIn PDF document text
- https://b1e6e3cd-24a2-426a-8b7d-e8f4bd81915b.filesusr.com/ugd/83e584_fe3e691756b64fe2a9485089218ac116.pdf?index=trueIn PDF document text
- https://0d3c4653-ec4b-4b04-9c20-59e348ba858e.filesusr.com/ugd/62200f_94b57bfe652b41d2882fa7881b8cf91c.pdf?index=trueIn PDF document text
- https://5bf49506-6ef1-42f8-8f90-7e3689255fd3.filesusr.com/ugd/8fe1bf_9f8ee45a3056493f89280004a7e04fcd.pdf?index=trueIn PDF document text
- https://79d86aa2-23c4-4aa0-a0dc-c16ac59ae55d.filesusr.com/ugd/ecb701_b429c1c867764eb5bf695c539b14604a.pdf?index=trueIn PDF document text
- http://pizenove.epizy.com/gegareboworikizoka.pdfIn PDF document text
- https://1e16da7b-5b4f-4122-a3c4-5c88c9d97cf7.filesusr.com/ugd/83f04e_1bfd4dd091ca4812a2a6373584dd09de.pdf?index=trueIn PDF document text
- https://84d5b3ab-51dd-4312-87b7-51df18fb3b26.filesusr.com/ugd/9ea9b6_b2936193e91a4e40861082c741a9570b.pdf?index=trueIn PDF document text
- https://73856814-13bb-4d44-aeaf-752cce6ba6bd.filesusr.com/ugd/a0d21a_9f27893913c94578b55ecb10dc69d8d9.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_off00011f28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F28 | 5376 bytes |
SHA-256: 8890b5e467a9ee418c46b1ac52f4fa65cbda4c446e97ecf40d92567607fcbf2e |
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font_01_sfnt_off00013162.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13162 | 13636 bytes |
SHA-256: 2ffea1d6b07b8295c6bbaefff31ff9011dad32a37181e313683949348e772406 |
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