MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of external links, identified as a link farm. The ML classifier strongly indicated maliciousness, and the presence of numerous links to disposable domains and potentially SEO-manipulated content suggests a malicious intent. The primary function appears to be directing users to external resources, which could be for SEO spam or to host further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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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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://pelibifir.ru/strik?utm_term=project+management+101+course PDF link annotation
- https://cdn.sqhk.co/sevijeruba/gcidLii/transfer_news_twitter_barcelona.pdfIn PDF document text
- https://cdn.sqhk.co/zaviresodew/ivzHwkF/54833508281.pdfIn PDF document text
- https://cdn.sqhk.co/lisesemafo/SQT8Ctn/63199850684.pdfIn PDF document text
- https://kufesivewafe.weebly.com/uploads/1/3/1/3/131384244/buxofuloro.pdfIn PDF document text
- https://golakabuzoved.weebly.com/uploads/1/3/4/8/134870140/xiruzov.pdfIn PDF document text
- https://pikemane.weebly.com/uploads/1/3/4/7/134775920/5225044.pdfIn PDF document text
- https://cdn.sqhk.co/giravopakiw/hfjaoie/serumokovunizi.pdfIn PDF document text
- https://telozigigozato.weebly.com/uploads/1/3/4/3/134310186/tiziwuxifigulexu.pdfIn PDF document text
- https://cdn.sqhk.co/birugafomafo/hgjawje/95366388551.pdfIn PDF document text
- https://cdn.sqhk.co/zixemoliz/0ggg6hf/telecharger_johnny_bonasera_3_apk.pdfIn PDF document text
- https://jujowaganul.weebly.com/uploads/1/3/0/8/130874338/lugipanivepiwom-norolikirufemom-newofapojabaxe-rawirufi.pdfIn PDF document text
- https://cdn.sqhk.co/widiroje/ihhhbZd/woridajigoriletafumudade.pdfIn PDF document text
- https://siketaxugulus.weebly.com/uploads/1/3/5/3/135309361/82992c.pdfIn PDF document text
- https://cdn.sqhk.co/tezofugowura/hgcgjeJ/wefex.pdfIn PDF document text
- https://wudowured.weebly.com/uploads/1/3/0/8/130873715/sutujunix-domemes.pdfIn PDF document text
- https://cdn.sqhk.co/woluzadeviv/jZHIxJ1/among_us_free_pc_download_without_bluestacks.pdfIn PDF document text
- https://torurukiruxo.weebly.com/uploads/1/3/4/5/134529807/xudanokakonugiwim.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/jotizifime/80657328317.pdfIn PDF document text
- http://bukuzem.rf.gd/brc_mesh_full_form.pdfIn PDF document text
- https://s3.amazonaws.com/pizexopenaxu/bad_boy_ringtone_remix.pdfIn PDF document text
- https://s3.amazonaws.com/remuv/57869982193.pdfIn PDF document text
- http://fibubaxuvuvixik.epizy.com/3867641626.pdfIn PDF document text
- http://jefesati.rf.gd/ketifolavakabatujekuf.pdfIn PDF document text
- http://pufalidupoge.epizy.com/50169031637.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_off0000ee23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE23 | 5356 bytes |
SHA-256: 913b910d3eeaa932231acf73e29f31b8c7b9bd0bc9359f4a43bec2782b2fac23 |
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font_01_sfnt_off00010048.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10048 | 11040 bytes |
SHA-256: f9f1dfdc8763fd2f0e34b2698182a22ac5d8f8afed00e61fb3c967eabbaac42a |
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