MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO spam operation. The primary URL, 'https://nipisod.ru/aws?utm_term=netgear+nighthawk+ac2300+vs+ac2600', is presented as a product comparison but likely serves as a lure to a malicious site. No scripts were extracted, but the PDF structure itself is used to host these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://nipisod.ru/aws?utm_term=netgear+nighthawk+ac2300+vs+ac2600 PDF link annotation
- https://suxaniwaxunese.weebly.com/uploads/1/3/4/3/134385499/a1645a42381.pdfIn PDF document text
- https://cdn.sqhk.co/fabavukunatu/ujcL6ie/rose_flower_growing_tips.pdfIn PDF document text
- http://denuziwu.iblogger.org/mathematical_induction_and_binomial_theorem.pdfIn PDF document text
- https://cdn.sqhk.co/zefafulolit/djdhbtX/water_slide_bounce_house.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375095/normal_604fd02f4b232.pdfIn PDF document text
- http://tubiwupijekowam.22web.org/certificate_of_commencement_of_business_format.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417128/normal_602de1afa4757.pdfIn PDF document text
- http://fejevimajaf.22web.org/50786076644.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488322/normal_6063d5b1b2d0a.pdfIn PDF document text
- https://bafibosu.weebly.com/uploads/1/3/0/7/130738803/gutig-lemererinenu-wibibawev.pdfIn PDF document text
- https://cdn.sqhk.co/kulamogo/ihdRAF3/carrie_underwood_songs_youtube_i_told_you_so.pdfIn PDF document text
- https://pubabugolutaj.weebly.com/uploads/1/3/2/6/132680974/8524121.pdfIn PDF document text
- https://cdn.sqhk.co/gazegarov/hggj0jI/42494048366.pdfIn PDF document text
- https://cdn.sqhk.co/kepozote/fu4yn0e/5410470203.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367302/normal_6048abbe757ec.pdfIn PDF document text
- https://rakimazigikan.weebly.com/uploads/1/3/2/3/132303322/9318864.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://7f03322d-63d6-449b-a8c2-a80beffeb2b6.filesusr.com/ugd/2994dd_41527244c4dd4fd681d04c867960f257.pdf?index=trueIn PDF document text
- https://52ed6390-a5c1-4502-9f93-599cf6d98ad1.filesusr.com/ugd/f7fbc8_e63b20e0ca114aa39dbea5fae63bf63d.pdf?index=trueIn PDF document text
- http://losuwanawore.epizy.com/fexajas.pdfIn PDF document text
- https://36c7e617-1221-4173-b726-d5bce2878801.filesusr.com/ugd/610d21_208c9b8c0b8d4b6f80e9012ecf48624a.pdf?index=trueIn PDF document text
- https://1a413096-4115-453c-84a6-e19f3d0a1e7a.filesusr.com/ugd/4a2d03_51ea889ba5724cc6bf5e825d53d0884f.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_off0000e221.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE221 | 5804 bytes |
SHA-256: 9227db706ac2fc3807534f98588b86377a9cc4bae5af5358de55837f4b6943c4 |
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font_01_sfnt_off0000f604.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF604 | 10744 bytes |
SHA-256: edecc680117cf36d193d8481d6be09943951206f0027196d834b44f6458288fb |
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