MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many of which point to disposable hosting services, indicating a link farm designed to drive traffic. The primary external URL, https://pelibifir.ru/strik, is likely part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://pelibifir.ru/strik?utm_term=how+to+pair+directv+remote+to+audio+receiver PDF link annotation
- https://matisosu.weebly.com/uploads/1/3/2/6/132681513/4210075.pdfIn PDF document text
- https://bawovaleza.weebly.com/uploads/1/3/2/6/132683088/3768075.pdfIn PDF document text
- https://fuburufogukedez.weebly.com/uploads/1/3/0/7/130776130/duwinerabularu.pdfIn PDF document text
- http://gixapedotamerow.mywebcommunity.org/guzezukidegenupo.pdfIn PDF document text
- http://womenita.fun/lelopowatilopotonumusco0fm.pdfIn PDF document text
- http://toppiksnack.xyz/683335108294mt4c.pdfIn PDF document text
- http://lalashoppen.online/production_weekly_mandaloriank7x58.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d1b33a7b-cde1-45d4-bc15-d4d3b6236ac5.filesusr.com/ugd/1d64af_4fafe55bebd8484fa49f037bdb3d6c94.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/moduluzuxikari/9182391799.pdfIn PDF document text
- https://7e005a1c-fb68-43c1-af83-b854b6a2d282.filesusr.com/ugd/dcfb95_55dc5a1454394ca9a8e95db34b982ed6.pdf?index=trueIn PDF document text
- https://2a497570-3881-454f-aefc-229a18bbdf22.filesusr.com/ugd/83e24f_2bb386cb74d14783b5b25123ab652868.pdf?index=trueIn PDF document text
- http://rogomore.myartsonline.com/1001_nights_arabic.pdfIn PDF document text
- https://f1ddcea9-c323-452c-a4d3-aaefec61e50a.filesusr.com/ugd/defd8a_724c0691439c47a78a91edecad1dcce8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/nawuvud/vaxukirigexesewozadadet.pdfIn PDF document text
- https://ce2645ba-e89a-43d5-afff-5c0150757291.filesusr.com/ugd/c63dba_e692012a7b89409f94d52885b6e2d14d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jasipefulaxiduj/37373650374.pdfIn PDF document text
- https://72858ab8-d36f-4bc2-b208-e5ec56e76d01.filesusr.com/ugd/3a4e0e_e035e5dd20f7475799ec12f93a462543.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gozilum/12083838652.pdfIn PDF document text
- https://571cbd0a-ba82-408d-be6d-2df53a8fcfe5.filesusr.com/ugd/02af14_90e357e6453d42449101e4e11ed6a4bf.pdf?index=trueIn PDF document text
- https://7e8267f5-6380-480e-ad72-df526eaefc07.filesusr.com/ugd/cbe325_c234d2e3cd9548969b3adce3f080f162.pdf?index=trueIn PDF document text
- https://f2203da8-4034-475c-a980-a37079f2cd7f.filesusr.com/ugd/d29026_69812cadd7bb48a886d334f93c6313e3.pdf?index=trueIn PDF document text
- http://tevefetilojas.atwebpages.com/tu_cerebro_creativo_shelley_carson.pdfIn PDF document text
- https://s3.amazonaws.com/tiluwisulepam/how_to_write_an_essay_conclusion_scribbr.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_off00012af7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AF7 | 5124 bytes |
SHA-256: 6c1fec2c435d2016db4ad707d177f7a727b593ce83a740735ce53081b9b8c2c0 |
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font_01_sfnt_off00013c65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C65 | 11396 bytes |
SHA-256: ede5f8f78c7b862484cb2eee841e827b76170f3b568a79ac892777d646fedf97 |
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