MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as Pdf.Phishing.Trojan. The embedded URLs, such as 'https://coretry.ru/pbw?utm_term=grade+12+chemistry+textbook+answers+mcgraw-hill', are likely part of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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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 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://coretry.ru/pbw?utm_term=grade+12+chemistry+textbook+answers+mcgraw-hill
- https://galesarenad.weebly.com/uploads/1/3/4/3/134380117/afd29d5561faf.pdf
- https://molikosa.weebly.com/uploads/1/3/4/0/134017769/7778228.pdf
- https://posapana.weebly.com/uploads/1/3/1/4/131454172/tetapetak.pdf
- https://mawurimi.weebly.com/uploads/1/3/4/6/134661678/f9b1a2718de3a.pdf
- https://filuramaz.weebly.com/uploads/1/3/4/3/134314207/2520852.pdf
- https://likivaduzizi.weebly.com/uploads/1/3/4/6/134699319/5500855.pdf
- https://mixifotosipepe.weebly.com/uploads/1/3/4/8/134875306/gowaja_lefimukob_buxenikireribu.pdf
- https://defelidiko.weebly.com/uploads/1/3/1/0/131070982/32a983b85ec.pdf
- https://rizowowomupi.weebly.com/uploads/1/3/4/3/134344214/2156899.pdf
- https://rulutateve.weebly.com/uploads/1/3/4/6/134653171/kuzafito_javazasazodoxi_gifabixa.pdf
- https://sozobuxetezubu.weebly.com/uploads/1/3/4/5/134527793/4653538.pdf
- https://nozirurabi.weebly.com/uploads/1/3/0/7/130738896/vemifujowiraji.pdf
- https://namokokesovu.weebly.com/uploads/1/3/4/4/134480524/tofesateluditazomuw.pdf
- https://vudunige.weebly.com/uploads/1/3/5/9/135981242/rofigimo-vaseveba-mupobuteneri.pdf
- https://rerijore.weebly.com/uploads/1/3/1/8/131856643/1850447.pdf
- https://vudusozu.weebly.com/uploads/1/3/4/6/134629317/refit.pdf
- https://jukatuve.weebly.com/uploads/1/3/2/7/132741058/9328857.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/7e4c861a-c9b4-4b7a-b718-f35805da28a6/favilorosezuxa.pdf
- http://biduzoku.pbworks.com/w/file/fetch/144480720/etapas_del_desarrollo_segun_jean_piaget.pdf
- https://uploads.strikinglycdn.com/files/0fa62293-4151-4ff8-b844-ee408f8db49b/49982753595.pdf
- https://uploads.strikinglycdn.com/files/3710fc45-7e75-404b-bb1c-0d20f5566d3a/outdoor_activities_with_no_equipment.pdf
- https://uploads.strikinglycdn.com/files/9b8e5df6-60cb-43d3-bf1b-f17e33ee1d5c/xarovika.pdf
- http://mukibilevejo.pbworks.com/w/file/fetch/144481008/kinemaster_latest_mod_apk_2021.pdf
- https://uploads.strikinglycdn.com/files/7185d6d2-e2f2-4048-9b33-f477a75a822f/wefijapifofapapivulamav.pdf
- http://lokiboz.pbworks.com/w/file/fetch/144478416/27599012961.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ff06.bin4955dc8131e1c0bb290867b1ccd9e9fef2b2403aea8ec226529fcc2ffe685c02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF06 | 6064 bytes |
font_01_sfnt_off000113ac.bin68a136f9cc73adaec1ef75aaa1c3ecf02a6afd552abbb204ae8c2e552fb3a7f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113AC | 10720 bytes |
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