MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains a large number of external links, many of which point to disposable hosting, suggesting a link farm designed to distribute malware or conduct phishing attacks. The presence of embedded URLs and the overall structure strongly suggest it's part of a phishing campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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/strik?utm_term=d+link+dsl+2730u+configuration+mtnl+broadband PDF link annotation
- https://cdn-cms.f-static.net/uploads/4455185/normal_606dc817d2ee7.pdfIn PDF document text
- https://mesedegusi.weebly.com/uploads/1/3/4/6/134600151/fenodufun.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418000/normal_6040186ad102b.pdfIn PDF document text
- https://penomagara.weebly.com/uploads/1/3/2/6/132695387/webujotat.pdfIn PDF document text
- http://wisatemubudu.medianewsonline.com/labodizatoviz.pdfIn PDF document text
- http://gapokaro.mywebcommunity.org/jurnal_psikologi_behaviorisme.pdfIn PDF document text
- http://kolagozisil.mywebcommunity.org/69910327388.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417818/normal_5fd7ed53534d2.pdfIn PDF document text
- http://vijevejumozugim.sportsontheweb.net/nudefuged.pdfIn PDF document text
- http://novofikupeneda.mywebcommunity.org/bunavobenenexub.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418556/normal_601bd27d0aa1b.pdfIn PDF document text
- http://ratixopawem.mypressonline.com/cancer_espinocelular.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://b7eb3c74-9f10-4efd-a612-efb7ea03662f.filesusr.com/ugd/7198c1_9ace39cf5ae64315af37cfe1cb2d2db9.pdf?index=trueIn PDF document text
- http://bokawevetejap.atwebpages.com/beauty_and_the_beast_flute.pdfIn PDF document text
- http://movetodosewa.rf.gd/5455674455.pdfIn PDF document text
- https://3c4962d9-41f7-4f14-8396-dad57cc8de20.filesusr.com/ugd/a2de88_466b37b8f3b74170a417e19353ca822e.pdf?index=trueIn PDF document text
- http://fusagubo.epizy.com/artificial_neural_network_using_matlab.pdfIn PDF document text
- http://kuxoxokazutuv.myartsonline.com/fasobagosewumogavinuto.pdfIn PDF document text
- https://bb491b24-4c81-4ccc-8daa-bf1baeb171c2.filesusr.com/ugd/93c935_c65bd77f08a24355bc199c202f70b406.pdf?index=trueIn PDF document text
- https://4123e755-5e7e-4fb8-b167-49ba90d37259.filesusr.com/ugd/fd3290_a69fcdab1c6d45deab22d749072c3c51.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_off00010f49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F49 | 6060 bytes |
SHA-256: aa7627fea83f1a52a6b29be61991a12f0416eca694ef426c0b6a537f561a5f54 |
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font_01_sfnt_off000123db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123DB | 10840 bytes |
SHA-256: 0a528452177375372749a224273e78a795ef11446073147efd1bcd96ab8f7a25 |
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