MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and numerous external URIs point towards a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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=explain+software+development+process+models PDF link annotation
- https://cdn.sqhk.co/rigedaveva/FH9yjfC/bilibili_android_tv.pdfIn PDF document text
- https://cdn.sqhk.co/rarirawibowo/hf96BAs/police_chase_right_now.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385847/normal_604f2d29093e5.pdfIn PDF document text
- http://xutelopivi.22web.org/redmi_airdots_manual_espaol.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453108/normal_5fcfe6d6b5347.pdfIn PDF document text
- https://cdn.sqhk.co/numokafas/2av3Fwt/dazuluna.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413707/normal_60689ae5b5a6a.pdfIn PDF document text
- https://cdn.sqhk.co/jizuxadif/h79iaJO/nikerugiso.pdfIn PDF document text
- https://cdn.sqhk.co/sejixikerut/fhdpgei/xuvativavafuvumivikatez.pdfIn PDF document text
- https://cdn.sqhk.co/dimowitop/ghaYgge/pirokixakumoberu.pdfIn PDF document text
- http://benodemutuvi.22web.org/pifezenobapedozixukajo.pdfIn PDF document text
- https://rowegodidevonu.weebly.com/uploads/1/3/4/4/134468430/8144539.pdfIn PDF document text
- https://gajerekore.weebly.com/uploads/1/3/5/3/135327587/tobakokumi.pdfIn PDF document text
- https://cdn.sqhk.co/sozasusu/hgIgejd/spelling_worksheets_2nd_grade.pdfIn PDF document text
- http://katorewudejizut.22web.org/your_uninstaller_full_version.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379720/normal_5fec398a6607a.pdfIn PDF document text
- https://cdn.sqhk.co/wofazexej/exRgfdu/lurirexemejafemomobe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://purarugamepamak.epizy.com/adkar_assabah_maktouba.pdfIn PDF document text
- https://6ba7316d-b84b-4ccb-a32a-103c856d4013.filesusr.com/ugd/91f37e_3837320c872541cc9bd1b4abb0cd0763.pdf?index=trueIn PDF document text
- http://punexowimuseva.epizy.com/rodalolexomo.pdfIn PDF document text
- https://b2d1eea7-aef5-47fc-962c-88b5513ecafc.filesusr.com/ugd/3a57bc_4b658d5dd95b4941a59d782f82cbfed9.pdf?index=trueIn PDF document text
- https://c948e902-2437-43f3-9f1e-7aaad30688a7.filesusr.com/ugd/464a75_5fd396d7fb7b41809be9da67dd6ad876.pdf?index=trueIn PDF document text
- https://39c1d623-eccb-4af0-a86a-15328a2d61f9.filesusr.com/ugd/3cb6cb_fde87c7dfb404c2c95ed13157bb31a87.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_off0000ec5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC5A | 5480 bytes |
SHA-256: b87ef2664dabb54128e447899a5bed9b1743e250bc3bbfa60ea3aeda4f550416 |
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font_01_sfnt_off0000ff09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF09 | 10552 bytes |
SHA-256: cae851767c1a33d791aebc4007ef6efa6768743febf025dae30d7bb508ad09e8 |
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