MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document exhibits characteristics of a phishing lure, specifically a fake invoice or payment notification designed to trick the user into clicking a link. The presence of a large number of external links, many hosted on disposable domains, strongly suggests a link farm intended to distribute malware or lead to phishing sites. The ML classifier and ClamAV detection further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://jumiwimov.ru/aws?utm_term=tribal+per+capita+payments+2020 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4392462/normal_5fca41c522dce.pdfIn PDF document text
- https://funifagokose.weebly.com/uploads/1/3/2/6/132681236/4c3c9.pdfIn PDF document text
- https://varalege.weebly.com/uploads/1/3/0/7/130738576/gofov.pdfIn PDF document text
- https://puxibaso.weebly.com/uploads/1/3/0/9/130968956/dopadazimojanin_zidotasas.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413696/normal_6003818ebbe82.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4528260/normal_602d8d655785f.pdfIn PDF document text
- http://fonujameritules.getenjoyment.net/61861896543.pdfIn PDF document text
- https://salufisudad.weebly.com/uploads/1/3/2/6/132695294/8095719.pdfIn PDF document text
- https://zolerowiz.weebly.com/uploads/1/3/4/6/134691656/552e6.pdfIn PDF document text
- https://zalinojawovuga.weebly.com/uploads/1/3/4/8/134886974/9472463.pdfIn PDF document text
- https://wojopegoguw.weebly.com/uploads/1/3/4/6/134690206/5d2f9a89e4a2bd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4472186/normal_6040dc1ac207b.pdfIn PDF document text
- https://zimazegikej.weebly.com/uploads/1/3/4/7/134732290/8716898.pdfIn PDF document text
- http://doxedisipi.scienceontheweb.net/historia_de_la_contabilidad_gubernamental.pdfIn PDF document text
- https://vuxulirupam.weebly.com/uploads/1/3/5/3/135346280/3f03a690636aab.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://2791e1c6-719d-47aa-bdc5-1556df251b63.filesusr.com/ugd/7757c5_9201044c4baf47d4aed3201c79561a4f.pdf?index=trueIn PDF document text
- https://0dc5016f-38c0-4e11-84f4-4717e3ef4ec7.filesusr.com/ugd/4fd84c_15f82e6768bf4c27a28b974bd65e2d35.pdf?index=trueIn PDF document text
- http://gosaduzunake.myartsonline.com/49736186976.pdfIn PDF document text
- http://zagofij.onlinewebshop.net/zafubujaj.pdfIn PDF document text
- https://f110cc6a-49d6-427c-9ab6-a3a4d323b004.filesusr.com/ugd/9e53d4_7c5e47bb67ce4436ad78267ffb7e553e.pdf?index=trueIn PDF document text
- https://5ee0d2ad-6486-47ce-ab7d-0e7b2bae4193.filesusr.com/ugd/bc0d1e_4b95748b269a40b48a110d21f0b63616.pdf?index=trueIn PDF document text
- http://vilepobafomunow.atwebpages.com/historia_da_branca_de_neve.pdfIn PDF document text
- https://a9864912-ad24-422b-99f3-2d90f7703507.filesusr.com/ugd/d6af85_9c59644576dc4f6e8ceceb0659811fe8.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_off0000e663.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE663 | 5544 bytes |
SHA-256: fac42d24c0a1cb35417afbce6634ef510e6873e7bd441606e82197106b74519f |
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font_01_sfnt_off0000f92d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF92D | 11536 bytes |
SHA-256: 16fddc120c6d93c8120b4591eb0fbb9dc5e3d9bd42f0705552fafc71290b05a9 |
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