MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://soxebez.ru/123?utm_term=balsa+wood+glider+plans+pdf PDF link annotation
- https://cdn.sqhk.co/letarezetap/hbibhgc/87528995614.pdfIn PDF document text
- http://plafond.xyz/ejercicios_con_numeros_primos_y_compuestosrpc70.pdfIn PDF document text
- https://cdn.sqhk.co/virurewev/hiidjeK/juziruzuxijikebinopoze.pdfIn PDF document text
- https://cdn.sqhk.co/mojuzizimu/oDqyhjT/wesapujitixukoxivemu.pdfIn PDF document text
- https://nedosadowizo.weebly.com/uploads/1/3/5/3/135347652/6c7a41815.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4472481/normal_5fca7034ad5c2.pdfIn PDF document text
- https://cdn.sqhk.co/xusezasaj/geo4jjg/janusosagov.pdfIn PDF document text
- https://nuguzawopaji.weebly.com/uploads/1/3/4/0/134040365/4940337.pdfIn PDF document text
- http://idealica-columbia.site/divinity_original_sin_guidex4fem.pdfIn PDF document text
- https://nukarefu.weebly.com/uploads/1/3/4/1/134131348/piwaluxaga_mowowerosulez_vofiruvapeposa_javunuvokiga.pdfIn PDF document text
- https://tuwavufubuxa.weebly.com/uploads/1/3/3/9/133997694/cc0593cdd0cf5.pdfIn PDF document text
- http://hdsamara.ru/korudicojmx.pdfIn PDF document text
- http://rineset.xyz/80560147499rn439.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458848/normal_60217f9d4cd7c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://2489a575-72f7-492f-b117-28cfe4a4d2a3.filesusr.com/ugd/d81705_c73340dfe678495b819b0f1e0065b3aa.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3979d4f2-bd28-43d8-b798-4d7634a24018/41981777528.pdfIn PDF document text
- https://694dae7a-2033-4a59-8b06-91ff4eec0774.filesusr.com/ugd/e1d58f_11c0db156d8941859162f4e606ce5782.pdf?index=trueIn PDF document text
- https://a8a2d6b8-6248-42a0-90a4-e25e421c2e59.filesusr.com/ugd/f63f29_0a5fc667a00144d4813ccc1264a6f5eb.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ddae429d-ab8f-4e47-85a0-a9902c42b0f4/fedevofusoxegesexab.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e6e8e930-aa63-4981-8168-7eed23f30583/14415829980.pdfIn PDF document text
- https://2a6c20f5-091f-48b5-a5be-bf749919b1f6.filesusr.com/ugd/3794ad_decda0ed1e7e492481f4bbf64dd03a9b.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_off0000f6a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6A6 | 5348 bytes |
SHA-256: 2c5a6cc61effbadf3a4d097bff81d3da3bf9b7f66be8b191d38469542d9e3f34 |
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font_01_sfnt_off000108f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F6 | 10836 bytes |
SHA-256: 51db4163977b9c8ae0ed1d4f5adc358867e2328b9f780b60ea954e01e04ee43f |
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