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 0.9993
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://pelibifir.ru/strik?utm_term=cuentos+de+eva+luna+isabel+allende+pdf PDF link annotation
- https://wafulezejo.weebly.com/uploads/1/3/4/7/134748518/kukubob-mutas.pdfIn PDF document text
- https://vobudofokivelux.weebly.com/uploads/1/3/4/5/134599261/govokiropete.pdfIn PDF document text
- https://womogidukiwu.weebly.com/uploads/1/3/4/8/134873304/nesibegifa.pdfIn PDF document text
- https://lifunakejeka.weebly.com/uploads/1/3/4/3/134358873/144f36cd5e4905.pdfIn PDF document text
- https://sanepawoja.weebly.com/uploads/1/3/4/5/134579143/6689709.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://55963656-6eb1-4b25-bcd5-bb835d65808b.filesusr.com/ugd/0064ae_a6cfca43b874461cb230ee26f8085a2b.pdf?index=trueIn PDF document text
- https://37bdae34-bb2f-403f-997c-54a7c09d9c06.filesusr.com/ugd/dc98cc_1032fb7095be4f07bc2c78a36146faef.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/ninazarila/english_us_spelling_test_appen_answers.pdfIn PDF document text
- https://661c91a2-68a2-4ae3-aaac-ef96b6cc7894.filesusr.com/ugd/b926a8_37db9c1abad543f8a2212fddd52c919a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zubuwujoxom/chefs_choice_knife_sharpener_4643_instructions.pdfIn PDF document text
- https://6db1e9a2-4282-4636-8d41-de07325ad911.filesusr.com/ugd/d97b38_218ecd6b623f41f8a401e1ceea11e5d6.pdf?index=trueIn PDF document text
- https://e5b7f393-9b83-42c5-a877-5b85c0c772c8.filesusr.com/ugd/77b42d_1bcb3405d3ef493cbc584236cfeae587.pdf?index=trueIn PDF document text
- https://4253c66a-660d-4c83-b31d-f715833d547b.filesusr.com/ugd/d9e9a0_b7e0633d2dc047c39355ee96f6729db9.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gopifu/63703618762.pdfIn PDF document text
- https://4993f9ff-345c-4c03-a8ec-d4f8dac664d6.filesusr.com/ugd/debbe1_ac68588730394be8b6f8e4a6f37bece4.pdf?index=trueIn PDF document text
- https://8641c524-1fb5-4292-87ed-dd72f64d6c22.filesusr.com/ugd/9b7d8a_c3283fd7f8c34638958ca7f83399f9bb.pdf?index=trueIn PDF document text
- https://fccd5518-64e1-462d-9dbe-8d8d8a19ca7a.filesusr.com/ugd/eb005d_808bc9eba3b1456ebc5aa66885d9462e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sulasatevirexo/xaxazititojeno.pdfIn PDF document text
- https://s3.amazonaws.com/donukadizolin/fanuc_cnc_milling_programming_manual.pdfIn PDF document text
- https://e0bfa911-60eb-4c53-bd8d-ceec25156dfb.filesusr.com/ugd/0a052f_a51f256a36f2413cb41a907dbe908fd3.pdf?index=trueIn PDF document text
- https://cc6d8859-fc08-4100-a073-55b48c5addfc.filesusr.com/ugd/238140_0d6eaf7a2fbb4984ad643e9ec1193099.pdf?index=trueIn PDF document text
- https://e1cd7dcf-8988-4be8-9b1a-722367337987.filesusr.com/ugd/6203b9_9e2f0a5b216a46f0b68254e6a6e4f959.pdf?index=trueIn PDF document text
- https://61090d85-22e6-4724-b969-52a17785150c.filesusr.com/ugd/952c2e_d5d5ee6167874f3e8ac73b3254cc4358.pdf?index=trueIn PDF document text
- https://92ddf5cc-4ce7-4caf-b117-8241c553a727.filesusr.com/ugd/42bae0_25d7f21aa45b4eca87658b417ef9445a.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_off0000f30f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF30F | 5044 bytes |
SHA-256: d0d5e47f00580d853a74774e555f89579a7581e9b55646e28ecf90f29b9558f3 |
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font_01_sfnt_off0001044a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1044A | 12176 bytes |
SHA-256: 5111961f66d033797517626a9f04ae99427f8243b8f136713d3594d93b5e0bec |
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