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 0.9996
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://zajinet.ru/award?keyword=capitalizing+proper+nouns+worksheet+pdf PDF link annotation
- https://cdn.sqhk.co/batumozi/dxeheia/butajixad.pdfIn PDF document text
- https://cdn.sqhk.co/wevexifimur/amEgfWx/dining_room_ideas_small.pdfIn PDF document text
- https://cdn.sqhk.co/kixikeli/4je9jhj/5074405564.pdfIn PDF document text
- http://vemifamikoni.iblogger.org/estatuto_del_abogado_actualizado.pdfIn PDF document text
- https://cdn.sqhk.co/mikedeto/06ljhhe/41156610207.pdfIn PDF document text
- https://cdn.sqhk.co/nomavunut/4HicCvk/tinder_lite_apk.pdfIn PDF document text
- https://cdn.sqhk.co/beledufe/jwigphd/hockey_jerseys_custom_canada.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/sezebepit/waxipusixirodabenekite.pdfIn PDF document text
- https://eb9d0a7c-f241-4274-9260-18def620c3fd.filesusr.com/ugd/796b85_bdbdfd3a7ea14f6cb75c0054c2cfb984.pdf?index=trueIn PDF document text
- http://parubupo.epizy.com/turunokobonajememusesifa.pdfIn PDF document text
- http://faxanudof.epizy.com/v_s_letter_whatsapp_status_video.pdfIn PDF document text
- http://gapefixuwaxa.epizy.com/waybill_template.pdfIn PDF document text
- https://e0eedba4-cf99-4c42-97f5-d3f9ae5832dd.filesusr.com/ugd/e36ea7_53bc091119d74dcdb33f384c42894b27.pdf?index=trueIn PDF document text
- https://99ca13e2-8bf0-45b2-93fa-bbfb519f101f.filesusr.com/ugd/5392be_f541afce38124275b5bf9d8618a3b1f7.pdf?index=trueIn PDF document text
- https://8f6f9f04-f977-4239-955d-f6aecf2dd879.filesusr.com/ugd/81cd61_7a16f199b4d94b4390a0a4283124d92c.pdf?index=trueIn PDF document text
- https://3c1efe6f-6e34-41bb-a2c4-2be85dd3cb33.filesusr.com/ugd/41f880_a9f200f5b7804ab487ea276d0a211520.pdf?index=trueIn PDF document text
- https://c941d99d-b58b-4215-81ce-525e38db2b81.filesusr.com/ugd/2dc4cf_900f32b0e21143d98f9aed574c40cf58.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zuwosil/fifiditajawifu.pdfIn PDF document text
- https://s3.amazonaws.com/retisovojor/77317344293.pdfIn PDF document text
- https://s3.amazonaws.com/zifozujiwi/mikorureweximijurivab.pdfIn PDF document text
- https://ff743420-c5e2-4527-a456-70ddb2a1abd8.filesusr.com/ugd/5178f2_f4d75281c346488cbf7c2b843cf620a0.pdf?index=trueIn PDF document text
- https://828c6a01-da61-4814-986a-f72e64f4f334.filesusr.com/ugd/cdfdba_028d2d8ead9e4d2191cc47031d712c80.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_off0000eb0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB0B | 5412 bytes |
SHA-256: a73ef98840e5b32df01d8d68e4c46e36918fa6168aaff2fdab92449944c2234a |
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font_01_sfnt_off0000fd88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD88 | 11304 bytes |
SHA-256: 0f9af4d5da347c63e384baa0196259b5ca76a84661eb33153e4926e34be8d37e |
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