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://maypoin.ru/strik?utm_term=2+step+inequality+word+problem+examples PDF link annotation
- https://cdn-cms.f-static.net/uploads/4382976/normal_60413d30b83f3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365539/normal_6059866a8a1e5.pdfIn PDF document text
- https://vekosakebasagi.weebly.com/uploads/1/3/4/7/134743747/xeboniwopototuri.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416132/normal_6032bd8eb9a0d.pdfIn PDF document text
- https://fusarutuzazeni.weebly.com/uploads/1/3/5/3/135346017/5aa91c8b6e2bc.pdfIn PDF document text
- https://sumejuloluguwir.weebly.com/uploads/1/3/5/3/135390827/fupikexefi-xusesuginiz-dilut.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409421/normal_603231d27b5b6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368488/normal_604638e1eea01.pdfIn PDF document text
- https://jovonawokemurif.weebly.com/uploads/1/3/4/6/134678447/7594464.pdfIn PDF document text
- https://zopatiselinijil.weebly.com/uploads/1/3/4/7/134758238/zigesi-ropaxawozovode.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471467/normal_602140db930b7.pdfIn PDF document text
- https://wutupebepa.weebly.com/uploads/1/3/3/9/133997315/f72f65f.pdfIn PDF document text
- https://juxapokidopelif.weebly.com/uploads/1/3/1/6/131606881/321300.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/c8494e11-875a-4106-9426-b1697f810c38/mastering_chemistry_chapter_8_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/652713c4-ff41-4ca3-b682-0a21dd28b3d7/senco_nail_gun_repair.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c15fe59-0a83-42eb-a37c-61c9d57a64db/65029517425.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fa9e44cc-81ae-4207-9b3a-9e6bbad9f13c/48830892459.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/473e87b7-e02b-4988-821c-06f3869983e6/casio_g-shock_ga-110gb-1adr_g339_watch_price.pdfIn 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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f308.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF308 | 5552 bytes |
SHA-256: c9868bb36c0cc612c7776546f61fe0ebf37eb3502222f158d41fa4e0eb179c9e |
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font_01_sfnt_off000105d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D5 | 11108 bytes |
SHA-256: b3e69975e31d0cf6a15a07e824e1d1ad9a69c72530a573fde27ac4665964f7e2 |
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font_02_sfnt_off00012c2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C2B | 16060 bytes |
SHA-256: 84d5bd19c210eb3b73ecc14096ab1e56fdfb5b80ce7ba4f0052c67c0c2b02727 |
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font_03_sfnt_off000140be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140BE | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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