MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file exhibits characteristics of a phishing or malware distribution lure, as indicated by the 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. It contains numerous external links, with the primary one being 'https://maypoin.ru/123?utm_term=luv+letter+piano+sheet+pdf', suggesting an attempt to redirect users to potentially malicious content. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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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/123?utm_term=luv+letter+piano+sheet+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4419629/normal_60149243895a9.pdfIn PDF document text
- https://cdn.sqhk.co/dukasavubu/hhghijK/rezesuwuzuxamodo.pdfIn PDF document text
- https://cdn.sqhk.co/pabelewexo/geGRbhd/bubito.pdfIn PDF document text
- https://kesozelakix.weebly.com/uploads/1/3/5/3/135300748/vimivoniluleno_rikev_jafurironujomi_ziwazuvo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368474/normal_60279a713ce48.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462065/normal_5fda3a8df1a67.pdfIn PDF document text
- http://derilezin.sportsontheweb.net/85623089489.pdfIn PDF document text
- http://motubudasuvapan.medianewsonline.com/applied_mathematics_modelling.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370266/normal_5fe1cd8ab62f2.pdfIn PDF document text
- https://cdn.sqhk.co/wubejiwixu/icjjdij/2739050543.pdfIn PDF document text
- https://buwavazazaradig.weebly.com/uploads/1/3/3/9/133999961/wutabigupimulesex.pdfIn PDF document text
- http://fuxisileza.mywebcommunity.org/50129030131.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4472773/normal_5ff8b1bf48a5c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413719/normal_600dda2031571.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/ef62668e-fce9-43f6-ab60-6a3ce07fd37d/sp_racing_f3_evo_brushed_flight_controller.pdfIn PDF document text
- http://fozozip.onlinewebshop.net/zunupudifit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5cdc72f3-a2bb-497a-94d0-782407ad1327/resufezuvijexewob.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2131d57b-f627-44d9-89ca-edb6b5767d4e/fijosopobapigi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6d3b703b-6f48-42be-98a1-539d06c1d4a5/81854755115.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4918a628-ee5b-4258-b37e-349e4224a01f/miguw.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB63 | 5012 bytes |
SHA-256: f5de7c33b73c1c77f7ab1abdb5fec414a2a99aa88622f9903d85503f60c364d9 |
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font_01_sfnt_off0000ec66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC66 | 10848 bytes |
SHA-256: 9903d24a980c4b1a3a63538272d922215c3709fda590dd760499a1278e0ddcb9 |
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font_02_sfnt_off00011191.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11191 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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