MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a large number of external links, suggesting it functions as a link farm, potentially for SEO manipulation or to distribute further malware. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://infrive.ru/pbw?utm_term=paralysis+tick+tourettes PDF link annotation
- https://cdn-cms.f-static.net/uploads/4449616/normal_603519df13ce1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4444092/normal_5fdea292b4295.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446283/normal_5ff11f43988c9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387702/normal_6039b5609a17a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426090/normal_5ffdae8c627da.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4502870/normal_60689bec88357.pdfIn PDF document text
- https://bizotimugir.weebly.com/uploads/1/3/1/1/131164076/rilipi-jiguk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465685/normal_602af16010787.pdfIn PDF document text
- https://lakujasoramaw.weebly.com/uploads/1/3/4/4/134400634/jejiredimaxo-mixagemuj-wesuxut-farixi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393179/normal_5ff48ddbd5e61.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446921/normal_5ff17c1bafdfd.pdfIn PDF document text
- https://vujebitaj.weebly.com/uploads/1/3/4/7/134759162/078394c1e8bc55b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385421/normal_60199729563af.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482190/normal_6044d02b18753.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384028/normal_6013226af0888.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4415055/normal_60b3d1c55181d.pdfIn PDF document text
- https://xabetujozuveko.weebly.com/uploads/1/3/4/6/134682227/sumekavuzaz.pdfIn PDF document text
- https://siwetoro.weebly.com/uploads/1/3/0/8/130814297/bofaf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/702c511a-4f9b-4074-9c65-eebb3abe6ddc/the_collector_movie_1965_cast.pdfIn PDF document text
- http://larabefejaji.pbworks.com/w/file/fetch/144485763/zusatufililaje.pdfIn PDF document text
- http://nukuxim.pbworks.com/w/file/fetch/144528882/90889295423.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dd1f1d6c-d3af-4c1e-8091-1b12598ef8a4/25299726457.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/70a24e3d-5e3e-47d1-8b0d-8a35ecd1f443/terry_pratchett_reading_order_reddit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea3b3108-b622-406d-9efa-0a6d650d69ad/zarojijekovuvujivut.pdfIn PDF document text
- http://gijorugisaw.pbworks.com/w/file/fetch/144512736/vemalesurugatutalumaz.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA80 | 4960 bytes |
SHA-256: 6980f3554f26a02a401caf281c4d2e3642fb394be67836697fadcb29667995c0 |
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font_01_sfnt_off00010b76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B76 | 13944 bytes |
SHA-256: e420abe3147b5120f540a01bebd18daa6cb587397bdc00e020ee9073cfd70960 |
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