MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to external PDFs hosted on disposable domains, indicating a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure, suggesting a phishing or malware distribution intent. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://crophysi.ru/wix?keyword=anthem+characters+and+descriptions In PDF document text
- https://cdn.sqhk.co/jogepirar/jcO52Cb/18913736782.pdfIn PDF document text
- https://nuzuloluxeguvox.weebly.com/uploads/1/3/4/8/134874948/9640526.pdfIn PDF document text
- https://cdn.sqhk.co/gubujurit/jjkygh6/joxibifovezamib.pdfIn PDF document text
- http://dronextactical.xyz/28372017188rmt3t.pdfIn PDF document text
- https://molujeridinu.weebly.com/uploads/1/3/4/4/134400438/5765362.pdfIn PDF document text
- http://opensoda.pro/sigetadewagijirso03n.pdfIn PDF document text
- https://guvoladedesu.weebly.com/uploads/1/3/1/4/131453897/4f7f851a3bb3c0.pdfIn PDF document text
- https://cdn.sqhk.co/xagunetoxa/jjia4hj/nigikitu.pdfIn PDF document text
- http://onlinetyz.xyz/62561383158a8171.pdfIn PDF document text
- https://marikikugawu.weebly.com/uploads/1/3/5/3/135326377/kigubowi.pdfIn PDF document text
- https://rajitogo.weebly.com/uploads/1/3/4/3/134377965/lemoxek.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/11e9d893-11b4-4643-87c4-27f3af6d269f/bonidisenufe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d1e2db4-f6f2-40ee-8387-8936a9884c45/sujapesaril.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea5dc5c5-81e8-4686-b146-350953dbe48d/que_es_ficha_biografica_ejemplo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7b20504f-d4ca-4745-acd3-3097e4711753/pudos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af7270c5-4aa7-4b02-af76-48aa114f2f42/how_to_operate_ge_convection_oven.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e885e8b6-7c26-459f-817e-8d5f793ad308/how_to_start_a_bread_bakery_business_in_south_africa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/672f5c08-d1b4-45b3-b54e-80c9b72b0a68/31094883907.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_off0000d630.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD630 | 5272 bytes |
SHA-256: 16860262f199423ebdfbf9a90dde823d6fd019948ae07bb032fb0ed23b7c74a2 |
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font_01_sfnt_off0000e7ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7EF | 10192 bytes |
SHA-256: 0a5ad98210ec888c52ceea302a78807a8b979c6e77068da7364c5d592dca8214 |
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