MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded links, many of which point to disposable hosting services and known malicious redirectors. Heuristics indicate this is a malicious redirector and a link farm. The ClamAV detection and ML classifier also confirm maliciousness, suggesting the primary goal is to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://dafemum.ru/strik?utm_term=gumtree+ni+jobs+dungannon In PDF document text
- https://nenejafaf.weebly.com/uploads/1/3/5/3/135393494/6337853.pdfIn PDF document text
- https://ratipixudaxixix.weebly.com/uploads/1/3/4/4/134472160/f1a401c27b4f6ab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403129/normal_603c16a823c39.pdfIn PDF document text
- https://xuvibelatubeni.weebly.com/uploads/1/3/5/3/135306186/5002189.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473384/normal_5fef5eb9746f9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390383/normal_6035e2c5af313.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4406168/normal_603c6ba20e1a7.pdfIn PDF document text
- https://xugasejesakegeg.weebly.com/uploads/1/3/4/6/134617370/9119610.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446494/normal_605f3a7fa35c2.pdfIn PDF document text
- https://gajegewajutop.weebly.com/uploads/1/3/0/7/130739456/kukamiwili.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/52de0c88-4f8e-4049-b5a9-ccde874078ec/konezezozubi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3e5573c0-7139-4a90-bead-f26e8510055e/wolfgang_puck_stainless_steel_1.5-cup_rice_cooker_recipes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/915a39cf-e168-4e17-b497-fb6bf69fc9c7/writing_an_evaluation_plan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef2ea86a-0f95-4475-93b1-6a2ce48b548d/where_do_south_african_names_come_from.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/de9b3b15-7176-467c-8357-f090d88ff83b/best_sites_for_gmat_preparation.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/45738d09-2a4a-4d63-b675-0167a974fe07/bevul.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9d8a6887-337e-4349-8ed3-4f977013a3d4/xibizetudipa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/80ba0749-d65b-49ad-93c4-e8a02d356f69/fundamentals_of_digital_logic_design_roth_and_kinney.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f80e070d-a23f-42aa-8590-94806b4bb36e/57544026687.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c9ab6931-6714-4ead-bb86-1a3dba7f15d9/miller_211_auto_set_manual.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_off0001159c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1159C | 5360 bytes |
SHA-256: 41586f4ed070c757d2eae15680105ceea6d7ed3dc88b1d4a0eaec64e3db2401b |
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font_01_sfnt_off000127b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127B9 | 12260 bytes |
SHA-256: 5dc3d85a13149f7e0c26aad04115419cb6c5d350b0f2c9eddc6831680d4d6560 |
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