MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical alert for linking to known malicious redirector infrastructure and a link farm on disposable hosting. The document body contains garbled text, suggesting it is not intended for human consumption but rather as a container for the malicious links. The presence of numerous links to external PDFs hosted on various disposable domains indicates a likely SEO poisoning or redirection campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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 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://ggtraff.ru/strik?utm_term=how+long+is+thawed+chicken+good+for
- https://nuzolegan.weebly.com/uploads/1/3/4/5/134576582/7540865.pdf
- https://cdn-cms.f-static.net/uploads/4392451/normal_5f9b860572f15.pdf
- https://gutasoleniv.weebly.com/uploads/1/3/4/4/134481560/romub-tuneke-vazukamu.pdf
- https://livabawixegi.weebly.com/uploads/1/3/4/3/134320323/3338310.pdf
- https://nevonanopovew.weebly.com/uploads/1/3/4/3/134335048/273738.pdf
- https://cdn-cms.f-static.net/uploads/4382209/normal_5f966cdc3f36b.pdf
- https://daxatuvumuna.weebly.com/uploads/1/3/4/8/134863787/97cbd2563a4be.pdf
- https://notaxivarem.weebly.com/uploads/1/3/4/6/134633458/4161067.pdf
- https://fabuxitewuf.weebly.com/uploads/1/3/4/3/134349615/9948062.pdf
- https://cdn-cms.f-static.net/uploads/4367646/normal_5fa7c30e76f96.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/e38e6ba9-035e-4fd7-be05-2b2636584416/41476081305.pdf
- https://s3.amazonaws.com/pusori/84277182771.pdf
- https://s3.amazonaws.com/dabatisew/litosapar.pdf
- https://uploads.strikinglycdn.com/files/722e7d6d-8384-43c5-95eb-cea6992978d9/r-m269_native_american.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c90e.bin7eb1398cd9d70a7a5aa88db228df921eefb1fce776b9115bc32f2e350b1a0112 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC90E | 5400 bytes |
font_01_sfnt_off0000db7b.bin5373603b66b2dbd05c743caa0a220d0737d5e374c4aaed7b22c205a52a1c7937 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB7B | 10020 bytes |
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