MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is identified as malicious by multiple heuristics and a machine learning classifier, including a critical alert for linking to known malicious redirector infrastructure. The document contains a large number of embedded links, many hosted on disposable domains, suggesting a phishing or malware distribution campaign. While no scripts were explicitly extracted, the presence of numerous external links indicates an attempt to redirect the user to malicious content.
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=if+i+ran+the+circus+pdf In PDF document text
- https://static.s123-cdn-static.com/uploads/4417033/normal_60099c8030c82.pdfIn PDF document text
- https://kabenodetaxixum.weebly.com/uploads/1/3/4/7/134754863/9994642.pdfIn PDF document text
- https://mabobuloxulekev.weebly.com/uploads/1/3/4/6/134692970/gopemem-dadewet-ruwenenageje.pdfIn PDF document text
- https://nepunifanod.weebly.com/uploads/1/3/4/5/134524507/7855732.pdfIn PDF document text
- https://kiziwovoxapi.weebly.com/uploads/1/3/4/6/134617524/7305276.pdfIn PDF document text
- https://kezeminitiwo.weebly.com/uploads/1/3/4/4/134476020/1325841.pdfIn PDF document text
- https://wawenefawopi.weebly.com/uploads/1/3/4/4/134494228/9977082.pdfIn PDF document text
- https://kowirakixodoxe.weebly.com/uploads/1/3/4/4/134467502/bibiwanid.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444885/normal_606b68851bfb7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379606/normal_6003e47917bc2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465935/normal_6069bc0e2a9af.pdfIn PDF document text
- https://fugunizowad.weebly.com/uploads/1/3/4/3/134364761/tomanowixe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457560/normal_601e8143bdebf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4461219/normal_606023d17e3cc.pdfIn PDF document text
- https://zuzivosojix.weebly.com/uploads/1/3/0/7/130775151/lanaloz.pdfIn PDF document text
- https://pupuwovojetisig.weebly.com/uploads/1/3/1/4/131438468/47284e8a91e460.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484363/normal_5fea2b5e7c272.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/kefodek/treatment_of_pulmonary_hypertension_guidelines.pdfIn PDF document text
- https://s3.amazonaws.com/gekojulog/basic_english_words_for_daily_use.pdfIn PDF document text
- https://s3.amazonaws.com/jedaxopopuko/33537745941.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_off00010488.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10488 | 5148 bytes |
SHA-256: 56b1a7679d909297cef1f6a24d87621ad31f3dd0e06ef0f76f9376f171ddc64c |
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font_01_sfnt_off00011609.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11609 | 10964 bytes |
SHA-256: a401b47d57ac8d964b4caffedbe847c5a7fc038b8113422cfe9e1fee92aac40a |
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