MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by multiple heuristics as malicious, including a critical alert for redirecting to known malicious infrastructure. The document contains a large number of links pointing to disposable domains, suggesting a link farm designed to distribute malicious content or phish users. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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 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://yafferge.ru/strik?utm_term=pl+sql+for+beginners+tutorial In PDF document text
- https://cdn-cms.f-static.net/uploads/4416125/normal_6017163c70e73.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4423188/normal_5fef3ca463115.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366973/normal_602875b3ee36b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480595/normal_6023593adec02.pdfIn PDF document text
- http://sait-ok.ru/notepulivorifa4u33l.pdfIn PDF document text
- http://reduslimitalia.website/24675838588vy3vj.pdfIn PDF document text
- https://dipibuwedaji.weebly.com/uploads/1/3/5/2/135293441/rejatu.pdfIn PDF document text
- https://buketopol.weebly.com/uploads/1/3/4/0/134013372/letipafatokesu-xivibalolad-sokuxene.pdfIn PDF document text
- https://jezaxegare.weebly.com/uploads/1/3/1/3/131380636/8080443.pdfIn PDF document text
- https://lorolefe.weebly.com/uploads/1/3/1/8/131871725/4365935.pdfIn PDF document text
- http://idealica-official.website/cricut_joy_user_manual07e7v.pdfIn PDF document text
- https://xuwogufovesuvem.weebly.com/uploads/1/3/1/4/131406895/pilik_nuvisamokujudum.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413004/normal_5fe16e400f79d.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/fukepez/half_hard_brass_sheet.pdfIn PDF document text
- https://s3.amazonaws.com/biwubeleba/fnma_guidelines_on_student_loan_payments.pdfIn PDF document text
- https://s3.amazonaws.com/dozuga/kirtley_roofing_and_sheet_metal.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_off0000e91b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE91B | 5204 bytes |
SHA-256: 5d580f7586bfdee7d65b2132944faa5fc7072907a3e2d8bcedd0045fa9bfaaa7 |
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font_01_sfnt_off0000fade.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFADE | 11012 bytes |
SHA-256: af3a78631d17152a5261928ca80547b70699717f53c958900bd49101c820c2ab |
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