MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier. It contains a large number of embedded links, many pointing to disposable hosting or redirectors, suggesting a link farm or phishing attempt. The primary malicious URL identified is https://crophysi.ru/123?utm_term=new+orleans+clarinet+sheet+music.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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/123?utm_term=new+orleans+clarinet+sheet+music In PDF document text
- https://matixibufi.weebly.com/uploads/1/3/0/8/130873880/6a8d2.pdfIn PDF document text
- https://wozizagozesa.weebly.com/uploads/1/3/4/8/134848764/batokov_nilekopifutogo.pdfIn PDF document text
- https://xixunogada.weebly.com/uploads/1/3/4/3/134343035/8238030.pdfIn PDF document text
- https://muzufuwuvul.weebly.com/uploads/1/3/2/3/132302955/42aa8696fd668.pdfIn PDF document text
- https://cdn.sqhk.co/gorokipo/ojciage/lightroom_cc_app_download_for_android.pdfIn PDF document text
- https://mikugixu.weebly.com/uploads/1/3/1/4/131438693/2083304.pdfIn PDF document text
- https://fajesafopumusid.weebly.com/uploads/1/3/1/8/131871419/7880471.pdfIn PDF document text
- https://cdn.sqhk.co/bularalunop/hwnij15/business_superstar_idle_tycoon_mod.pdfIn PDF document text
- https://cdn.sqhk.co/bunigenozav/ijzSsie/knight_rider_cast_season_1.pdfIn PDF document text
- https://sixonawujow.weebly.com/uploads/1/3/4/3/134369174/269321.pdfIn PDF document text
- https://kokubexajaluk.weebly.com/uploads/1/3/2/6/132681668/sezodiboxi.pdfIn PDF document text
- https://cdn.sqhk.co/zadexona/cijicp1/guide_to_agent_dashlane.pdfIn PDF document text
- https://xedowekogo.weebly.com/uploads/1/3/4/6/134609622/8247737.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d1897088-ef6e-4b60-8303-910b4b551fc1.filesusr.com/ugd/4cfbbd_104e8d32f8c44503a90e63bf20022e81.pdf?index=trueIn PDF document text
- https://37bdae34-bb2f-403f-997c-54a7c09d9c06.filesusr.com/ugd/dc98cc_d0e5312ade5c4c9e9666d899a676867a.pdf?index=trueIn PDF document text
- https://141ebdc9-a3c9-4c6d-b8f9-366dbf139dec.filesusr.com/ugd/46bfb0_7d88968eedac472d802a7068b1302e27.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/midipes/solving_polynomial_inequalities_worksheet.pdfIn PDF document text
- https://13cfbe10-32e4-4d7a-9072-8dbd3280e6b8.filesusr.com/ugd/994e9e_5b00d2b71107464488906e3c430f5252.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tixedujegibex/radiwuwilamajajoximiwosim.pdfIn PDF document text
- https://86b7bb9a-6a0b-496c-a062-e8aa60c365d0.filesusr.com/ugd/dcf311_d16b10f3bdf449ceb8660ab9f5cfe0c3.pdf?index=trueIn 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_off0000e644.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE644 | 5100 bytes |
SHA-256: 3dc4cc57ac3e12b90ce07f530e8b576d4c50fa9910e892b253b030fda83f8314 |
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font_01_sfnt_off0000f788.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF788 | 10748 bytes |
SHA-256: 7c81ef193da860116b965d058f93e08f84bbf9a722b04ebd0ba8edaf58067d3f |
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