MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier, including critical alerts for linking to known malicious redirectors and hosting a large link farm. The document body, though heavily obfuscated, contains text related to obtaining a real estate license, likely serving as a lure. The embedded URLs, particularly the one pointing to dafemum.ru, are flagged as suspicious and likely lead to further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://dafemum.ru/strik?utm_term=how+to+get+a+real+estate+license+online In PDF document text
- http://salleapp.xyz/walls_of_limerick_ceili_dancexsomk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368996/normal_6010e2734d957.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416125/normal_5fdf5369d2b02.pdfIn PDF document text
- http://becloud.website/42552465021palhk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456984/normal_600e064476cda.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417032/normal_606370da2ecf5.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/gezizefefififa/63386651616.pdfIn PDF document text
- https://989eff4c-946f-4221-9817-1a8d60f2082d.filesusr.com/ugd/7edf14_c89313c71f2a41b5bb0bafd05a77bc38.pdf?index=trueIn PDF document text
- https://331e17ce-4321-42a7-89aa-067eaa3daeeb.filesusr.com/ugd/6576ad_f6c50834af964f2fb91fd6fc7deb9e51.pdf?index=trueIn PDF document text
- https://b03e51a8-7171-48c0-94d6-e4c032e6f37f.filesusr.com/ugd/9421c8_87a0ad4ff53b4288a9181bb8b105e3bc.pdf?index=trueIn PDF document text
- https://52aa71f3-9574-4e96-898b-bb16aa893b2c.filesusr.com/ugd/b13a71_7c6fd19667ab470490be975b0a947da2.pdf?index=trueIn PDF document text
- https://e0f910ba-f4aa-4d6b-87f6-24d78cda99ab.filesusr.com/ugd/cc15ef_d5aa49e87c7c41b1a05147d3461e3899.pdf?index=trueIn PDF document text
- https://aed022ca-8a9d-452d-9022-56a74a585a14.filesusr.com/ugd/4d548e_ccc17f479938484c9cf8a51114acee0c.pdf?index=trueIn PDF document text
- https://ed59cdd8-0d75-4634-8bb2-7afdb9da103e.filesusr.com/ugd/9cb112_0794aae2d95b4b6c835effdd2c9a6128.pdf?index=trueIn PDF document text
- https://748e6e98-33e2-4bd1-95aa-01ea3505a154.filesusr.com/ugd/704f6c_bb6026667d8a48cc92881611fe59277f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vonutavekip/10755756005.pdfIn PDF document text
- https://63d876aa-455f-4c41-9c38-50747f3e0b95.filesusr.com/ugd/a220d5_e959db95f0f7458097225004b6e5d0ce.pdf?index=trueIn PDF document text
- https://d6aab468-caab-4d9e-910f-d3bf64ae4104.filesusr.com/ugd/5438e3_410fd0af7f2944409e30d83b1c447caa.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rizijubovapuk/what_does_clarion_mean_in_greek.pdfIn PDF document text
- https://s3.amazonaws.com/kefodek/how_to_clean_hamilton_beach_flexbrew_k_cup.pdfIn PDF document text
- https://s3.amazonaws.com/vitelitubovuluj/latest_adobe_acrobat_reader_for_pc.pdfIn PDF document text
- https://f8e303d0-f350-43d2-b7c3-f886ef13ec25.filesusr.com/ugd/1bb397_73970222678b434ea1cc70c661260a1e.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_off000110ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110EF | 5020 bytes |
SHA-256: 4a702fac2d10e10dcd1120daa42749b52d91f1dfcfeb888e99befe5369c03fd0 |
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font_01_sfnt_off00012226.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12226 | 11488 bytes |
SHA-256: 09e766274c8681fac1da658001ec1b862894ecfd32628f51717576aa771a4326 |
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