MALICIOUS
284
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded URLs, many of which point to disposable hosting or known malicious redirectors, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests a common tactic to bypass gateway security by instructing the user to open a password-protected archive, which is often the next stage of the attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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=axiom+49+factory+reset In PDF document text
- https://cdn.sqhk.co/sarimotel/hbghpjf/unduh_apk_story_saver_for_whatsapp.pdfIn PDF document text
- https://refaxoke.weebly.com/uploads/1/3/4/6/134602084/2286733.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471109/normal_5fdc431767210.pdfIn PDF document text
- https://cdn.sqhk.co/rapowipijes/kxggThb/add_component_one_to_toolbox_in_visual_studio.pdfIn PDF document text
- https://cdn.sqhk.co/tibatojo/gh7igje/4831990633.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471114/normal_6063fd4d516f5.pdfIn PDF document text
- https://cdn.sqhk.co/jimumakevaji/dGnMghy/zoruvotazu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420013/normal_6035eaa82138d.pdfIn PDF document text
- https://cdn.sqhk.co/nuvexajamu/adjajib/6373871174.pdfIn PDF document text
- https://nomabedipami.weebly.com/uploads/1/3/1/4/131437379/beliloxamunilina.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374859/normal_6044d4b4aa534.pdfIn PDF document text
- https://cdn.sqhk.co/tabuguran/eQdOKLB/kudasewibesekosigojiji.pdfIn PDF document text
- http://lujogaw.22web.org/baxobebejonuterivuvini.pdfIn PDF document text
- https://cdn.sqhk.co/sunidoxil/jfqpQeM/to_do_list_application_for_mac.pdfIn PDF document text
- https://cdn.sqhk.co/jowowibow/dBhbCgh/buwoxexifeg.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445107/normal_600f77335c605.pdfIn PDF document text
- https://fotavimapuwe.weebly.com/uploads/1/3/2/8/132816041/1c342d6130.pdfIn PDF document text
- https://cdn.sqhk.co/fejovuwov/i7PghDf/canoscan_9000f_user_manual.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/zatasipezeg/vakexotav.pdfIn PDF document text
- http://luxixeg.epizy.com/bopalekox.pdfIn PDF document text
- https://s3.amazonaws.com/tosego/shoretel_230_headset.pdfIn PDF document text
- https://s3.amazonaws.com/dowadotiju/fnp_vs_nursing_informatics.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_off0000f2fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2FC | 5400 bytes |
SHA-256: 5a7b0811754757b796db126adcc1f0ade2c628be8c8d47d800b52761891eafe1 |
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font_01_sfnt_off00010558.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10558 | 10416 bytes |
SHA-256: 0f1df66076db3b83615b90d8eaba1f84acb5366b67226cf6e27adae0e2b521da |
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