MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs that redirect to known malicious infrastructure, indicating a phishing or scam attempt. The ML classifier and ClamAV detection strongly support its malicious nature. The document body, though heavily obfuscated, appears to be a lure related to 'algebra 1 quadratic equations pdf', likely to trick users into clicking the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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/award?keyword=algebra+1+quadratic+equations+pdf In PDF document text
- http://lnstagramverifiedsbadgeforms.com/56994294512exybi.pdfIn PDF document text
- http://ogranicbio.space/58572750512mkj1x.pdfIn PDF document text
- https://cdn.sqhk.co/jifigetuxu/Wichas7/zafoka.pdfIn PDF document text
- https://cdn.sqhk.co/dipewoduge/bhjieih/xowigamakavisomopa.pdfIn PDF document text
- http://copyrightshelpscenters.com/que_es_un_plan_de_negocios_segun_autores7aumt.pdfIn PDF document text
- http://pidebuzuvufugi.22web.org/29724092079.pdfIn PDF document text
- http://foyou.store/suzowajudiw53s.pdfIn PDF document text
- https://cdn.sqhk.co/letaziseb/hjjhgfu/dumemuduzakadiginu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://rofanuw.rf.gd/43524093641.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6bcb0712-761e-4084-bdc6-b61fece9da3f/88762718808.pdfIn PDF document text
- https://s3.amazonaws.com/jinabom/89085989251.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b440403c-0490-4f40-966c-65d45c20d7ca/kesaluv.pdfIn PDF document text
- https://22449060-8e30-4723-8828-967625cce342.filesusr.com/ugd/eddc50_162104668bca40cbb06ab4d48e7ba9b6.pdf?index=trueIn PDF document text
- https://1fc3e790-19e1-43b7-bae7-d09a953f51fe.filesusr.com/ugd/2c608b_efc89ed457bd4c6fb705e2752c5130f3.pdf?index=trueIn PDF document text
- http://befakas.epizy.com/ppt_templates_free_2010.pdfIn PDF document text
- https://s3.amazonaws.com/nodetuxapabara/gisexasufuwavorerigumiz.pdfIn PDF document text
- http://zavinawotomuvef.epizy.com/ssk_askerlik_borlanma_formu.pdfIn PDF document text
- https://b2f3f1fb-4f3f-4d5d-be65-f5b10dce6288.filesusr.com/ugd/735189_1cd7d0ad8e8345d29615e6a08392c3f1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c1b01e8a-fd43-4e22-b6e0-828952764f50/72858798795.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/843f82e0-c91f-4e29-a65d-af5316355be7/logitech_harmony_hub_login.pdfIn PDF document text
- https://s3.amazonaws.com/ravuxudibure/should_you_cover_your_outside_air_conditioning_unit.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cd27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD27 | 5632 bytes |
SHA-256: 0e343bb8e8a134cfb26fd4366a848f6722d83de01ca415a2cf89c65bf90427f8 |
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font_01_sfnt_off0000e052.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE052 | 10788 bytes |
SHA-256: c005699d996d2c49329f7d5d7d2685aef5e2a2433ce7dadca9390049f9ec581d |
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font_02_sfnt_off0001058a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1058A | 16684 bytes |
SHA-256: a858ad06ee9285ef990c8ccf5509e6bce71cae8afc7f99ba8a1dcaf33198b628 |
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