MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous external URIs, with one specifically matching a search query for educational material, suggesting a lure. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further indicates a pattern of hosting many links on disposable domains, consistent with phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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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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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External URI info PDF_URIPDF contains an external URL action
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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://maypoin.ru/award?keyword=intermediate+algebra+textbook+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4449600/normal_5fd65c2673054.pdfIn PDF document text
- http://persequen.com/can_an_illegal_immigrant_get_a_drivers_license_in_utah7ryzy.pdfIn PDF document text
- http://wogivodugakovek.mygamesonline.org/muvop.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408593/normal_5fefb309c5985.pdfIn PDF document text
- http://idealica-italiaufficiale.site/ecommerce_template_html_themeforestaw27t.pdfIn PDF document text
- http://ripugusulufiluj.getenjoyment.net/sc_caste_list_in_punjab.pdfIn PDF document text
- http://veselutut.mywebcommunity.org/99785591188.pdfIn PDF document text
- http://idealica-tufficiale.website/2189157841314fqg.pdfIn PDF document text
- http://mnogoturov.com/accuracy_and_precision_worksheet_grade_72lweg.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445570/normal_5ffd9c7fd0b9a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4479212/normal_6022bddb5d0e3.pdfIn PDF document text
- http://xovijezup.mywebcommunity.org/nexis.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/wulagisi/new_challan_281_in_excel_format.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a962bb86-0592-47a6-b0db-c3cd47a79e22/64536922381.pdfIn PDF document text
- https://50aad03f-9d2a-47e6-be13-abd12f321b17.filesusr.com/ugd/3fd638_a1424d0011db49ad9f15c3b544d26459.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wakuzidi/kakeseketajokulezu.pdfIn PDF document text
- http://jotudokizer.onlinewebshop.net/neil_degrasse_tyson_podcast_joe_rogan.pdfIn PDF document text
- https://4694dce0-4d1e-4c77-b4da-d1f025f82355.filesusr.com/ugd/fb332b_53eb86c7f9c64774a7a5b6d746a6a668.pdf?index=trueIn PDF document text
- https://44f68060-d5e3-4d58-b4e7-e3760392f352.filesusr.com/ugd/49488e_f9539b4cc175494abf541261b5f1c6ce.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/25cfdb8a-e751-46ce-b788-5b671e26696c/zofetolulowomeva.pdfIn PDF document text
- https://s3.amazonaws.com/wazorixekunafob/gediw.pdfIn PDF document text
- https://s3.amazonaws.com/lorerexeg/jomirevatefufukatirumi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d7814c80-3389-49ae-90a2-4a46e8c2b0d0/codecademy_intro_to_javascript_answers.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000defc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEFC | 5180 bytes |
SHA-256: dd0838cf95817ffae380def81efc54f39c973be6988fdfcb8ddbb9094c87601d |
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font_01_sfnt_off0000f07a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF07A | 10636 bytes |
SHA-256: fc05a93a3a718d9b0debe01c0fce282b401d05e729fd6e01565cd6e13478239e |
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font_02_sfnt_off00011482.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11482 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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