MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains a link farm with numerous external URLs, many hosted on disposable domains, suggesting a SEO-based spam or phishing campaign. The document body, though heavily obfuscated, contains text related to a 'human body review worksheet', likely a lure to entice users to click the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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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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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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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://golowaki.ru/wix?keyword=human+body+review+worksheet+answers PDF link annotation
- https://pilidikuvitas.weebly.com/uploads/1/3/4/7/134766888/xiwomobizu_jadebexub_vofuzomulareto.pdfIn PDF document text
- https://cdn.sqhk.co/pisomuma/KShbif7/batanazunafebuzexutifobi.pdfIn PDF document text
- https://cdn.sqhk.co/zusisoko/jTjc6gi/fotijafodutamazuvex.pdfIn PDF document text
- https://mefupawex.weebly.com/uploads/1/3/4/3/134317460/d6e8391963151b.pdfIn PDF document text
- https://cdn.sqhk.co/sevijeruba/zPhhhaT/minerva_mink_fanart.pdfIn PDF document text
- http://nakekizedexu.getenjoyment.net/77753294462.pdfIn PDF document text
- https://falototadapi.weebly.com/uploads/1/3/3/9/133989324/52b801617bba27.pdfIn PDF document text
- https://fikozipe.weebly.com/uploads/1/3/4/8/134887908/dabejewozo-josekividuzi-wasawiwekoluv.pdfIn PDF document text
- https://cdn.sqhk.co/makulowujip/iegjFeb/bbc_radio_1_top_40_chart_singles.pdfIn PDF document text
- https://cdn.sqhk.co/womafafowix/p3zWiKg/nilar.pdfIn PDF document text
- http://zegererevez.medianewsonline.com/vujitibijezudigosuderi.pdfIn PDF document text
- https://cdn.sqhk.co/mitajaso/Ujehhd9/19053309941.pdfIn PDF document text
- https://cdn.sqhk.co/nuzifixe/ehilEie/black_survival_chiara_route.pdfIn PDF document text
- http://lilubaxubaxulu.sportsontheweb.net/88995419317.pdfIn PDF document text
- https://tabolejujabolo.weebly.com/uploads/1/3/2/6/132682899/7111270.pdfIn PDF document text
- https://cdn.sqhk.co/fegojujor/JjjijJr/87256656774.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/bagisi/philips_norelco_shaver_5940_manual.pdfIn PDF document text
- https://s3.amazonaws.com/medaliwifufugel/lilamiwesabir.pdfIn PDF document text
- https://df1882fa-13c5-42f1-8438-577935b594b9.filesusr.com/ugd/91932b_38ee70544adf4567814f9e3a31649984.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jukoxisojow/oster_regency_kitchen_center_repair.pdfIn PDF document text
- https://s3.amazonaws.com/vibuvomomuv/national_information_centre_of_earthquake_engineering.pdfIn PDF document text
- https://87164119-88a6-4d6d-a72f-b109cf2d88b9.filesusr.com/ugd/bd0a66_d41c2b9204724d989d3aa59fabac6108.pdf?index=trueIn PDF document text
- http://rigidafavubo.myartsonline.com/action_bible_games_online.pdfIn PDF document text
- https://b5f169ef-6bcf-4d19-a24b-32bdc9dd7a5f.filesusr.com/ugd/2e79a6_bd7e965b73184e7db2354842acc338a5.pdf?index=trueIn PDF document text
- https://8e12fe21-47c1-448c-af9e-883e7c84523b.filesusr.com/ugd/52ac5e_e85cc0cbbf4048df96efc9eaf8f93226.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_off0000cf45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF45 | 5452 bytes |
SHA-256: e8347fb5dd8b5c4c7748b2c15e9cb062b2f663c53e3792ee4246f55d3f13318c |
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font_01_sfnt_off0000e1b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1B0 | 10748 bytes |
SHA-256: 578566b4a140e77959a3b3a497158494326d65c9f29dc79bfbf178728e73ef29 |
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