MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, indicating it functions as a link farm or SEO scam designed to direct users to potentially malicious websites. The ML classifier and ClamAV detection strongly suggest malicious intent, with the PDF_SEO_LINK_FARM heuristic highlighting the mass of external links. While no scripts were directly extracted, the presence of external URIs and the overall structure point towards a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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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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://midufefew.ru/award?keyword=el+enlace+covalente+pdf PDF link annotation
- http://nuneriwu.22web.org/tazodewudulumozusunabak.pdfIn PDF document text
- http://supportcopyright.net/jutososososankkh5.pdfIn PDF document text
- https://moduruwili.weebly.com/uploads/1/3/2/7/132710657/jokotuxit-niwusamidofa-suzijolozosaviv-mikupus.pdfIn PDF document text
- https://reborugavuzak.weebly.com/uploads/1/3/4/7/134736286/1035373.pdfIn PDF document text
- https://totiboliz.weebly.com/uploads/1/3/4/8/134897880/2152664.pdfIn PDF document text
- https://lefiletigej.weebly.com/uploads/1/3/4/5/134597596/rebige.pdfIn PDF document text
- http://mklhhhh.space/mcat_past_papers_download_sindhh8pyy.pdfIn PDF document text
- https://vesixogis.weebly.com/uploads/1/3/4/8/134863987/tosuninulumureboni.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/tosevud/54964584505.pdfIn PDF document text
- http://demiwadipojaz.epizy.com/steve_awodey_category_theory.pdfIn PDF document text
- https://711920be-b761-4f0e-a604-762b26663b16.filesusr.com/ugd/ffcbea_6d75db2b5df341f3ae0beb0114c67d73.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mibiwivanetuj/aadhar_card_change_mobile_number_form.pdfIn PDF document text
- http://bumufir.rf.gd/anno_1404_venice_farm_guide.pdfIn PDF document text
- http://waruzav.epizy.com/swimming_pool_maintenance_guide.pdfIn PDF document text
- https://16012499-1299-48b0-8cdd-5f23a7749958.filesusr.com/ugd/fafc38_2db874c03896447d8d3d34f2a8d72aeb.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gafedupeba/of_criminal_history_record_information.pdfIn PDF document text
- http://siwinigap.epizy.com/guide_vtt_beaufortain.pdfIn PDF document text
- http://filubukuwewe.epizy.com/terufizudojinabotaxi.pdfIn PDF document text
- https://f1801c53-b3f5-4b94-a9b3-4bb8eb376a66.filesusr.com/ugd/af633f_5475b212a634424e8f97d635e2689ff9.pdf?index=trueIn PDF document text
- http://sudalutijetiri.rf.gd/dikibofilige.pdfIn PDF document text
- https://s3.amazonaws.com/miwolezedubujoz/bruce_lee_songs_naa_paata_ing.pdfIn PDF document text
- http://vopepogam.rf.gd/asiana_airline_crash_news_report.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_off00010ffb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FFB | 4632 bytes |
SHA-256: 4fcbd4ee27d534d9b84eebe8e45bdc189f4ba8814095524828593d9053acf306 |
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font_01_sfnt_off00011fd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD1 | 12668 bytes |
SHA-256: bf7b96e022c35b520fc0a25a9a7e099e9d45aebbf4d1ba979c0ca26fd1914ee0 |
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font_02_sfnt_off000148cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148CC | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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