MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic confirm the attack pattern of directing users to potentially malicious external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://nipisod.ru/strik?utm_term=que+es+destilaci%25C3%25B3n+2+ejemplos PDF link annotation
- http://ndfnasg.xyz/11757279512tcvzg.pdfIn PDF document text
- https://vuvowopivuvi.weebly.com/uploads/1/3/1/4/131410126/1882463.pdfIn PDF document text
- http://siankaanmexico.com/bibaho_obhijaan_movie_all_song6ks52.pdfIn PDF document text
- https://cdn.sqhk.co/bitowiso/wLibLq0/19300698204.pdfIn PDF document text
- https://gazobibulome.weebly.com/uploads/1/3/4/7/134775133/fuzamokir.pdfIn PDF document text
- https://cdn.sqhk.co/kezixowog/cjijd1c/45588222853.pdfIn PDF document text
- http://2020coupons.info/tulusoripekoraxubodozesizdx7p.pdfIn PDF document text
- http://wusujobarowi.22web.org/rovuzagujadagedif.pdfIn PDF document text
- https://cdn.sqhk.co/zibojaje/bighgdW/sample_format_of_affidavit_of_no_complaint.pdfIn PDF document text
- https://jotulamopusojo.weebly.com/uploads/1/3/4/4/134465369/4eab6746f39f1.pdfIn PDF document text
- https://cdn.sqhk.co/vizelupavew/jfmjcih/2873245535.pdfIn PDF document text
- http://edayafar.xyz/blakesley_hall_primary_school_uniformysps2.pdfIn PDF document text
- https://lerekisisag.weebly.com/uploads/1/3/1/4/131408666/faseb.pdfIn PDF document text
- https://bumipavadawafez.weebly.com/uploads/1/3/2/7/132710759/rasovevuzusurugus.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://cc4f1b1a-08c7-467e-bb5a-e3073ad8caf1.filesusr.com/ugd/ffc175_b93b148feb8a49599b01f3fb61be7046.pdf?index=trueIn PDF document text
- http://toberijalija.rf.gd/42205689537.pdfIn PDF document text
- https://ac614e2c-2e00-43e4-a80f-2c6bce9fb64b.filesusr.com/ugd/f103bb_e3e8f262d71b42148fd7bd4830625853.pdf?index=trueIn PDF document text
- https://dbb1fad9-9c05-458f-9e32-bc0b7f65d7ec.filesusr.com/ugd/451461_a24600725a544374967c30782ada680e.pdf?index=trueIn PDF document text
- https://9f53eded-325d-4e02-8430-7c09bd872488.filesusr.com/ugd/e04405_b991e93e81384b27a2924ce28f2f051b.pdf?index=trueIn PDF document text
- https://d427386d-3434-45d9-8802-370857a594f4.filesusr.com/ugd/accd1f_fba3af3f63884c0b99cfaf78cfd45a59.pdf?index=trueIn PDF document text
- https://1c019786-7048-4615-837a-ae53f087c4ae.filesusr.com/ugd/8b4172_00a132458fbb40dfa635843a510c9cc4.pdf?index=trueIn PDF document text
- https://cda84be5-0c54-4c05-8389-97bb004c798d.filesusr.com/ugd/fa9f00_dc07ada834b545589f45bd33647cc23f.pdf?index=trueIn PDF document text
- http://wubifut.rf.gd/bosch_serie_4_wan28150gb_8kg_manual.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_off0000e729.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE729 | 5408 bytes |
SHA-256: b530560aa0de455ec6ef542a591d94e042a8738d5e1b3c4b2437e1d09ada7a7b |
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font_01_sfnt_off0000f939.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF939 | 11160 bytes |
SHA-256: 7e99b94625cbe8c2ea640dcc8b52765cf3bc935da3b8fdedb8c30a136c6499bd |
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font_02_sfnt_off00011d7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D7C | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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