MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The presence of a URL with 'utm_term=arsenio+lupin+libros+pdf+descargar' indicates a lure to download pirated content, a common tactic for malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://ketchas.ru/pbw?utm_term=arsenio+lupin+libros+pdf+descargar PDF link annotation
- https://binazinir.weebly.com/uploads/1/3/4/1/134108718/modisisipi.pdfIn PDF document text
- https://jikanozirupeson.weebly.com/uploads/1/3/4/6/134656521/5f05c7.pdfIn PDF document text
- https://nexolibevi.weebly.com/uploads/1/3/4/4/134463206/silofakivaruni.pdfIn PDF document text
- https://risibazizugati.weebly.com/uploads/1/3/4/7/134710005/giwob_samonoxaropami_roludujarevom.pdfIn PDF document text
- https://kimetupuvojum.weebly.com/uploads/1/3/2/6/132680977/boziloponudezo-fajusidutura-bovusetimot.pdfIn PDF document text
- https://jazoruwaru.weebly.com/uploads/1/3/2/7/132710784/muwekovarenixi-mupov.pdfIn PDF document text
- https://tekujutiwud.weebly.com/uploads/1/3/4/2/134234893/531150.pdfIn PDF document text
- https://mitojebani.weebly.com/uploads/1/3/2/7/132711961/midokus.pdfIn PDF document text
- https://lumixiwutetus.weebly.com/uploads/1/3/4/3/134388296/4327251.pdfIn PDF document text
- https://rulodewarozuw.weebly.com/uploads/1/3/4/6/134678260/9114191.pdfIn PDF document text
- https://sikezenubotimer.weebly.com/uploads/1/3/0/7/130739875/6063140.pdfIn PDF document text
- https://semulojera.weebly.com/uploads/1/3/2/6/132695334/042b02.pdfIn PDF document text
- https://xubedemowixur.weebly.com/uploads/1/3/6/0/136004279/bogavudal.pdfIn PDF document text
- https://nevimemiwuje.weebly.com/uploads/1/3/5/3/135332714/kukanebegevig.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lijegazoz.pbworks.com/w/file/fetch/144414087/diary_of_a_street_diva_free_download.pdfIn PDF document text
- http://jizakatum.pbworks.com/w/file/fetch/144488778/3d_printed_house_builders.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/42505db0-90c9-44c6-b9cd-973eb683be49/jajiwemokewevokej.pdfIn PDF document text
- http://nubuzefi.pbworks.com/w/file/fetch/144554442/6th_grade_math_workbook.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3fef3d3a-dfa5-476f-85e3-e35ace6b2ba5/is_gdp_a_good_measure_of_economic_performance.pdfIn PDF document text
- http://naxenuve.pbworks.com/w/file/fetch/144447921/can_a_centipede_bite_kill_your_small_dog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7dd9c269-4acd-47c5-a383-f38f1a4b87bc/18791603074.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_off00010e99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E99 | 5452 bytes |
SHA-256: a4992106e0af5345fc1538f2ece8a9c0818b89214558d61832f1d4ecacbb29c5 |
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font_01_sfnt_off0001212b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1212B | 12284 bytes |
SHA-256: a66f3af129ba7621e254636d51081731b8f76dcc9b6113d64cbf656522dbf556 |
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font_02_sfnt_off00014874.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14874 | 16204 bytes |
SHA-256: c988415812f594187b0a0ed75dc52802e798e1695b49bd300f8412a65040a449 |
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