MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://dafemum.ru/strik?utm_term=information+dashboard+design+second+edition+stephen+few PDF link annotation
- http://faceit.su/diccionario_catalan_castellanod85se.pdfIn PDF document text
- http://copyrighthelpcentral.com/kenmore_washer_80_series_wont_drain_or_spinqrwr5.pdfIn PDF document text
- http://siditomema.22web.org/52132199178.pdfIn PDF document text
- http://mexicotop.xyz/zosabebufomijijexvh98p.pdfIn PDF document text
- http://bazis-rostov.com/circulatory_system_parts_and_functiontzpd9.pdfIn PDF document text
- http://new-volosi.ru/xivosefivobenw4x04.pdfIn PDF document text
- http://reabook.online/realtek_hd_audio_driver_for_windows_10_19099i3bp.pdfIn PDF document text
- http://carbags.site/80806527901vq66l.pdfIn PDF document text
- http://topsale.pro/duchess_of_malfi_summary_act_1qzzv7.pdfIn PDF document text
- http://voirly.xyz/wonaga06qz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c0a2105b-6e3e-4cea-99b9-04a673ef05b0.filesusr.com/ugd/87b9a8_ef0bf9ac92384953bbc43dfcff227a3c.pdf?index=trueIn PDF document text
- https://264cdfe8-48fc-440e-bff3-938583425051.filesusr.com/ugd/cd20dc_3dc2da1ed8294a059c098e1a14e7f9b8.pdf?index=trueIn PDF document text
- https://64e1471b-64f8-4582-b127-b1692805dd1b.filesusr.com/ugd/507a3d_409ba58de17f404fbc227920c11fd718.pdf?index=trueIn PDF document text
- https://a4758657-6aaa-4003-b0f6-1957e800abfd.filesusr.com/ugd/70c1f8_e7e5da872a6a40dcb18de7a843c6194d.pdf?index=trueIn PDF document text
- http://vuvumotelikev.rf.gd/64731715307.pdfIn PDF document text
- https://19972ee8-34f0-4900-8009-9f590161cd02.filesusr.com/ugd/64db51_c41af967ca69440d8c12310773d49480.pdf?index=trueIn PDF document text
- http://nanojali.epizy.com/50568185021.pdfIn PDF document text
- http://malajusojak.epizy.com/16863498146.pdfIn PDF document text
- https://e809654a-a95b-4dbc-a338-24085255a2f8.filesusr.com/ugd/1b6cec_f013a3c1eb184681a0629c24fc858ec3.pdf?index=trueIn PDF document text
- https://9049409e-dcbb-43fe-b7cb-0f7a5d042cf1.filesusr.com/ugd/e59eee_59aa4d1124df4c7984d284a3133fcd4d.pdf?index=trueIn PDF document text
- https://a4758657-6aaa-4003-b0f6-1957e800abfd.filesusr.com/ugd/70c1f8_506ce01966ae47278a8f8c0226fc64d0.pdf?index=trueIn PDF document text
- https://8bbfbdb8-1895-4472-a1c6-9e834ce25a60.filesusr.com/ugd/7deb27_fab62bf10106451495d53e6c9fe3193b.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
- 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_off0000ce6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE6E | 5708 bytes |
SHA-256: 51d3dc2de47bdf20c0c79d41f6f25bf91954c957328e5cb438d95d5d57136ea5 |
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font_01_sfnt_off0000e1bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1BF | 10800 bytes |
SHA-256: 3fd50c28585a608b0a34e37b0b6453bc4caafe32037e1603265238ac11995feb |
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font_02_sfnt_off00010673.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10673 | 16084 bytes |
SHA-256: 6793135c9d5f2d9402216549edf66541f87ac1c2d7f717693568b2625ec966b3 |
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