MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which are part of a link farm designed to manipulate search engine results. One of the embedded URLs, 'https://inwebjor.ru/pbw?utm_term=download+animes+brasil+para+pc', is associated with malicious activity. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document may be intended to trick users into downloading a password-protected archive, a common tactic for evading gateway security. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://inwebjor.ru/pbw?utm_term=download+animes+brasil+para+pc PDF link annotation
- https://static.s123-cdn-static.com/uploads/4499636/normal_60036328052d2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483338/normal_6011eeef846b7.pdfIn PDF document text
- https://wemavejuza.weebly.com/uploads/1/3/4/6/134689468/firepulixor_gelaxujirenuw.pdfIn PDF document text
- https://gofizunesiwez.weebly.com/uploads/1/3/0/8/130874053/78bc1a05.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484114/normal_603a80eeb5dd6.pdfIn PDF document text
- https://pokuzasovud.weebly.com/uploads/1/3/4/1/134108684/minujidifowofabodufa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456135/normal_605dc9b5c1d71.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385647/normal_5fcf699c2828d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/6bab56ed-dfe9-4a49-8ea1-526123d141d2/how_to_find_adobe_cs3_serial_number_on_computer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a8858b11-5eb2-47ed-a62d-e69fed8cbec8/totomamudefix.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/07c1cd2c-b1fa-48da-afe3-174685381e5c/integrated_math_3_test_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7325f8c7-5336-4f98-971f-d73c7373e899/kufuzenizi.pdfIn PDF document text
- http://taxexuwej.pbworks.com/w/file/fetch/144455244/42222668807.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8fdd5b55-f8c1-4596-a99f-80fa975be94f/jusamakikipivalurer.pdfIn PDF document text
- http://rabopadob.pbworks.com/f/how_do_you_play_happy_birthday_on_the_piano_easy.pdfIn PDF document text
- http://ronefete.pbworks.com/w/file/fetch/144511329/kujapazesevifafomuwake.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3451c866-e4ec-4054-bbf1-92e880e4c46b/wukujukidafabure.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c641a9a9-83a8-48cd-93e4-ada104401592/happy_birthday_instrumental_guitar_mp3_download_mr_jatt.pdfIn PDF document text
- http://bupataved.pbworks.com/w/file/fetch/144427641/44441507535.pdfIn PDF document text
- http://negovijalulu.pbworks.com/w/file/fetch/144418512/32413960523.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e65a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE65A | 5452 bytes |
SHA-256: d6f73d11a660b129d17d5120d85291508fe244454e45f63335cc9da1f1916ba8 |
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font_01_sfnt_off0000f8da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8DA | 12944 bytes |
SHA-256: 5993cebfda1ab00aad4f49890a6e39470c18d3fd16da1d3a5539b8b0f6e57899 |
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