MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to disposable domains and presented as part of a link farm. The document body, though heavily obfuscated, contains text related to 'world health organization breastfeeding guidelines' and is generated by wkhtmltopdf, suggesting a deceptive SEO or content-scraping tactic. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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://dugedepap.ru/123?utm_term=world+health+organization+breastfeeding+guidelines PDF link annotation
- http://igcopyrightforhelps.com/145922572804bzxn.pdfIn PDF document text
- http://fastnoutservice.ru/sogefemapobeguwamiy2dyo.pdfIn PDF document text
- http://help-copyrightviolationhelpcenter.com/zoweseriwuritesunepipzrv69.pdfIn PDF document text
- http://laithub.pro/32630216826k5ew2.pdfIn PDF document text
- https://rapowude.weebly.com/uploads/1/3/1/4/131454581/232f1.pdfIn PDF document text
- https://rolafaxamowoti.weebly.com/uploads/1/3/4/9/134903079/15bd97745270.pdfIn PDF document text
- http://onlineeshop24.xyz/12173488971v8ig3.pdfIn PDF document text
- http://vknart.xyz/analog_synthesizer_tutorial872ze.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467581/normal_604c9768a68c7.pdfIn PDF document text
- https://wezalowesugalu.weebly.com/uploads/1/3/2/8/132815960/d47ea213026a3.pdfIn PDF document text
- https://vosuzupitozom.weebly.com/uploads/1/3/5/3/135313705/vopejuxefirusak.pdfIn PDF document text
- http://hookup757.fun/blank_monthly_calendar_template_freejjkec.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474445/normal_60138b3092a60.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/5ad2a042-6a17-4815-a1da-bf8554d6460f/bifaselix.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4eb5845e-6ef5-4b8b-baf5-3f07fab419b2/lord_i_need_you_chords_matt_maher.pdfIn PDF document text
- https://s3.amazonaws.com/sepawi/comment_charge_oshenwatches.pdfIn PDF document text
- https://s3.amazonaws.com/fejenijovekozu/51179901882.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f8bb46a-1630-47af-bec4-d7e5b5995b3a/esa_essential_facts_about_the_computer_and_video_game_industry.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9c66f2cb-5207-44ff-bd36-3e515df330da/wixixurovuxedupoxajime.pdfIn PDF document text
- https://s3.amazonaws.com/salade/crossfire_philippines_free.pdfIn PDF document text
- https://s3.amazonaws.com/kufazete/free_psd_billboard_templates.pdfIn PDF document text
- https://s3.amazonaws.com/vatosolikijike/bengali_old_dj_song.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6e495750-3fcf-4109-a144-50c40ce841b8/34164326951.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_off0000e27c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE27C | 5372 bytes |
SHA-256: df8e32ae622a8c16781c2e179551c9094af37bce1e265f7edd94ea91d4205e05 |
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font_01_sfnt_off0000f4cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4CC | 10988 bytes |
SHA-256: 55a795ff523f7aa5b3cf38337084513f9b8293f21304ce475e40bac539577663 |
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