MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many pointing to disposable domains, indicating a link farm or SEO manipulation tactic. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to distribute malware or phishing content. The presence of external URIs and a link farm heuristic points to the exploitation of client execution to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://jacksth.ru/strik?utm_term=apollo+twin+usb+cable PDF link annotation
- http://tarusexozof.iblogger.org/kifowiselobuwilo.pdfIn PDF document text
- https://gapojusegora.weebly.com/uploads/1/3/1/4/131408170/8846865.pdfIn PDF document text
- https://tevupiju.weebly.com/uploads/1/3/4/8/134865653/gizupagedosed.pdfIn PDF document text
- http://xufunuduxatene.iblogger.org/bless_the_broken_road_piano_sheet_music.pdfIn PDF document text
- https://saduzoxizujakef.weebly.com/uploads/1/3/1/0/131071125/8ef06d71130280.pdfIn PDF document text
- https://cdn.sqhk.co/xeloxilava/gf02I5Z/rt_america_news_with_rick_sanchez.pdfIn PDF document text
- https://jenogisemelo.weebly.com/uploads/1/3/2/3/132303080/zevukajuxopo_vubepoda_lusutofupegebel_xulimemetelaxa.pdfIn PDF document text
- https://fubareno.weebly.com/uploads/1/3/1/4/131482864/ralabod-tovusisopasi-direso-punepexo.pdfIn PDF document text
- http://luvatok.66ghz.com/chomerics_1298_datasheet.pdfIn PDF document text
- https://danaguvofuboxi.weebly.com/uploads/1/3/5/4/135401293/495d503b207b43a.pdfIn PDF document text
- https://cdn.sqhk.co/mopewedote/jdjgvha/15286918717.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
- http://nisebot.epizy.com/free_gospel_sheet_music_for_alto_saxophone.pdfIn PDF document text
- https://ca108e69-7b6b-43f0-8f16-d96ebeb8a33d.filesusr.com/ugd/79e0dc_27ecb74e2017442c931e5e9b8b071fa5.pdf?index=trueIn PDF document text
- https://f3e0ee59-b309-4736-aefa-1db4f942b0be.filesusr.com/ugd/e87662_04e001b279b94c308ab3fc69ca912c49.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rezugekolaba/bauman_amor_liquido_espaol.pdfIn PDF document text
- https://c31d65df-273c-4bcc-acfb-7b03b0724b99.filesusr.com/ugd/e7e4a0_5ff232a7a6f14d0f9dc7ce67e748dfdc.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pojikovewijeja/chogada_tara_ore_chabila_tara_ringtone.pdfIn PDF document text
- https://e4586023-485a-43f1-9451-2d404684c5b7.filesusr.com/ugd/95ff22_50d8767bb6d54aa28dedbab3cb152176.pdf?index=trueIn PDF document text
- https://311919ef-92bb-434b-a93e-382c1a5e2e65.filesusr.com/ugd/c893b4_f00218fe47c540f98a1d280d957117f7.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA38 | 4936 bytes |
SHA-256: 2bdc780236260edf101fe3ea00a3b06408d1722999a1be6e2d47cc55396feb70 |
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font_01_sfnt_off0000fb18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB18 | 11356 bytes |
SHA-256: d6e5dc285a54ddcb7f4ff29a58b9e51421c454ceb434888d86f8711e500c54c8 |
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font_02_sfnt_off00012174.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12174 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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