MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with several pointing to known malicious redirectors and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were extracted, the document's structure and embedded URLs are indicative of a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 5
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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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/strik?utm_term=paragraph+structure+exercises In PDF document text
- https://betoxugibujimiv.weebly.com/uploads/1/3/1/0/131071043/5fae104cc53fa91.pdfIn PDF document text
- http://zaduzoronogikex.22web.org/88679026094.pdfIn PDF document text
- http://piwulag.sportsontheweb.net/fetivibulifedogakipeworuk.pdfIn PDF document text
- http://tarezirok.mypressonline.com/fewikumulij.pdfIn PDF document text
- http://zibepifutidi.sportsontheweb.net/23753344607.pdfIn PDF document text
- https://bazunebusa.weebly.com/uploads/1/3/5/3/135397504/1d2db62e8b0a33b.pdfIn PDF document text
- http://dorulezebum.sportsontheweb.net/hindu_boy_baby_names_in_tamil.pdfIn PDF document text
- http://kmikaerfs.ru/bapamuwutasiv6kctb.pdfIn PDF document text
- http://adv-workshop.site/40076784028feb4t.pdfIn PDF document text
- http://zofugef.mypressonline.com/jupujega.pdfIn PDF document text
- http://gebikomuxe.getenjoyment.net/47712767331.pdfIn PDF document text
- http://tehnotop.space/pexitumiu7gn9.pdfIn PDF document text
- http://instasurprise.online/53291925005mtkx6.pdfIn PDF document text
- https://moxigowa.weebly.com/uploads/1/3/0/8/130814106/3401299.pdfIn PDF document text
- http://mujabelor.mywebcommunity.org/80154468811.pdfIn PDF document text
- http://vosajizegek.mypressonline.com/89135772435.pdfIn PDF document text
- http://steh-sistem.ru/lowes_hiring_in_valdosta_ga5fwyr.pdfIn PDF document text
- http://dekovag.mypressonline.com/7569299598.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/luxaduzimase/john_deere_d170_deck_parts_diagram.pdfIn PDF document text
- https://s3.amazonaws.com/nitirew/julopafisarijuv.pdfIn PDF document text
- https://s3.amazonaws.com/woxotopapozokev/95042407653.pdfIn PDF document text
- http://bajofot.epizy.com/60873163312.pdfIn PDF document text
- http://tefetuzuzip.myartsonline.com/how_to_play_warpath_game.pdfIn PDF document text
- https://s3.amazonaws.com/kujapomib/nomodolevob.pdfIn PDF document text
- http://mifevup.rf.gd/nom_concret_et_abstrait_exercices.pdfIn PDF document text
- http://sojopisosifa.epizy.com/pawudum.pdfIn PDF document text
- https://s3.amazonaws.com/senodiw/documentation_template_html_free.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_off0000f274.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF274 | 5232 bytes |
SHA-256: 7d553f4469c4bdcd8c3d75a899eb57fd3a382adcd8fcdc18a24571ed2c0981ff |
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font_01_sfnt_off00010449.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10449 | 10568 bytes |
SHA-256: bf717ee3ba43f41137d9ce4a7eb306936860bac4ff104e205db62e6304109713 |
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