MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a mass of external links, many pointing to disposable domains, suggesting a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though obfuscated, appears to be a lure related to 'History of money in Brazil', likely to trick users into clicking the embedded malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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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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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://zajinet.ru/strik?utm_term=hist%25C3%25B3ria+do+dinheiro+no+brasil+wikip%25C3%25A9dia PDF link annotation
- http://antileqphh.site/3322991406282wb8.pdfIn PDF document text
- https://vidamizumowi.weebly.com/uploads/1/3/4/5/134598026/52ad0efb8.pdfIn PDF document text
- http://xipuloval.iblogger.org/93568129260.pdfIn PDF document text
- https://nebavorod.weebly.com/uploads/1/3/1/4/131406600/49a5611106e0625.pdfIn PDF document text
- http://yewes.space/satyanarayana_biochemistry_book_free_downloadqse5p.pdfIn PDF document text
- http://gemajelibetojup.scienceontheweb.net/12623405750.pdfIn PDF document text
- https://suxifobafip.weebly.com/uploads/1/3/4/3/134370270/kavimelixeg.pdfIn PDF document text
- https://jigaxokere.weebly.com/uploads/1/3/4/6/134622899/2049346.pdfIn PDF document text
- http://pemizirevubel.mywebcommunity.org/nikon_d500_reviews_2020.pdfIn PDF document text
- http://good-production17.site/zudazoruo9vmu.pdfIn PDF document text
- http://nubemeketetu.mypressonline.com/97884702281.pdfIn PDF document text
- https://pifofunota.weebly.com/uploads/1/3/0/8/130814871/b68e682ac3f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://1d812fcc-cfc3-4558-a870-56fc5b7f4c2e.filesusr.com/ugd/754d94_5d0bdb6d169c4aff82099bb7cc543106.pdf?index=trueIn PDF document text
- http://debatebarumexa.epizy.com/duwutat.pdfIn PDF document text
- http://likifodafiduno.epizy.com/sri_rudram_meaning_in_english.pdfIn PDF document text
- https://11ab4cf5-156d-4417-99e9-5039b2a7eb5f.filesusr.com/ugd/82d61e_c82c723e57844f8fbef460641bb13193.pdf?index=trueIn PDF document text
- https://ab25a8b3-4d80-4d4b-93a1-c1347014fa7c.filesusr.com/ugd/8d0191_c8915cbf0e0e4481b0bc53052ab0b456.pdf?index=trueIn PDF document text
- https://9e1b5e4e-b4ab-405b-8fdf-b3b6d7b19c28.filesusr.com/ugd/94ea38_51f11bfc989d40a7ab4d493d65a6edc7.pdf?index=trueIn PDF document text
- http://tavoxelelenasi.onlinewebshop.net/celebrating_diversity_through_world_literature.pdfIn PDF document text
- https://4bf641bf-117a-4913-931f-55e49063997f.filesusr.com/ugd/5befcb_f0a77630eaa84e508b299e19d4ed65ca.pdf?index=trueIn PDF document text
- https://fccd5518-64e1-462d-9dbe-8d8d8a19ca7a.filesusr.com/ugd/eb005d_02df8b9127f64b9389fca16b13f69f2d.pdf?index=trueIn PDF document text
- https://af1bea64-f5cd-41c2-a7c1-97f21c1aa057.filesusr.com/ugd/592671_ca96160840d14e5c8fb69de2633d6e3e.pdf?index=trueIn PDF document text
- https://3d7c42e8-cad9-4196-8f3c-0f210fd97588.filesusr.com/ugd/1b7c00_a83b9b0c884844aab07f8ef0b0ea993a.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012b33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B33 | 5584 bytes |
SHA-256: 0c60518a27c9df33f6de6741b352142f474019d1d77ba20ddf77702be47e11b3 |
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font_01_sfnt_off00013d9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D9D | 13680 bytes |
SHA-256: a0f97752d6246fea0be392ce9c8eaeb1e5564b48acef9485182e7f589486e4b6 |
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