MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO spam operation. The document body, though partially corrupted, contains text related to financial accounts, likely a lure to disguise the malicious intent of redirecting users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://druttle.ru/123?utm_term=como+se+clasifican+las+cuentas+de+activo+pasivo+y+patrimonio PDF link annotation
- https://cdn.sqhk.co/naxemikomeb/cjaigjh/22331610725.pdfIn PDF document text
- https://cdn.sqhk.co/pumibavi/i6hfieu/toon_shooters_2_arcade_side-_scroller_shooter.pdfIn PDF document text
- https://nozuresosobud.weebly.com/uploads/1/3/4/7/134758814/5673995.pdfIn PDF document text
- https://cdn.sqhk.co/jukowejazus/V8ifyhe/fevejexirojipasaxino.pdfIn PDF document text
- https://roxuvipiga.weebly.com/uploads/1/3/4/6/134637137/sunisomafasete-gatagotijizol-pubuxiro-dagefumoluga.pdfIn PDF document text
- https://cdn.sqhk.co/malofavu/ihfieZw/talagisu.pdfIn PDF document text
- https://cdn.sqhk.co/fudamozomeb/jaicqia/medimipiw.pdfIn PDF document text
- https://fuwurukuzubefek.weebly.com/uploads/1/3/0/9/130969433/duxeso_ginagili_zudafasuza.pdfIn PDF document text
- https://cdn.sqhk.co/tiluzegata/ChbU3zL/walmart_online_grocery_shopping_coupon.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/0b93781c-714f-4d7e-b7e3-879ffee40657/i_am_not_perfect_quotes_images.pdfIn PDF document text
- https://46c0acaa-de7d-4f46-84f0-c2cf1d8ff7d9.filesusr.com/ugd/ac1638_6080fbb8240740ceae4a768d729a46bf.pdf?index=trueIn PDF document text
- https://f6180879-d31b-499c-8e42-fead7842c491.filesusr.com/ugd/007227_133fe27c35664076b4b4f037d6b5c616.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e7f96c36-0757-4c8b-be2f-6dc440f0ecc0/98950877246.pdfIn PDF document text
- https://s3.amazonaws.com/sezebepit/89095861909.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1cd9551f-75ba-4a31-a1a8-86a7d6f65bc7/8583979490.pdfIn PDF document text
- https://s3.amazonaws.com/xumakomowi/rarest_traits_in_the_world.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_off0000e12f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE12F | 5368 bytes |
SHA-256: 4769f8be0b488eca40a705d37a8c14404938d780f2db2586abbf50d616ce8a88 |
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font_01_sfnt_off0000f36e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF36E | 11572 bytes |
SHA-256: 9fd10b095cccdc1fd1dec7ab586a6ee9d267b6bcf019c0a6f9a6b788c9b10954 |
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