MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farm heuristics indicates an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://inwebjor.ru/uplcv?utm_term=android+url+snooper PDF link annotation
- https://tssch.in/tssch/application/admin/uploads/file/pazibexemubot.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/3rh0erjsr8cmuo76g54ljkjv9m/guxuradubon.pdfIn PDF document text
- http://whitedwarf.ru/public/images/ckfinder/files/79524099578.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143e1e725519---tibeziso.pdfIn PDF document text
- http://sartor.ru/upload/files/28337794045.pdfIn PDF document text
- https://0a3exp.com/upfiles/editor/files/91291979329.pdfIn PDF document text
- http://sk-uralstroy.ru/uploads/files/70932130591.pdfIn PDF document text
- http://oresteruggiero.com/userfiles/files/61516291488.pdfIn PDF document text
- https://novamakine.com/upload/ckfinder/files/1617613575.pdfIn PDF document text
- http://desiaussies.com/ckeditor/uploads/files/jagineruzufapupagozinamod.pdfIn PDF document text
- http://narcisse.sk/editor_uploads/files/tibibetufem.pdfIn PDF document text
- https://pakianco.ir/data/image/uploads/news/files/muwatezodibipufixakoxer.pdfIn PDF document text
- https://bahia-group.com/ckfinder/userfiles/files/24750315065.pdfIn PDF document text
- http://iuoooo.com/filespath/files/20210911105316.pdfIn PDF document text
- http://burragebrothers.net/demo/jolie/beta/userfiles/files/xeripoxasolame.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150a05f867ca---rakufijafutapozibunimisox.pdfIn PDF document text
- http://dobrejaja.com/Upload/file/sugovupusiturugo.pdfIn PDF document text
- https://icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/14147434164.pdfIn PDF document text
- http://canadanur.com/resimler/files/96737702565.pdfIn PDF document text
- https://chmelo.hu/sites/default/files/file/26672227877.pdfIn PDF document text
- http://antwerp-reefer-tournament.be/argt/files/18017914641.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b1de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1DE | 18900 bytes |
SHA-256: ccf1ab0f027e2f3fb4dafbc7174d22ce5d6ad8e18f0ebaf5ae579172ebc56a72 |
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font_01_sfnt_off0000e330.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE330 | 10204 bytes |
SHA-256: b47c354b91153b8eeb98ff28ceaa477b741d3c651ab6c2546a6d3e0b20e9ef95 |
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font_02_sfnt_off0000fa22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA22 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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