MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised or disposable domains, identified by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. The ML classifier and ClamAV also flagged this PDF as malicious, specifically as a phishing trojan. The embedded links likely serve as lures to phishing sites or downloaders for further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 http://lapmaymn.samdigroup.vn/app/webroot/upload/files/suxabewapaxade.pdf In PDF document text
- http://matchonusa.com/uploads/files/vutov.pdfIn PDF document text
- http://dansecyr.ca/pdf/file/89726525798.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c2888c5463---zuredosurajifavas.pdfIn PDF document text
- http://studiocommercialedelpiano.it/userfiles/files/34073975920.pdfIn PDF document text
- https://portalkucharski.pl/app/webroot/media/files/7637212237.pdfIn PDF document text
- http://sun-green.nl/ckfinder/userfiles/files/85061608135.pdfIn PDF document text
- http://pttaccounting.com/userfiles/files/lexilepitaji.pdfIn PDF document text
- http://www.como-grup.ro/fisiere/file/weluwedosanilo.pdfIn PDF document text
- https://ienter.bg/files/nigisofuluragobare.pdfIn PDF document text
- https://aep-tc.com/cache/fck_files/file/41602343618.pdfIn PDF document text
- http://i-p-p-c.com/ckfinder/userfiles/files/66718504927.pdfIn PDF document text
- https://cometgroupinternational.com/ckeditor/ckfinder/userfiles/files/sefesetef.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/ad7br8031lkpnoenkf30ijf3kb/49507204966.pdfIn PDF document text
- https://jbdclothiers.net/emailer/userfiles/file/45585160513.pdfIn PDF document text
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/22755961474.pdfIn PDF document text
- http://bestpokeya.com/uploads/files/dobenodawawoz.pdfIn PDF document text
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/5e0b32ad6be8e125e592c7153ece51f2/wijosipavamilovode.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132f3c4afdf1---bonamisafomamavipivaper.pdfIn PDF document text
- https://auto-rujo.com/images-editor/file/32036112549.pdfIn PDF document text
- http://kimsanghun.com/upload/userfiles/file/2021916157341555.pdfIn PDF document text
- http://celyroknaterase.sk/editor_uploads/system/files/14703880320.pdfIn PDF document text
- http://synerfreight.com/syner_upload/images/files/22492734260.pdfIn PDF document text
- http://sweepinstyle.com/userfiles/file/firasakakego.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=vnd+android+cursor+item+contactPDF link annotation
- 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_off0000c309.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC309 | 18752 bytes |
SHA-256: b4252b9f4f42be7698427595d88bd3c9c4b0f915f4fe20a106c9ae221c44271a |
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font_01_sfnt_off0000f418.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF418 | 10552 bytes |
SHA-256: 0fd41d0924c1ed60ec6d2786eecf337fcf8bf9390d85d8ae2fdddb99a11e45dc |
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font_02_sfnt_off00010c2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C2D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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