MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous embedded URLs that point to compromised websites, suggesting it functions as a link farm. The primary purpose appears to be directing users to potentially malicious content hosted on these external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://krisoc.ru/uplcv?utm_term=sales+promotion+concepts+methods+and+strategies+pdf PDF link annotation
- http://agro-vostok.ru/userfiles/file/tuvixadu.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/1e287c4b270b9646c4c2406e7c0eb385/vomorawadewulifo.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd0a3b2ac8---8824839538.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c65fe0330d---72529524068.pdfIn PDF document text
- http://le-bouquet.be/userfiles/files/49586214384.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608a5a273298a---18022209457.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/2e308338d3f84c45ead4993c86930679/mureroxak.pdfIn PDF document text
- http://www.jfac.kr/ckfinder/userfiles/files/77636753324.pdfIn PDF document text
- https://movimientofamiliadejesus.com/images/uploaded/file/57888084590.pdfIn PDF document text
- http://beiwendq.com/userfiles/file/ponulomelavawejirinixi.pdfIn PDF document text
- http://thecountryclub32055.com/userimages/nokuzoxuwonisitifogido.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c30db476be8---79095425820.pdfIn PDF document text
- http://extrastyle.ee/ckfinder/userfiles/files/36080372344.pdfIn PDF document text
- http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/makobiziti.pdfIn PDF document text
- http://leaguengn.com/userfiles/file///77998898512.pdfIn PDF document text
- https://mtmnetwork.net/uploadEditor/files/suzajoperu.pdfIn PDF document text
- http://cukierniabrzezinski.pl/www/artizam/fck/file/buwibipuni.pdfIn PDF document text
- http://frangarcia.eu/upload/file/vunokaf.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/06d25ec073ca5678b081b1b46144adbe/74735946412.pdfIn PDF document text
- http://sushigonewildtogo.com/uploads/files/47140762378.pdfIn PDF document text
- https://menokatea.in/ckfinder/userfiles/files/85526002273.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_off0000ce34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE34 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e646.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE646 | 15096 bytes |
SHA-256: fc2c321c42116d37c9b16ad40761a4296b811953627bdd4c61dac288df82cea2 |
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font_02_sfnt_off00010c8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C8D | 11140 bytes |
SHA-256: f320ea9dd4e3f51391980a1402107338b2222f5097249b3e192f8463339a31a5 |
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