MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected by ClamAV as Pdf.Phishing.Trojan. Multiple heuristics indicate it functions as a link farm, pointing to compromised WordPress uploads and disposable hosting. The embedded URLs, such as 'https://laborke.ru/uplcv?utm_term=difference+between+program+and+project+with+example', are likely used to redirect users to malicious sites. No scripts were extracted, but the PDF structure and URL patterns strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://laborke.ru/uplcv?utm_term=difference+between+program+and+project+with+example PDF link annotation
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160af90cf4edb2---74636091908.pdfIn PDF document text
- https://allmassage.net/upload/file/20210511152808.pdfIn PDF document text
- http://qunjl.com/userfiles/files/18450905327.pdfIn PDF document text
- http://prmakeup.com/Image/files/47992894441.pdfIn PDF document text
- https://rajatotogroup3.com/contents//files/junanezibolibel.pdfIn PDF document text
- http://www.reenactmentmarket.eu/images/wyswig_images/file/foxunaxoxogegovasimojex.pdfIn PDF document text
- http://soles2walk.cz/data/file/63448031407.pdfIn PDF document text
- http://teckim.it/themes/userfiles//files/bunezabujufozodobabu.pdfIn PDF document text
- http://goldenbaycruisesagent.com/userfiles/file/78001116214.pdfIn PDF document text
- https://gbp.dropship-online.com/userfiles/files/23291181875.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160758fe35445b---26890935521.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a72d62d2f59---13392421396.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/thgp4213poo6vpt1pa0fga9c9c/nixudabejawerupale.pdfIn PDF document text
- http://soflocops.com/clients/67403/File/92152703854.pdfIn PDF document text
- http://bertoniamministrazione.it/bertoni/public/file/dezivakuwazadane.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16097a61707a17---lubawudepuz.pdfIn PDF document text
- https://nibrasimansch.com/userfiles/files/47806613129.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160854520887c9---kivuviwizimebop.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102ef367c8f2---gujojawavurolesil.pdfIn PDF document text
- http://parkwaywest1974.com/clients/861606/File/dalipujezolebarulat.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc73ca1f169---66393648137.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160807a2ace7e7---51928043305.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0e872d35e3---masubuga.pdfIn PDF document text
- http://pkynfe.net/userfiles/file/8745651909.pdfIn PDF document text
- http://prospekt-rostov.ru/ckfinder/userfiles/files/71663431138.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_off0000d7f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f007.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF007 | 11360 bytes |
SHA-256: c8389308de60a98a16df7988005a0a0c2f0ee5d585e80963e578e39baa897eb1 |
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font_02_sfnt_off00010a32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A32 | 17100 bytes |
SHA-256: aa45d3dd5bac3bb7ac08a3c7788793c5b4f7d5a662a1e394e55b0c6e385257e1 |
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