MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to lure users into downloading further malicious content or revealing sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/4veffp37soflhkpdncu6tr86uo/nijezixefigimugivezani.pdf In PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/rpbk9rijj5oop89oaurb0ph7s5/jovakox.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160988c07e1b95---rasigobudole.pdfIn PDF document text
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/0871af3d77bf976430d14dbda26cf75b/nubema.pdfIn PDF document text
- http://kapelski.pl/userfiles/file/puboneferareriv.pdfIn PDF document text
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/0bab491d72bc65595cf94c91496fbb8f/10591120565.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/088e4fe6b365906d75d6f2520437ac09/40466942689.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8d42600e1---18584260866.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608a05a096ea5---24260237317.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607720e267ee2---mifob.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/3a0f1a9de1345efdf437d0f9cabfdfd4/65204466311.pdfIn PDF document text
- https://klcmekatronik.com/ckfinder/userfiles/files/47683710355.pdfIn PDF document text
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/91b40c34dbbca49741270b435d705c68/fipukodifebikuvedotiv.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/ccc2654cc2109ae544ee484c3b87b935/53694655741.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/bcfd0ffe566a9dd1342ea66e92ac9303/tukizadijaw.pdfIn PDF document text
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/f4b2e28015d5c0d9a191b42cfde3b920/zixidilajuguniw.pdfIn PDF document text
- http://cafemsoffice.com/userfiles/files/39064391282.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607db5440dca1---xajuxemafonusewipobozemat.pdfIn PDF document text
- http://www.chatanakonci.cz/userfiles/file/61924608454.pdfIn PDF document text
- http://svsteinfurth.de/radsportfiles/file/momukufukodudezemimuki.pdfIn PDF document text
- https://cesiedizioni.com/userfiles/file/puforewoma.pdfIn PDF document text
- https://kaptenhoki.info/contents//files/15765997368.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160ac746cb4af9---silazugofumewazog.pdfIn PDF document text
- http://lideparts.com/userfiles/file/1623215428.pdfIn PDF document text
- https://munord.com/wp-content/plugins/super-forms/uploads/php/files/550de1f001c84492c08de5acb6e5fad1/92212981484.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=pdf+to+excel+free+online+converter+without+emailPDF 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_off0000de75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE75 | 17244 bytes |
SHA-256: 63cd33eb6defe67fe4c8538450920b3982efd56f1c29532f850150706f83af9a |
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font_01_sfnt_off00010bc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BC1 | 10928 bytes |
SHA-256: 57d493665e28df1655a266f6da2b4c2ab65bfe60419f02b8e86bd5b4efedb053 |
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font_02_sfnt_off000124ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124ED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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