MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. The presence of a link farm pointing to compromised WordPress upload storage further indicates a phishing or malware distribution scheme. The ClamAV detection and ML classifier strongly support the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://hyperasp.net/userfiles/file/24655202549.pdf In PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16071355542c37---dezosofogekerepiwuwujo.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/f22bfef026b20d960ed5c581232a8e35/69385859667.pdfIn PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/e97f363cfa82ec8f7f8cd9f299c324c2/bikivazovuvizulimu.pdfIn PDF document text
- https://watfordfairtrade.org/app/webroot/img/files/netitabix.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608f7e3c87780---xugaritom.pdfIn PDF document text
- http://all-pass.com/folder/editor/file/73492298238.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/pozapevitaloze.pdfIn PDF document text
- http://plusk-car.com/js/upload/files/ridagulefajesunomoza.pdfIn PDF document text
- http://tc-antey.ru/uploads/files/35167068205.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160941f5a11b82---gasonuk.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609411f35e323---26597227982.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b62c3f5cbe7---dagupotofavev.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/a0d9b112fdb93cdef1f8a4cf749cace0/lorofeviwonub.pdfIn PDF document text
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/n5vt7qg0agmhqur6jaah5devr3/52473008142.pdfIn PDF document text
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ba99346420f---vepodamakakidona.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160faedf83f494---97963869026.pdfIn PDF document text
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/b4osaagg3rs43ghktohep68t7i/sapijif.pdfIn PDF document text
- http://szentimresiklos.hu/upload/file/kazutejumud.pdfIn PDF document text
- http://outspokenholland.com/userfiles/fckFile/20210514060734.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088aa3b8369b---viwobasilesu.pdfIn PDF document text
- http://shop-exclusive.cz/userfiles/file/tikojed.pdfIn PDF document text
- https://tavcam.com/upload/ckfinder/files/ritipaginovovari.pdfIn PDF document text
- http://www.smwiarus.pl/ckfinder/userfiles/files/9054795982.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=taal+vitaal+pdf+vkPDF 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_off0000e1c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1C6 | 9988 bytes |
SHA-256: cc98a7d6906e67b643004dd77ac458db1ae532245e01a2a65777d1eeb93bff3e |
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font_01_sfnt_off0000f805.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF805 | 18916 bytes |
SHA-256: 0f3f449cd665a638a414992f9509b6e7c13776e8b08ff61ad6632396124874ba |
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font_02_sfnt_off0001294c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1294C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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