MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and other potentially malicious domains, suggesting a link farm or phishing lure. The PDF structure and embedded links are indicative of an attempt to redirect users to malicious content, likely as part of a phishing or exploit delivery chain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607cacb95ca24---sifoku.pdf In PDF document text
- http://autosklo.sk/pictures/file/biget.pdfIn PDF document text
- http://maasmartcity.com/userfiles/file/18253179580.pdfIn PDF document text
- http://asijskepotraviny.cz/files/file/35332204943.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d18c7b95c---6230118254.pdfIn PDF document text
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/e977d17b88cad0475894410610b4f9c2/45228696747.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160797128a2387---58165099965.pdfIn PDF document text
- http://historia-bfured.hu/userfiles/file/33239545433.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/11262230bc3f32fb60c080c1e2b72add/fenelif.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/9824576865.pdfIn PDF document text
- http://fouladsazanco.com/Upload/file/fiwakigidakonesutikapides.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fc6d8d3777---pagikutazuvojenez.pdfIn PDF document text
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/61f2f5d9765eb71d6ca2155621bc6132/35856283426.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/5b3m0erili729ja5qup7m0nibs/71280857473.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dab66f0c1f9---96038166992.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/a8dd1020f21720fddbe77949c665d248/32743403035.pdfIn PDF document text
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dff9b80ac27---sekabitagog.pdfIn PDF document text
- http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e322fbb9d6---2936105946.pdfIn PDF document text
- http://pantryscan.com/123cars/imagefck/file/3127720477.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/e0b1dd6fa0fbe0a74acab3483c56f864/25348103980.pdfIn PDF document text
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/24e88657c69927dc8fabfcdc77b6e224/70594564052.pdfIn PDF document text
- http://architettoseneca.com/userfiles/files/22574660262.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc887a33391---7173980651.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a37eb7118---vipefakabikogurudidunowu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=how+do+you+make+a+powerpoint+slide+portraitPDF 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_off0000e55c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE55C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fd6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD6E | 17212 bytes |
SHA-256: 62728b1ee4f01383b5ffb6c6abdb559ca838828303a191f8d0adcccd5f27380a |
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font_02_sfnt_off00012a60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A60 | 10936 bytes |
SHA-256: d85fc5e72fa07d70e21fdff533a0c6aa647ea7b827e5f60dd6058ba27ca02b80 |
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