MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9704
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://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7b095b3b34---fobufijudejipekesusexuj.pdf In PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b6c2b80f5e---vedaxuvononatetumor.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/08ee2eb53ad9df5174990b02e29e679e/92310143790.pdfIn PDF document text
- https://study4student.com/cache/fck_files/file/zapajifiponodi.pdfIn PDF document text
- http://sincaremedicaltour.com/js/upload/47172937186.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/160796fa0d9557---rugubalilepubafiziviw.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/3220eaeb6303b895d71f87bd5f8ccdaa/99255073338.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f441707ac3---gomumivasubuta.pdfIn PDF document text
- http://unityproductions.com/upload/files/puxozenaduxijujarini.pdfIn PDF document text
- http://baobianhkhang.com/upload/files/70176605571.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d58d30e05a---19860731199.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8dfee0cb1---74578190167.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/arqgf6gpkq6or7laliciojcfmb/kolemirizevetigud.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607a7ffbde8e5---16145453526.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/16084a30f1f75e---jagodozilavamebeneta.pdfIn PDF document text
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/53492400198.pdfIn PDF document text
- http://pappteam.hu/userfiles/file/sowimaruwej.pdfIn PDF document text
- https://mszukam.pl/dat//file/23235452484.pdfIn PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fc372c7900---56770555238.pdfIn PDF document text
- http://b-solutions.net/userfiles/file/59728556341.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16088d4b92f701---5681263875.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/6dc1c8d60aeb0b1bac8a8960c6254046/4134773640.pdfIn PDF document text
- https://balbok.net/admin/ckfinder/userfiles/files/zoruwegaratefafajelopiwow.pdfIn PDF document text
- https://cutandcolorparrucchieri.it/file/liritunodafis.pdfIn PDF document text
- http://plafondchauffant.fr//img/user/file/raxamurifufedepavegakulu.pdfIn PDF document text
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2f9c33cb09---96285632991.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=describe+the+federal+system+of+governmentPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010280.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10280 | 17500 bytes |
SHA-256: 6c86e192301d093e26a82a7ab3cd5408325fa2cca17c74ae766d4e7d78590b1f |
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font_01_sfnt_off00012fad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FAD | 11244 bytes |
SHA-256: cc0756f42b8716908dd392359028abab76da52b728f0a5265c47e7ce7a706683 |
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font_02_sfnt_off000149bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off000161cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x161CC | 16252 bytes |
SHA-256: bfc7ce51a1a9b37382af61f0075eb0cdb972126da031002d338643432d80e6e4 |
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