MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF document identified as malicious by multiple heuristics and a machine learning classifier. It contains a link farm pointing to compromised WordPress upload directories, suggesting an attempt to host or distribute malicious content. The presence of external URIs and the nature of the links indicate a likely phishing or malware distribution attempt, potentially delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/jt5faaoutno7eeosgqos62hipj/71103502402.pdf In PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608c23a22d2e8---77829634049.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/rigodadidilibogitewat.pdfIn PDF document text
- http://fouladsazanco.com/Upload/file/22381914748.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a5911acf386---56976572831.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e31857c6c8---fupanufibot.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160915f010efb4---tutoz.pdfIn PDF document text
- http://kennedy-jackson.com/clients/f/f7/f78508644b517540cdb1549d93860f53/File/kaximafovi.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/1d40eb7157a8eb12b789f6d0a33a7765/xinupuwedinenepifoke.pdfIn PDF document text
- http://berbun.com/user_img/file/gigodamokawolakebalido.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/38sgjqrmili0hr1aoqhnhhl3v4/31896180913.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d5e24d14ec---tesidoluzupidivalisibidax.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b3bb5b514---gixipirafu.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/c29bfd9696e46ceba4094da3ef87feed/sorejozupiwalasobexusuxas.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/069e466bf17a811414521dd272baa6fe/vuronumibuderuwemafa.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608016586b73f---megowapomodifinoviw.pdfIn PDF document text
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/eii107bln7fi0ocd185rdr2v6e/12168421230.pdfIn PDF document text
- http://www.bluewhaleline.com/image/upload/File/fixexajolosasif.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072dbf06a4f0---sojogamarixugirejazewoba.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16084f0a7942c2---7046706328.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160874878a60b2---46275109952.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/7df63065f8aad011c7d4f9eae1aa7e55/futojejabog.pdfIn PDF document text
- http://coimbra.hu/uploads/ckfinder/userfiles/files/49695541239.pdfIn PDF document text
- http://jcon-aps.dk/userfiles/file/nalomezuxopowasixof.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=hokey+pokey+song+with+actionsPDF 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_off0000ef56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF56 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010768.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10768 | 17372 bytes |
SHA-256: 1a83a1413948e50b741cee7e37966be448ff56c59b078dfed51d8fdeda679670 |
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font_02_sfnt_off000134ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134CE | 10788 bytes |
SHA-256: 6684724b2e68c584be17cb8e754ef5dca5d8ce732c05cc849f6ddc7f9983cb21 |
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