MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It contains numerous links to external websites, many hosted on compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the overall structure and URL patterns point towards a phishing or malware delivery scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/59d302986ce31fb3cb17aba81dc40bb6/32647666326.pdf In PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c28b1887f37---43275392146.pdfIn PDF document text
- http://placc.info/up_image/dapimarulejopazido.pdfIn PDF document text
- http://mp-journal.com/media/file/16259670814.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a241a3be639---50132732877.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb29bd01e6---67137989290.pdfIn PDF document text
- https://geneticapanama.com/userfiles/file/witezaroma.pdfIn PDF document text
- https://soudurelauziere.com/upload/editor/file/66980358773.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b59c10d4c94---vemexa.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/1bsnvp8bgk72nc35fh2kkl25r5/lasinixufujarusi.pdfIn PDF document text
- https://childconcern.in/trila/userfiles/file/kopedubolurukomepegid.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/6f496387825f37b254bfc55e6596ecee/39122828682.pdfIn PDF document text
- https://cleanenergy.mn/uploads/files/32948890540.pdfIn PDF document text
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/4390c0a4748238fe063be58064c5078d/fejemotofixaxoxa.pdfIn PDF document text
- http://www.aadhar-interior.com/userfiles/file/pewenonalogakojiburifixe.pdfIn PDF document text
- https://west-holding.com/userfiles/file/poziwevijidujixonafobep.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/5f224359785357b3c621d417789a39cd/lavorumajarepedavu.pdfIn PDF document text
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/e16ca5fac4ee6de44a5ba3f6cb7af1f9/nujegusi.pdfIn PDF document text
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9d4dcecf0---vubilenit.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/5kckd76hrn2j2h6sc8ac3b05f5/pejisamom.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/7a6121d52607d90514e774278d1fe217/renamuwikuvefimoronebe.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075dc19c99d7---7148797662.pdfIn PDF document text
- http://dmscsmartlifeblog.com/userfiles/files/47226920817.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d22c73606---lavodefovurovowetufa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=meaning+of+the+word+cloutPDF 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_off00010df7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DF7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001260e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1260E | 10768 bytes |
SHA-256: 52aa6fac87e422c7bfb32567800e57b5016ae7cbe778f9409e0acef65f65ef28 |
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font_02_sfnt_off00013e99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E99 | 17168 bytes |
SHA-256: d68d7eb1307fa127d77f56803d85d059a4db61e5f9591ace5a8ec857d930e5fc |
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