MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to websites that appear to be compromised WordPress installations, a common tactic for hosting phishing pages or distributing malware. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, suggesting it's not intended for direct user reading but rather as a container for malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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 http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609159756c5c7---13337924063.pdf In PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b6400a50ac3---rimikejuvubujeveri.pdfIn PDF document text
- https://atamergranit.com/userfiles/file/66996117176.pdfIn PDF document text
- http://fioredda.com/userfiles/files/47389239725.pdfIn PDF document text
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160863451c201f---temeruduvigigob.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c51533d62ab---50927976569.pdfIn PDF document text
- https://www.elshandmadedesign.nl/ckfinder/userfiles/files/bazif.pdfIn PDF document text
- http://haithuanphat.com/uploads/files/roxoviwiletosanenejix.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/2ou9j62j6tt38b2qm2qqtlhgdf/47821916447.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c5c80da6f42---11288173488.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/161257db109ee6---fojojawipot.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/46b9698e3b32ad053539f4b242cd439a/70363201292.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/03b64b7686b8b2386d724aef1166d160/zolekiraxodubifujojab.pdfIn PDF document text
- https://sunsoftinfoway.net/ckfinder/userfiles/files/88113947615.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/4ca99b59778cd9283d481007aff88579/84884080510.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ed714561c0d---36979635143.pdfIn PDF document text
- http://falerisztika.hu/tmp/78700869189.pdfIn PDF document text
- http://moyamoya.center/images/hand_uploaded/files/46715387817.pdfIn PDF document text
- http://bowlingkillers.com/imgdb/files/62623862213.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160e513472e7ac---2717330833.pdfIn PDF document text
- https://abicecream.ru/ckfinder/userfiles/files/40900959978.pdfIn PDF document text
- https://bestofbucerias.com/upload/file/23048819548.pdfIn PDF document text
- http://webspace.mysdam.net/images/newsletter/files/bumifipabapikikut.pdfIn PDF document text
- http://fli.edu.mn/ckfinder/userfiles/files/zuzozagotozukedexivob.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16086a2354aa5c---wumapezosowufozoga.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=wagner+meerwein+rearrangement+pdfPDF 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_off0000ce5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE5A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e66c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE66C | 19352 bytes |
SHA-256: ac7f677722960baaaf92f75c406d547339951fd484934e1d48603f6ca09d7599 |
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font_02_sfnt_off00011922.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11922 | 10584 bytes |
SHA-256: 93f05a2713df3f4602bdcc805e2f4df88aa2ab90df0f3db8e758c0f1ec4cb8e4 |
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