MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious files or redirect users to phishing pages. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a deliberate effort to obscure the true destination and leverage potentially compromised infrastructure. While no scripts were explicitly extracted, the structure and heuristics strongly suggest a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac79901deb---fazorazusufosoxabur.pdf In PDF document text
- http://matchedtubes.de/userfiles/file/52798416313.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d44977a3633---71677934934.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/lku1qgr4d79rb59gs1eh2po595/91082718023.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/8ri93ru3qdof9l24sviqgdnahh/88091565355.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/otsvub1nsspff0e6ad38eh7u72/temej.pdfIn PDF document text
- http://szentimresiklos.hu/upload/file/94541555060.pdfIn PDF document text
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/4m923dnsqgfh19glk51n8cp8kv/39300684905.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608984a380d78---rezovofa.pdfIn PDF document text
- http://aodaibooking.com/FileData/ckfinder/files/20210603_C122A2139BECC5D7.pdfIn PDF document text
- https://chandrakantmusicacademy.org/ckfinder/userfiles/files/kekitawibeto.pdfIn PDF document text
- http://loveperfectionschool.com/upload/file/jasisugi.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160844ca0d36cf---93329388481.pdfIn PDF document text
- http://starsunited.at/upload/files/zozewabekimaxam.pdfIn PDF document text
- https://londonvipchauffeur.co.uk/wp-content/plugins/super-forms/uploads/php/files/4f73e90e8f67cb15d27a186747e1c5c7/tovotepesupepevawijekazup.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/slfje7m3842ahqk2j70608fi9r/21193035021.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a062aad23ed---sawib.pdfIn PDF document text
- https://luyenthitoeic.info/userfiles/file/vixirej.pdfIn PDF document text
- http://elvirajogsi.hu/ckfinder/userfiles/files/39589134318.pdfIn PDF document text
- https://northcoteplaza.com/userfiles/file/mezojodavopufajixulamu.pdfIn PDF document text
- http://www.morrisjones.co.uk/EditorImages/file/bikujulijipali.pdfIn PDF document text
- https://intervalhousehamilton.org/ckfinder/userfiles/files/kavizamigafida.pdfIn PDF document text
- https://tenfci.org/userfiles/file/rozobapekomotugepagikar.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/0199759285c21eb6aac15a9816428658/67183418659.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=free+pdf+to+doc+converter+ocrPDF 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_off0000b941.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB941 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d158.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD158 | 10188 bytes |
SHA-256: 7f4af441701c3ed6cccdab2f4b1d09d456a101de8b60aa638a89915a89d9672a |
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font_02_sfnt_off0000e83a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE83A | 16752 bytes |
SHA-256: afc2d9b732ff640064d29e8725658d47eade06453875131ab9955202563cfc1f |
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