MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically a phishing or malware distribution campaign. The presence of numerous external URIs and compromised CMS upload links suggests a coordinated effort to host and distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e58552c4c75---zibexojalimupi.pdf In PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f0e81f0779b---69092826207.pdfIn PDF document text
- https://webmenuplus.com/images/file/61186072028.pdfIn PDF document text
- http://gocreate.termall.pl/upload/fck/file/90586105770.pdfIn PDF document text
- https://svingenieria.cl/userfiles/file/86301593779.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/e11guue84v494jacrrko2o9qa6/noroletumu.pdfIn PDF document text
- http://urbanconstructions.org/images/uploadedimages/file/41620400179.pdfIn PDF document text
- http://syarmarka.ru/userfiles/files/vekogomifetadozubak.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105959c53808---karorirofuxutere.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/p48qbn1pbjnnssftjv9soo43tv/46093866511.pdfIn PDF document text
- http://desagresbrts.com/clients/34568/File/36676551889.pdfIn PDF document text
- http://cfacgroupe.com/uploads/FCK_files/file/rufomuribiw.pdfIn PDF document text
- https://southernwashpros.com/nbloom/fckuploads/file/99080840764.pdfIn PDF document text
- http://aatmicscience.org/asuserfiles/file/35893334619.pdfIn PDF document text
- https://bakwanudang.com/contents/files/36685194676.pdfIn PDF document text
- http://dichvutheapec.com/upload/FCK/file/xupuzotugumumuku.pdfIn PDF document text
- http://imhome-listings.com/userfiles/files/12552790700.pdfIn PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/l3munjl17lnj23o3hmo4f0a7n5/kezifiku.pdfIn PDF document text
- http://wrtour.com/FileData/ckfinder/files/20210603_726B49A19B67BF86.pdfIn PDF document text
- http://birzebbugastpetersfc.com/files/file/80690921355.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16075f0f9e75c9---62728690704.pdfIn PDF document text
- http://orderkiwicafe.com/uploads/files/50925797487.pdfIn PDF document text
- http://bmsorganica.com/userfiles/file/babafamabiparawaxesi.pdfIn PDF document text
- http://terralis.eu/catalogue_dynamique/file/30712925223.pdfIn PDF document text
- https://hzautomatisering.nl/userfiles/file/negisu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=literary+analysis+format+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_off0000dada.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDADA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2EC | 17432 bytes |
SHA-256: 9a2dcbca7e1d7d712640b4688f2aeee1c2242bff7b08a75a896f8e56b51ef39b |
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font_02_sfnt_off0001202a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1202A | 10728 bytes |
SHA-256: ab07ccae1884f49bdedfec050cd1e4514031793af040103f0cd74027cf450fa2 |
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