MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF acts as a link farm, pointing to numerous external URLs, some hosted on compromised WordPress sites. The presence of multiple PDF link farm indicators suggests a deliberate attempt to manipulate search results or distribute malicious content through a network of linked documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://iword.de/userfiles/file/samesidepuziwazawet.pdf In PDF document text
- https://sabresources.com/FCKuploads/file/80528340455.pdfIn PDF document text
- https://liftsystems.ro/LiftFiles/file/49771923155.pdfIn PDF document text
- http://ucinnovation.ru/admin/ckfinder/userfiles/files/61490214335.pdfIn PDF document text
- https://mcsfood.com/images/file/35568819725.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dbeb644459---lugolotusagofikefurasip.pdfIn PDF document text
- http://kelt.pl/userfiles/file/dituzemapogipevudir.pdfIn PDF document text
- http://pataibicaj.hu/userfiles/file/mewaregejopapulozevegeko.pdfIn PDF document text
- https://maintogelonline.info/contents/files/vepurozegidaketadege.pdfIn PDF document text
- https://adrfarysz.pl/userfiles/file/89397598486.pdfIn PDF document text
- http://fotosvatba.net/userfiles/file/93748350330.pdfIn PDF document text
- https://rpdev.org/ckfinder/userfiles/files/41615928701.pdfIn PDF document text
- http://collectifff.be/imgdb/accueil/files/25224972704.pdfIn PDF document text
- http://cichanski.com/Upload/file/texilo.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16144877ced027---fagusof.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615137d6731d6---gonitatal.pdfIn PDF document text
- http://isleford.com/filespath/files/20210920021320.pdfIn PDF document text
- http://trieuduong.com/images/Download/popuzibuzotafip.pdfIn PDF document text
- https://huanghecables.com/d/files/95838176245.pdfIn PDF document text
- http://elite-nails.pl/Upload/file/pajibisilotekora.pdfIn PDF document text
- https://ls-machinery.com/uploadpic/files/202109121850505240.pdfIn PDF document text
- https://phoenixturkey.com/upload/ckfinder/files/12387811324.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=prayer+circle+copy+pastePDF 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_off0000b032.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB032 | 10380 bytes |
SHA-256: 6490565aefd758f63f170ab75f74fe10924edbacff168811127a3ecbcc0f3904 |
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font_01_sfnt_off0000c7d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7D3 | 14440 bytes |
SHA-256: 67c6aa949d60f9b8f27249174f0fd7e9ed8aa3292f30d44caf57e498c1916bbc |
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font_02_sfnt_off0000ebf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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