MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous embedded URLs that point to compromised WordPress sites and disposable domains, suggesting it is part of a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and appears to be junk data, further indicating a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://catamma.ru/uplcv?utm_term=%25C3%25A9valuation+technologie+6%25C3%25A8me+les+familles+de+mat%25C3%25A9riaux PDF link annotation
- http://retco.ge/ckfinder/userfiles/files/kulawafevezizeruwodumixu.pdfIn PDF document text
- http://apartmaji-zunicmile.com/uporabnik/file/karodikofinorom.pdfIn PDF document text
- http://fygl.net/uploads/file/260722259921.pdfIn PDF document text
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/m5k3bgpem2hbpfmsoj6a8k0oe3/mefujororojutajeb.pdfIn PDF document text
- http://campfirewtx.org/userfiles/file/juxowewulifuxa.pdfIn PDF document text
- http://canigrup.com/userfiles/file/juxizogutofaluvew.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d941cd5459---74734638374.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/f6b8982606c3912561009cdcbfa2b094/8780856563.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5403e71c6---95030354853.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/i99fd699ke2sf3ogqd7tjoj672/64735301650.pdfIn PDF document text
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/8gsup5lnd2ppntldkafietj0aa/zikelujilor.pdfIn PDF document text
- http://arcdesantmarti.com/biocop/Images/images-editor/file/zijelabajanupabipuwo.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc677bafc40---jitonorixazirukozijof.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/b808bfbd6b56f8d6771c44b75a5b5713/74857901109.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c7d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7D4 | 5980 bytes |
SHA-256: 8161324ed5fcfb02ceb4270bc1ceba0efdbabb247f9023d0196dde1fed3e90cf |
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font_01_sfnt_off0000db77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB77 | 11116 bytes |
SHA-256: 5cbf1a998ede3036748368b81e5f6efd85b29536c6dbf6b2481e944c6d7b83a5 |
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