MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to various URLs, some of which are hosted on compromised CMS platforms. The presence of numerous links, many with 'utm_term' parameters suggesting tracking or redirection, points towards an attempt to distribute further malicious content or phish for information.
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://www.gieskestukadoors.nl/ckfinder/files/files/dezozopamufenutoma.pdf In PDF document text
- http://tykhchem.com/upload/files/87534273830.pdfIn PDF document text
- https://gosselindesign.com/images/from_fckeditor/fichiers/revuderutefilode.pdfIn PDF document text
- http://hoanhaochemical.com/uploads/files/77259137656.pdfIn PDF document text
- https://www.lire-les-notes.com/ckfinder/userfiles/files/22486463420.pdfIn PDF document text
- http://shijijiaming.net/filespath/files/20210902190339.pdfIn PDF document text
- http://quetthe.com/upload/files/33868950192.pdfIn PDF document text
- http://bxbrdh.marketsearching.com/upload/files/zemodarenovikisujesododeg.pdfIn PDF document text
- http://climacom.eu/userfiles/files/60836440104.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2867ade4b---nigonuvaz.pdfIn PDF document text
- http://www.smartlandgroup.com/ckfinder/userfiles/files/63035372860.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e01da2e0dd---11372242268.pdfIn PDF document text
- http://avvocatogiuliani.it/userfiles/files/favuxoresebikuxafoludaf.pdfIn PDF document text
- http://mamolenasnc.it/userfiles/files/23304538299.pdfIn PDF document text
- http://ekopaczka.pl/imgbrama/files/29596516240.pdfIn PDF document text
- https://novamakine.com/upload/ckfinder/files/paboxidif.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136bf758b6dc---kejewidoruxebapujejo.pdfIn PDF document text
- http://asiadomainstore.com/userfiles/file/disuterugudofusel.pdfIn PDF document text
- https://sharpconsulting.us/app/webroot/ckfinder/userfiles/files/nijekifotuli.pdfIn PDF document text
- http://pedraferro.com/files/files/84460105828.pdfIn PDF document text
- http://antichigelsi.it/userfiles/files/64059667233.pdfIn PDF document text
- http://15441707.com/data/board/file/20210909011320.pdfIn PDF document text
- http://wawa757.com/uploads/files/78820853575.pdfIn PDF document text
- https://ofly.om-digitalsolutions.cn/upload/files/9136827337.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a078a80f5b---soxomerukemivises.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=shareit+download+latest+versionPDF 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_off0000d7e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E0 | 17436 bytes |
SHA-256: a97708c4acf4739a28a355063fa1cbb9072f162b028b38acc7caee6f3020c8b4 |
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font_01_sfnt_off000105d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D7 | 10572 bytes |
SHA-256: 700e9e7b5e44728ed08e63380bf0e39b16c58c89e5f56909357619ee6880f679 |
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font_02_sfnt_off00011df6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DF6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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