MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many pointing to disposable hosting or compromised CMS uploads, indicating a link farm designed to redirect users to malicious sites. The presence of these links suggests an attempt to lead users to phishing pages or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://dom4m.by/userfiles/files/17471256148.pdf In PDF document text
- https://styliststudios.com/imagesTE/file/sesad.pdfIn PDF document text
- https://marljivo.hr/userfiles/file/15569673475.pdfIn PDF document text
- http://jawarakreasi.com/file/zugegidumumu.pdfIn PDF document text
- https://altaitur.com/ckfinder/userfiles/files/75239319182.pdfIn PDF document text
- https://biodent.ro/m4fm_files/m4news/ck-uploads-files/39151791137.pdfIn PDF document text
- http://taociren.com/upload/file/2109261613027156265n1t2ehry00t.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614494f9df7f7---zutofafuwebibowufulo.pdfIn PDF document text
- http://honmamon-s.com/img_seminar/userfiles/file/96403345645.pdfIn PDF document text
- https://beta.nhatthiengroup.com/files/uploaded/files/sotorizurojugejunusi.pdfIn PDF document text
- https://lotte-ppta.com/beta/assets/file/55139264053.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613222122917b---14034548330.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/1f0f6788be81f47609d337ab130d7427/11048873892.pdfIn PDF document text
- http://xatrbio.com/userfiles/file/97690735680.pdfIn PDF document text
- http://belgium-ex.com/images/blog/file/wimexolo.pdfIn PDF document text
- http://dvif.fr/userfiles/file/17804622771.pdfIn PDF document text
- https://hoangvan.vn/wp-content/uploads/files/nujununumizopijamovifu.pdfIn PDF document text
- http://sdtr.mdrap.ro/fckeditor/uploads/file/guzukumevej.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138161e58850---gufazokisujetapejigono.pdfIn PDF document text
- https://sinarlangit1.com/contents/files/18450630434.pdfIn PDF document text
- http://cnex.cc/images/blog/file/54131041218.pdfIn PDF document text
- http://liily.jp/upload/file/20210906021102.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/0f6312e8ea987ccb72b8946043fc3450/4127929456.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=treatment+of+hyperglycemia+in+emergency+roomPDF 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_off0000cf61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF61 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e773.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE773 | 17692 bytes |
SHA-256: d721fab9f3c33f3fa6cfd1a3606de3df5396fb50a75e69294e0eb7d01f7a8c55 |
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font_02_sfnt_off00011542.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11542 | 10836 bytes |
SHA-256: 6f597e66f904a6fa5bb0017090eb2fe674a0e9021f92a11b81404f526994f974 |
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