MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://archism.ru/uplcv?utm_term=it+chapter+123movies PDF link annotation
- https://rumusjitu.com/contents/files/ponabajomebovokabemidokaz.pdfIn PDF document text
- https://kermoulin.com/userfiles/file/tituxunubomewaridejuzu.pdfIn PDF document text
- https://clic-essc.ch/ck/ckfinder/userfiles/files/2683267194.pdfIn PDF document text
- http://shopabrang.com/images/files/jedolafobex.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16130fa3a741cd---nikej.pdfIn PDF document text
- http://altus.pl/userfiles/file/mavis.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131da69edc4d---94583237794.pdfIn PDF document text
- http://sethhukumchandschool.com/userfiles/file/8022694868.pdfIn PDF document text
- https://projekt-lesen.de/userfiles/file/29323465289.pdfIn PDF document text
- http://wsp.pl/userfiles/file/tunidisexubazamutexozaxo.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/kajimubokonubu.pdfIn PDF document text
- http://propertiesforrent.com/userfiles/file///60146920680.pdfIn PDF document text
- http://asia-test.informacittadino.net/media/files/jitukuwejujolaxegowoxode.pdfIn PDF document text
- http://huichem.com/ckfinder/userfiles/files/vevaxawo.pdfIn PDF document text
- https://ancoraeducacion.com/images/wodabobake.pdfIn PDF document text
- http://fotocaroli.it/userfiles/files/zitulimemowanoso.pdfIn PDF document text
- http://honghuibio.com/d/files/kuwapanemewufibab.pdfIn PDF document text
- http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/26676445975.pdfIn PDF document text
- http://german-ex.com/images/blog/file/84171023018.pdfIn PDF document text
- http://tjsijiqing.com/ckfinder/userfiles/files/2021/0906/9b441a15f91c77ff54dd7c174ba9d546.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613696ea09cb4---difisijizibira.pdfIn PDF document text
- http://kiavysocina.cz/UserFiles/File/vipanonunudadotegixusobi.pdfIn 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://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_off00013704.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13704 | 20184 bytes |
SHA-256: abccc63d456786675f3d261f0871d746216ec81293e2306a1bc5e5a4bb282375 |
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font_01_sfnt_off00016be6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16BE6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000183fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x183FD | 10852 bytes |
SHA-256: b3fe52f2cd000272987761d45c7a0d96ebb98d8669bfa41e788d64c4d83abb15 |
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