MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and a significant number of external URIs, many of which point to compromised WordPress sites acting as a link farm. The embedded JavaScript likely facilitates the redirection to these malicious sites, which are used to host further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 7
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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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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 http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d00366b098b---97385278168.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2b7e48232a---merupudapiz.pdf
- https://zerling.eu/nico/images/files/mukujoreriwewajabogiwe.pdf
- http://trongtinpc.com/luutru/files/43150941414.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8cde15ac9e---52156315500.pdf
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/v77soakkl8dodgstpb2suk8fp5/9245631901.pdf
- http://lukoilmarine.com/ckfinder/userfiles/files/lokipozo.pdf
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/l1arufuembq8inbutiqv1hdcp6/jipedowada.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acedb877872---49390411964.pdf
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd15a3a78b---71969667700.pdf
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a683594fe44---30256818690.pdf
- https://zlato-eu.cz/upload/files/kenovubafisaramolawet.pdf
- http://zonwering-nederland.eu/ckfinder/userfiles/files/50467539985.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/qcut55glhtns8vvg9gocisj2o3/ribowojixelanefunepitujo.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd25090b23---xaxafigakelamogesuba.pdf
- http://mamnonkitty.com/webroot/img/posts/files/47481259067.pdf
- http://proxima-design.cz/files/file/tekulem.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/4bbce1462f027096cd2326899468a81f/65557212695.pdf
- http://newabel.com/ckfinder/userfiles/files/13591631571.pdf
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160cedd353bb6d---56511823164.pdf
- https://jslt.site/js/ckfinder/userfiles/files/sidisu.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e047ce31b---10348652527.pdf
- https://maturana.cl/upload/file/25969826976.pdf
- http://studiosiriosrl.it/userfiles/files/14371158985.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=how+much+can+a+mobile+notary+charge+in+georgia
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f225.bin40c38972cbf108d9cf8ceb9134ee9c4f2f3ccc12572a58623b5c254fae2626a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF225 | 10940 bytes |
font_01_sfnt_off00010b51.binfe9239551b3faabd46d911dce15034e923347950e4a204268b4f1e859e835d6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B51 | 16916 bytes |
font_02_sfnt_off0001373b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1373B | 16792 bytes |
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