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. It contains embedded JavaScript and numerous external URIs that form a link farm, pointing to compromised websites and disposable hosting. These links are likely used to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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 https://philabc.ru/uplcv?utm_term=leica+gps+system+500+manual PDF link annotation
- http://factory-01.com/js/upload/files/55110050902.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614b675a53c53---fepatezudugop.pdfIn PDF document text
- http://htapigroup3.com/contents/files/rumon.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614eaf3a9e306---71478641173.pdfIn PDF document text
- http://acevina.com/webroot/img/files/relilobas.pdfIn PDF document text
- http://beiwendq.com/data/attachment/file/nawapunenabili.pdfIn PDF document text
- http://rld-carbon.com/file/bizobosizapiludedanejak.pdfIn PDF document text
- http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/wekovojawolabudedib.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151377e77a17---98142310991.pdfIn PDF document text
- http://luckysim.com/userfiles/file/betotuw.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16153ac4a6d325---ketebiwa.pdfIn PDF document text
- http://myslizdrave.com/soubory/ridot.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/161459b6ad8900---71003711898.pdfIn PDF document text
- http://dmhu.eu/uploads/uplib/file/tonugekorunipi.pdfIn PDF document text
- https://optical-axis.com/uploads/files/202109301644107881.pdfIn PDF document text
- http://mutamobilya.com/images_upload/files/49756409338.pdfIn PDF document text
- https://ksboutlet.com/file/files/5208106584.pdfIn PDF document text
- http://prota.ru/upload/files/57463451843.pdfIn PDF document text
- http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/96655828357.pdfIn PDF document text
- http://agedwedfjtj.pretty-match.com/upload/files/nozavoridizanumiwusuji.pdfIn PDF document text
- http://szolnokepul.hu/userfiles/file/28304391033.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_off0000afe7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFE7 | 14880 bytes |
SHA-256: b34ec2967e0e36f896e9ca494ef92313528f5ed7f167c4c710342226315e6890 |
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font_01_sfnt_off0000d5fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5FC | 10924 bytes |
SHA-256: c4708f34b546e081b03e2638eabe5e59fdfa255c8fed8235ca330f9a7db8691c |
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font_02_sfnt_off0000ef66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF66 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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