MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and ML classifiers. It contains embedded JavaScript and a large number of external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The embedded JavaScript likely facilitates the redirection or further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://ostrichpharmaceuticals.com/userfiles/file/93125953297.pdf In PDF document text
- https://officialbacknumber.com/editor_up/lafewefure.pdfIn PDF document text
- https://geneticapanama.com/userfiles/file/89209939061.pdfIn PDF document text
- http://analogsys.com/uploaded/file/18761712176136f9272e649.pdfIn PDF document text
- http://musicpark-live.com/userfiles/file/9582681204.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613651a1a6718---9659174173.pdfIn PDF document text
- https://tims.ro/ckfinder/userfiles/files/54324298272.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/eegniudrh29gdgcn38n27fe552/tifoxafa.pdfIn PDF document text
- https://muzpony.de/obrazki/file/1282609960.pdfIn PDF document text
- https://mobile-translator.eu/app/webroot/media/files/wamepuxo.pdfIn PDF document text
- http://vzwsportenmuziek.com/content_docs/49195062246.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee4c3dadf3---mobusizerivabibakinifene.pdfIn PDF document text
- https://www.ebenisterie-burette.com/ckfinder/userfiles/files/fixifenikiretemif.pdfIn PDF document text
- http://ggmtc.net/userfiles/files/21554363366.pdfIn PDF document text
- http://ascensionchina.com/userfiles/file/selazizugijasaroj.pdfIn PDF document text
- https://tradegateindia.com/userfiles/file/sebiwexutijafunosaf.pdfIn PDF document text
- http://htk2.altrodesign.eu/ckfinder/userfiles/files/vowumitexawamewexonemogu.pdfIn PDF document text
- https://glaze-metalart.com/upload/files/33198328255.pdfIn PDF document text
- http://ruiqingchem.com/upload/files/11347542644.pdfIn PDF document text
- http://fabriquetextil.com/js/new/fckeditor/userfiles/file/38199937012.pdfIn PDF document text
- https://harshahometutors.com/uniformkontakt/userfiles/image/files/12567113192.pdfIn PDF document text
- https://chongtham68.com/app/webroot/uploads/files/42902517057.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=iptv+free+apk+2020PDF 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_off0000d83f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD83F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f051.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF051 | 18792 bytes |
SHA-256: 622cfd5ca58bbd580afc1267b1973865e91a16d2702f6979e0e1c80df01ba63d |
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font_02_sfnt_off000120a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120A9 | 10172 bytes |
SHA-256: 1a1a91b499c75d2d3de8cfcb6477e4b802f79bbd2babe4c7b10d3c4f4743e78a |
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