MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to disposable hosting or compromised WordPress sites, indicating a link farm for phishing or malware distribution. The ClamAV detection and ML classifier strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://billsky.ee/files/file/64210404115.pdf In PDF document text
- http://hostingureitings.lv/uploads/userfiles/files/pebef.pdfIn PDF document text
- http://sjmhospital.org/files/js/ckfinder/userfiles/files/94669650988.pdfIn PDF document text
- https://implantologie-deva.ro/app/webroot/files/userfiles/files/wesozis.pdfIn PDF document text
- http://enjoyisagenix.com/ckfinder/userfiles/files/rupusazejikepaki.pdfIn PDF document text
- https://giriconsultancy.com/content_files/files/67897084396.pdfIn PDF document text
- http://topaslt.com/userfiles/file/nekelelarimibapeli.pdfIn PDF document text
- http://sakem.org/userfiles/files/51832121258.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2246604f2---dipevatomi.pdfIn PDF document text
- https://www.edm-medical.net/ckfinder/userfiles/files/dutizaxet.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/161419ac3db7da---18562483993.pdfIn PDF document text
- http://ergo-logo-bamberg.de/userfiles/file/26003241163.pdfIn PDF document text
- http://taxplus.in/images/contentimages/files/42487549076.pdfIn PDF document text
- http://pmke.cz/pictures/files/94687645486.pdfIn PDF document text
- http://fujiya-la.com/uploads/files/23354150255.pdfIn PDF document text
- http://cualuoiskydoor.com/webroot/img/files/teveja.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2c1f0b642---72110871086.pdfIn PDF document text
- http://aktien-analyse.de/images/File/jiselu.pdfIn PDF document text
- http://udokutscher.de/gfx/userfiles/files/vomosis.pdfIn PDF document text
- http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/wuzefuzivadorapamipizile.pdfIn PDF document text
- http://ychnjl.net/userfiles/files/liwinalufubegexob.pdfIn PDF document text
- http://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/pikuzesiwugubukawifesa.pdfIn PDF document text
- http://uni-soar.com/userfiles/file/24194498817.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/3412dca531ff8706cd6d604fef23cfb4/fuvojijagogadesigoxekin.pdfIn PDF document text
- http://cdkkck.com/uploadfile/file/20210912080823.pdfIn PDF document text
- https://himarco.ir/basefile/himarcoir/files/wugoxezeriz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=android+pentesting+osPDF 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_off0000d248.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD248 | 18480 bytes |
SHA-256: 8ed791063a18d579d4d01291cc92b7438d659cf04bb08f5cf392709ef37c6678 |
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font_01_sfnt_off000102ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102AC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011ac3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AC3 | 10340 bytes |
SHA-256: 7950e1c1a39878425fcb79c1a2e1bcd578586e164007504e18d2f4cd5fe9a150 |
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