MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The 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 CMS uploads or are part of a link farm hosted on disposable domains. These elements suggest the PDF is designed to lure users to external sites, likely for phishing or to download further malicious content.
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://synerhu.ru/uplcv?utm_term=pineapple+smoothie+bowl PDF link annotation
- http://shqinze.net/admin/upimg/file///viwediduvupebezofujomini.pdfIn PDF document text
- http://ventiliatoriai.lt/js/ckfinder/userfiles/files/74235508019.pdfIn PDF document text
- http://www.deewanalarab.com/up_imgs/rezenufimemelulaf.pdfIn PDF document text
- http://ebd.su/UFD/7623/files/68869939472.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615200e3a7d1e---49530327348.pdfIn PDF document text
- http://glamour-nsk.ru/ckfinder/userfiles/files/delanemifeped.pdfIn PDF document text
- https://espritgt.com/userfiles/file/47718151486.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/9716b3dbc3ca567cd0f24eaf4e1c6a9d/38255289733.pdfIn PDF document text
- http://tdjl.com/uploadfile/file///2021092914112285.pdfIn PDF document text
- https://dusunceokulu.net/resimler/files/bewuzox.pdfIn PDF document text
- http://masterkontroll.hu/ckfinder/userfiles/files/88820024271.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615c11c5a0382---ritamunixaku.pdfIn PDF document text
- https://mr-alian.com/upload/ckfinder/files/3645627360.pdfIn PDF document text
- https://botroul.be/uploads/68117603792.pdfIn PDF document text
- http://bidwoodmachine.com/d/files/rimagonoba.pdfIn PDF document text
- https://art-eria.pl/mandarynka/pliki/files/pokemi.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/16135d170c682e---wexulikokokakarolumamunak.pdfIn PDF document text
- http://daiichibus.vn/uploads/news_file/34623941938.pdfIn PDF document text
- http://cassotech.nl/site/data/ws/files/78357991609.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613d982e0a753---jujawaxenupolegip.pdfIn PDF document text
- http://linpus.com/app/webroot/userfiles/files/1558625785.pdfIn PDF document text
- https://pastravariaizvoarelebratiei.ro/images/file/3814272522.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_off0000d742.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD742 | 19584 bytes |
SHA-256: cbbf83377256b00ec5aa28c5922fb28d9409fba7da0c68cf22c50ba0d459a7bc |
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font_01_sfnt_off00010967.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10967 | 10644 bytes |
SHA-256: f2b9f992ed7d7fe59cfe79b3a5a97e982500d984f95936a73f660e70e0e56109 |
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font_02_sfnt_off00012165.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12165 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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