MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links pointing to various domains, many of which appear to be disposable or compromised hosting. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate this is likely a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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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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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://inwebjor.ru/uplcv?utm_term=nutrition+label+reading+pdf PDF link annotation
- http://sloplast.com/userfiles/files/masaxizakuvuzeka.pdfIn PDF document text
- https://iranjobex.com/cache/fck_files/file/fimidijowigovasesokaz.pdfIn PDF document text
- http://xn--knstlerische-biografie-arbeit-lbd.ch/userfiles/files/12546024674.pdfIn PDF document text
- https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/55f8c6eedc0805744f3852b31392b865/39035906617.pdfIn PDF document text
- https://stef-nancy.fr/upload/document/fatiredenavipaverikum.pdfIn PDF document text
- https://weeb.nu/userfiles/file/zigobixujetimesebus.pdfIn PDF document text
- http://anshan56.cn/userfiles/file/163053792945304775.pdfIn PDF document text
- https://jewfri.kr/files/image/files/jovemisiwotodered.pdfIn PDF document text
- https://isitekmuhendislik.com/userfiles/file/lojofiruwojetobawofuke.pdfIn PDF document text
- http://zrdb-drogbud.pl/Upload/file/25192108448.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160832edf29dc9---37756253006.pdfIn PDF document text
- http://goodwynva.com/clients/d/de/de91e19d235d8a3764238851c6b73f99/File/33671758072.pdfIn PDF document text
- https://ipic.vn/userfiles/file/69124533082.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/6nt00nsq6dcmvvvp2k3d05c3d4/nosasoxo.pdfIn PDF document text
- http://besttailor.info/ckfinder/userfiles/files/xuxotaje.pdfIn PDF document text
- https://hotelite.in/userfiles/file/19712145243.pdfIn PDF document text
- https://dpengineerindia.com/admin/userfiles/file/liviledufinirowevedakijo.pdfIn PDF document text
- http://3dsami.org/uploadfilefiles/97127178816.pdfIn PDF document text
- http://unibeauty.com.br/ckfinder/userfiles/files/sopimopo.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2cf2691aae---98861599659.pdfIn PDF document text
- http://msslink.ru/userfiles/files/62163583519.pdfIn PDF document text
- http://mustang.tom.ru/jsplugins/ckfinder/userfiles/files/19823606884.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_off0000c062.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC062 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d874.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD874 | 16580 bytes |
SHA-256: 276a92fbeb73cc79159ab71d80d98b3e6865cbcce10d9a3dff688d66bad2f1ae |
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font_02_sfnt_off0001027b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1027B | 10720 bytes |
SHA-256: 063ac3574d03fb8b6f40da4a54b690a2227c39b87b923db4f75bc29c794a598a |
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