MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to domains that are either compromised (e.g., WordPress sites) or appear to be disposable hosting. Heuristics indicate this is a link farm designed to redirect users, with a high ML score and ClamAV detection confirming malicious intent. The primary purpose appears to be directing users to potentially malicious or phishing content hosted on these external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://smidgel.ru/uplcv?utm_term=analise+de+risco+de+credito+pdf PDF link annotation
- https://led7.ru/file/74899730915.pdfIn PDF document text
- http://qca.ch/userfiles/file/tapijedolofo.pdfIn PDF document text
- https://zoomkish.com/basefile/zoomkishcom/files/befokalijebakox.pdfIn PDF document text
- http://centrostudiapulia.it/files/files/lexeresejajejulafi.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/16095ee9eace5b---kiresuxerizeregoborafe.pdfIn PDF document text
- http://gtlmarinefuel.com/userfiles/file/bifiluzuraxemuxuvesam.pdfIn PDF document text
- https://landi-bg.com/images/file/57574395909.pdfIn PDF document text
- http://psychologadamczak.pl/userfiles/file/duxixudiwuno.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/16acebdeb8ed87cabc5a1f5b0543de76/dawofujogoruravarutopo.pdfIn PDF document text
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160877273c80bc---wupebijutuzudenoki.pdfIn PDF document text
- https://kit-veron.my/ckfinder/userfiles/files/48804961671.pdfIn PDF document text
- https://chongtham68.com/app/webroot/uploads/files/mowoket.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161218d37bf023---45349577554.pdfIn PDF document text
- https://rjpexport.com/files/kigos.pdfIn PDF document text
- http://dansensvenner.dk/imagesfile///mofepisenereku.pdfIn PDF document text
- http://tulsamemorialclassof71.com/clients/84987/File/jomul.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb568c9bd0---83610227204.pdfIn PDF document text
- https://kopari.hu/files/file/11237574574.pdfIn PDF document text
- http://kennedy-jackson.com/clients/f/f7/f78508644b517540cdb1549d93860f53/File/58791816300.pdfIn PDF document text
- http://alarmy-kamery24.pl/userfiles/file/jusevesu.pdfIn PDF document text
- https://folklorebridge.eu/uploads/pictures/files/31369314994.pdfIn PDF document text
- https://gmt-tw.com/app/webroot/userfiles/files/97386930445.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_off0000e41d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE41D | 19864 bytes |
SHA-256: a3f80005a1d6a2022d5d21f2f4855875973d6baa9ea34e9fc86fee8512c573f7 |
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font_01_sfnt_off00011581.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11581 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012d98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D98 | 10596 bytes |
SHA-256: 729bf4cbb0dad1c6d11fe9db3db1b7ea8c81cb38d00a85773d58d49e5d5e3589 |
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