MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://firsatpin.com/calisma2/files/uploads/zifinapanojopepova.pdf In PDF document text
- http://elosc.com/upFile/file///ITX202109101531155599.pdfIn PDF document text
- https://kop-trans.pl/uploads/userfiles/files/63668377183.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135a09461628---91779404124.pdfIn PDF document text
- http://kovove-ploty-brany-zabradli.cz/UserFiles/File/notutajiworagok.pdfIn PDF document text
- http://isspskola.lv/userfiles/files/9253245913.pdfIn PDF document text
- https://aymexco.eu/ckfinder/userfiles/files/jekuk.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16132cb80f405d---91604225293.pdfIn PDF document text
- https://betsin.org/userfiles/files/75665247123.pdfIn PDF document text
- http://fazendasaojudastadeu.net/fotosempresa/files/kuverisodaze.pdfIn PDF document text
- https://houstoncoinshow.org/FCKeditor/file/gejamazolefivanit.pdfIn PDF document text
- http://hodoan.net/userfiles/file/50899678860.pdfIn PDF document text
- http://sonnenheizung.ch/fckeditor/editor/images/file/71560130976.pdfIn PDF document text
- http://bedrucken24.de/userfiles/file/wukididemukinetilasozo.pdfIn PDF document text
- http://vucert.vn/uploads/files/rolopurivosituwovurerij.pdfIn PDF document text
- http://runbo.net/upfiles/files/16306484798665.pdfIn PDF document text
- https://dienhoanghean.com/upload/ck/files/zizorufitafin.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614141e6d85f8---gimeluzawagijunexovujepi.pdfIn PDF document text
- https://jewfri.kr/files/image/files/matarujubirufoki.pdfIn PDF document text
- http://silver.jo/ckfinder/blanc/files/vedejagalijaburexijaxuto.pdfIn PDF document text
- https://diamond-marketing.cz/soubory/fegasa.pdfIn PDF document text
- http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/25483090696.pdfIn PDF document text
- http://illinoislivestock.org/userfiles/file/mirumovegefadini.pdfIn PDF document text
- http://bxbrdh.marketsearching.com/upload/files/97753870046.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/264deb2907d7765c5cf150966f8914ad/10098603688.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=where+is+ctrl+key+on+android+keyboardPDF 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_off0000e3cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fbdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBDF | 19508 bytes |
SHA-256: 5dcdd80a3d99898e7edecd5e470922ed49b2b5455bee5c4d9a992d8cc65d9569 |
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font_02_sfnt_off00012f17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F17 | 10808 bytes |
SHA-256: 5d98a326a5d468cda7c6ab2817f3bff60f6f52c7c19bf74c66a7aa9ab1595af0 |
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