MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of links, many pointing to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm to distribute malicious content. The embedded URLs and link farm structure indicate an attempt to direct users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://brenno-tojestto.pl/userfiles/file/fovevamefevus.pdf In PDF document text
- https://dalnoboy.com/data/filestorage/upload/files/71682032729.pdfIn PDF document text
- https://europawindow.com/app/webroot/img/main_content/files/21352300480.pdfIn PDF document text
- http://conniecorsentino.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zepipuden.pdfIn PDF document text
- http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/36794592735.pdfIn PDF document text
- https://rpitrade.com/ckfinder/userfiles/files/20499315487.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1610c8d086189c---zetalomukatapononuj.pdfIn PDF document text
- http://pgpartyrentals-decor.com/clients/9/9b/9b45d36a3a4d562467d70d81bd292783/File/zedomapave.pdfIn PDF document text
- https://festival.bg/fckeditorfiles/file/31920021705.pdfIn PDF document text
- https://eventpro-kontraktorpameran.com/uploaded/files/33679877907.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160ad10c84de4c---zobizogazizopisukekigu.pdfIn PDF document text
- http://kaitosushisb.com/uploads/files/60141448604.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/1uvhb4u274ohs6q6o7iercf72g/81729798851.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/b88f4d8316240cd05102ef1a91d79c1d/sivikiwanigase.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/pgjtueis3vrf7f131ok51ekgk1/sovezevujoxovufonut.pdfIn PDF document text
- https://wemservice.com/ckfinder/userfiles/files/71209519570.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb21ff4e6df---rapawobakate.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e84679489eecd6badf35b1ccb66069d3/18239931238.pdfIn PDF document text
- https://peilimineko.com/userfiles/file/5732612956.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/v8lpp691id23qo5i42d4nfa26f/91074343767.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/453967b51e73839524eb237354444231/87139261921.pdfIn PDF document text
- http://pratiklinik.com/img/userfiles/files/ropematagoje.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/79616505353.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=ru%C3%ADdos+advent%C3%ADcios+pulmonares+pdfPDF 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_off0000e55a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE55A | 21492 bytes |
SHA-256: b9668ea577373e4155f9093807ad56dabe4187c04d7d763a2e5accefc62326c8 |
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font_01_sfnt_off00011c65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C65 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001347c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1347C | 11056 bytes |
SHA-256: 08179fad88a64feb464f4c1df1618b4ddeee8a2201ed2e82dfbd1355179d4280 |
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