MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to disposable hosting and compromised CMS upload storage, characteristic of a link farm used for phishing or malware distribution. Heuristics indicate a high likelihood of malicious intent, with ClamAV specifically detecting it as a phishing trojan. The embedded URLs suggest the primary goal is to redirect users to external malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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://coretry.ru/uplcv?utm_term=toefl+essay+samples+pdf PDF link annotation
- http://brukbet.com/user_images/file/jerurilipaxozibazowasobab.pdfIn PDF document text
- https://www.dogandemir.av.tr/paketler/ckfinder/dosyalar/files/47670339470.pdfIn PDF document text
- https://acgroupenterprise.com/userfiles/file/16751741800.pdfIn PDF document text
- http://teenmag.cz/userfiles/file/popivexadagimetut.pdfIn PDF document text
- http://njbeihang.com/uploadfile/file///2021090314180531.pdfIn PDF document text
- http://urs-certification.com/gais/image/file/85047631370.pdfIn PDF document text
- http://xaydunglenguyen.vn/upload/files/d9279e.pdfIn PDF document text
- https://felicitareonline.ro/ckfinder/userfiles/files/jusuromofurenururexasegew.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613438cc982c8---gasogudikelumopoxof.pdfIn PDF document text
- http://c-six.it/userfiles/files/riwiw.pdfIn PDF document text
- https://kme.pl/global/app/webroot/uploads/file/16308340946344.pdfIn PDF document text
- http://thanglong.vn-greenenergy.com/ckfinder/userfiles/files/jokanezutibegikazafutorit.pdfIn PDF document text
- http://madmojo.com/fckupload/file/87647468532.pdfIn PDF document text
- https://cuisinescartier.ca/upload/editor/file/getipewujapaxupun.pdfIn PDF document text
- http://sriagasthiyarastro.com/FCKeditor/userfiles/file/50506761251.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/161402a048d884---9912607931.pdfIn PDF document text
- http://jiji.pgo.tw/pic/uploads/files/mekajezabunutiwavofugosi.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16145cda64218a---50820328994.pdfIn PDF document text
- https://bloomlight.pl/_bloom/file/dofanumo.pdfIn PDF document text
- http://kaies.cn/upfiles/file/84891637469.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135526d05d06---wenogirovutijarevegisu.pdfIn PDF document text
- http://refpecsbelvaros.hu/kepek/files/50142398560.pdfIn PDF document text
- http://goraku-sangyo.com/userfiles/file/33785438963.pdfIn PDF document text
- http://skncn.com/u/files/86889453912.pdfIn PDF document text
- http://zeci.nl/im/image/43229632895.pdfIn PDF document text
- https://chezgregoire.fr/userfiles/gonukewejiwiwi.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_off0000b689.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB689 | 15292 bytes |
SHA-256: 9fdfd7363509adcdefcb23bc1a101d87c87a783e5c46d4a9a300441289247796 |
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font_01_sfnt_off0000dd66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD66 | 10340 bytes |
SHA-256: 54cadcc3aace42d2714161b2e51f82c9643528d469f6e1027e8cc0249cb01808 |
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font_02_sfnt_off0000f4d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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