MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is a PDF that contains numerous links to external websites, many of which are hosted on compromised or disposable domains. Heuristics indicate this is a link farm designed to direct users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://huntic.ru/uplcv?utm_term=tassonomia+batterica+pdf PDF link annotation
- http://allprintusa.com/admin/images/file/rijelakupogixo.pdfIn PDF document text
- http://ashioke.com/images/library/File/383526430.pdfIn PDF document text
- https://shreenathtechnologies.com/userfiles/file/zojanewirigeluwo.pdfIn PDF document text
- http://www.lnk-creation.fr/upload/file/wananupak.pdfIn PDF document text
- http://mientrungland.net/uploads/image/files/19561378327.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/44a70b6a235daf4292bd08a9ab22fb61/41728242596.pdfIn PDF document text
- http://bahattinburyan.com/userfiles/file/23387059411.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/jijivari.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/7109f70f3d1693fba5c39690b98e0280/44586580783.pdfIn PDF document text
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/93d73c993be170c5e2dbf9128533716e/jevisozasa.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c37a3f22294---15895619745.pdfIn PDF document text
- https://transmar.biz/ckfinder/userfiles/files/sekozomalezijofusogepika.pdfIn PDF document text
- http://esipro.fr/userfiles/file/ronagometobij.pdfIn PDF document text
- http://elite-nails.pl/Upload/file/2334247869.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/a837f31c5d07168a1e8813c58476c6ad/mafoxodadurijitadizegi.pdfIn PDF document text
- http://reichspfarrer.sk/file/89600084205.pdfIn PDF document text
- https://sssmri.com/ckfinder/userfiles/files/4175530414.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb766b6728---ziwetisamefenivutuxavidun.pdfIn PDF document text
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160aa256a079c1---7532838414.pdfIn PDF document text
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/6597bb713f91418bb58ab7929197bfdf/xewetupizegedisigejekif.pdfIn PDF document text
- http://j-line.ca/fck_upload/file/91144146985.pdfIn PDF document text
- https://stollerco.com/testingsites/advantage_aviation/assets/media/file/winovibevepoj.pdfIn PDF document text
- https://geo-decouverte.kenamedia.ch/ck/ckfinder/userfiles/files/10431517463.pdfIn PDF document text
- http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/70499255726.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_off000108e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108E0 | 10836 bytes |
SHA-256: 8b7815c144e45d5bfa2cc0c0354a6b87bc05cb42079688bbaeee58df622eb822 |
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font_01_sfnt_off000121ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121AB | 18024 bytes |
SHA-256: eb53470293850feb250ccf4519e35a7755c526bf3592aead6a063566537118e0 |
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font_02_sfnt_off00015143.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15143 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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