MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV. It contains a large number of embedded URLs, many of which point to domains associated with compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of external URIs and the nature of the links indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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=ingilizce+g%C3%BCnl%C3%BCk+ders+plan%C4%B1+%C3%B6rnekleri PDF link annotation
- http://dichvuwebsites.com/media/ftp/file/65810515943.pdfIn PDF document text
- https://unserbiokorb.ch/userfiles/file/zunovitekegijijenarus.pdfIn PDF document text
- https://wfca-czech.cz/temp/userfiles/files/86317702786.pdfIn PDF document text
- http://wildpflanzen-planung.de/file/vovototavej.pdfIn PDF document text
- http://busangh.com/attfile/fckimg/file///2021081712938_1015921886.pdfIn PDF document text
- http://zgic.ru/!upload/files/32624802160.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/gaxakelumogajopase.pdfIn PDF document text
- https://fibra-optica.ro/ckfinder/userfiles/files/vunepafe.pdfIn PDF document text
- http://stallingreunion.com/clients/a/a3/a37dbb3dca22f8cb40f44de83fe48269/File/58327193812.pdfIn PDF document text
- http://jakpaisanestate.com/images/upload/files/78354878802.pdfIn PDF document text
- http://choinka4x4.org/cms/files/file/fotelowumedilevuzezos.pdfIn PDF document text
- http://marinda.ru/pics/images/file/fakutozedurazabuvasazuri.pdfIn PDF document text
- https://caror.hu/ckfinder/userfiles/files/kurevoranizubawopet.pdfIn PDF document text
- http://www.aqsclimited.com/EditorImages/file/98405669208.pdfIn PDF document text
- http://szakkepzosiklos.hu/upload/file/88988704967.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/84e2e43f86afabe912219a7375ba89d2/16719581892.pdfIn PDF document text
- http://tw-go.org/files/31951070331.pdfIn PDF document text
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16088b095a31ee---41017112177.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610c964e67f94---77011062274.pdfIn PDF document text
- https://kurishupally.org/userfiles/file/89793140869.pdfIn PDF document text
- https://alkirbilaw.com/userfiles/files/bajinafidixowugite.pdfIn PDF document text
- https://florerialafloresta.com/ckfinder/userfiles/files/kikosavepokax.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_off0000b912.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB912 | 11024 bytes |
SHA-256: da05ec1666e1e96bbbef36cb94c64ccbd36f036e229c62ee29cb2a0ddf510995 |
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font_01_sfnt_off0000d239.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD239 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ea4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA4B | 18084 bytes |
SHA-256: 57e440e90b7f8a063fad30208b23ccbced35f9969c1c4ff79bdef5e349ac670e |
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