MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to potentially compromised websites or disposable hosting, indicating a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution. The primary function appears to be redirecting users through a network of links, potentially to a malicious payload or phishing page.
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 http://otworz-biuro-podrozy.pl/userfiles/file/tetisedo.pdf In PDF document text
- http://phutungotodungha.com/img/files/76523325878.pdfIn PDF document text
- https://braindevelopmentmaps-org.neurondevelopment.org/userfiles/files/86143563949.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140689d6d104---12782671893.pdfIn PDF document text
- https://wfca-czech.cz/temp/userfiles/files/3533777415.pdfIn PDF document text
- http://nexxstep.nl/userfiles/file/sexit.pdfIn PDF document text
- https://chambredhotes-savoie.com/ckfinder/userfiles/files/6872356251.pdfIn PDF document text
- https://nepaltrekkinginhimalaya.com/assets/userfiles/files/sirodomilovagulutosasimo.pdfIn PDF document text
- http://diepdoanhmetals.com/media/ftp/file/20948360239.pdfIn PDF document text
- https://phoenixturkey.com/upload/ckfinder/files/reladevov.pdfIn PDF document text
- http://nwatchonline.info/userfiles/file/tuwijadisoboguviguw.pdfIn PDF document text
- https://ratodua.com/contents/files/sixur.pdfIn PDF document text
- https://ddshower.com/ckfinder/userfiles/files/90274491454.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1613fff4c6c0b5---xuzumimulativokixewowigap.pdfIn PDF document text
- http://emons-verlag.net/testarea/cwsCMSlight/media/files/wumaxakifidige.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16146b3faaec64---zovimuzofuwexox.pdfIn PDF document text
- http://awarelaxcentrum.cz/user_files/file/wesebizaluv.pdfIn PDF document text
- http://rudolphalexander.com/uploads/files/94294625848.pdfIn PDF document text
- http://neoclassicalmansions.com/uplds/file/60541277011.pdfIn PDF document text
- http://cityclick.it/userfiles/files/bowodaguwojilisu.pdfIn PDF document text
- http://195exim.com/datas/files/29832944742.pdfIn PDF document text
- http://fcraregistration.com/UploadedData/file/53749309905.pdfIn PDF document text
- http://xn--80aiddhbkcq5bcaz.xn--p1ai/upload/files/1102156356.pdfIn PDF document text
- http://studiomilano.eu/userfiles/files/61498216911.pdfIn PDF document text
- http://paramountswimwear.com/userfiles/files/suvim.pdfIn PDF document text
- https://insinkerator.us/images/uploaded/file/20691445663.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=periodic+table+ap+chem+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_off0000b719.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB719 | 10752 bytes |
SHA-256: 82d011f259dfc81f030264336851c7aab06f634705cddde7b4749ae6b22afec5 |
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font_01_sfnt_off0000cf87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF87 | 16668 bytes |
SHA-256: ac10137550cf1f66bb8d591c6c48aa632419d1518aff977396affff6e5e4b5c2 |
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font_02_sfnt_off0000f9da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9DA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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