MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by ClamAV and an ML classifier. Static analysis revealed it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS platforms. The presence of numerous links, including those with UTM parameters, suggests 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://inwebjor.ru/uplcv?utm_term=2+storey+house+floor+plan+with+perspective+pdf PDF link annotation
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/74402103798.pdfIn PDF document text
- https://beatmuellerfoto.ch/userfiles/files/6921967681.pdfIn PDF document text
- http://warwick-ems.org/userfiles/file/goganakowerob.pdfIn PDF document text
- https://cutandcolorparrucchieri.it/file/sajazi.pdfIn PDF document text
- http://www.motionmantra.com/userfiles/files/vivagabodowuvakinazuv.pdfIn PDF document text
- http://thefjordbaklawfirm.com/clients/876731/File/61717723205.pdfIn PDF document text
- https://residenciasanamaro.es/userfiles/files/tosolomub.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607987f9276ab---nanirumigezokibusivik.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f69b651694---wonitesewininof.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ce87c5758---38826977105.pdfIn PDF document text
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/96e96d334d56032f7a04f8157c6934c2/fisivimotobobirilabe.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc63d79a22b---linojumagakamulafofev.pdfIn PDF document text
- http://hotelgiottotorino.com/userfiles/files/13901792019.pdfIn PDF document text
- https://isosklo.cz./uploads/99757180680.pdfIn PDF document text
- https://laser123.com/geektic/files/xujup.pdfIn PDF document text
- http://dnepropress.net/files/file/95008800165.pdfIn PDF document text
- http://twfindia.in/userfiles/files/ziwedurifib.pdfIn PDF document text
- http://aylincinarli.com/fckfiles/file/vivumugufajuvalibudido.pdfIn PDF document text
- https://mvmdigital.gr/files/files/mimulutosegefanoxokubipe.pdfIn PDF document text
- https://primer-spb.ru/files/files/xasora.pdfIn PDF document text
- http://ucity69.com/clients/861769/File/56329039979.pdfIn PDF document text
- http://www.vikingmaterials.com/img/fedirusoditerikabik.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_off0000df24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF24 | 18212 bytes |
SHA-256: ac7f3038b0ec88b2521d9405aaf93e526cd9d180c515ed499add7ed82c9943c6 |
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font_01_sfnt_off00010e4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E4C | 11104 bytes |
SHA-256: 7d963cf45233277711f0ff65377a712a67facce88e8cb79e8867cd9ec29ee250 |
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font_02_sfnt_off0001284f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1284F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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