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 compromised websites or link farms. Heuristics indicate it's a link farm on disposable hosting and potentially a phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to malicious sites for further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://www.truca-taoules.com//ckfinder/userfiles/files/kawuxilupujuwu.pdf
- http://aliceinformaticasrl.com/user/pages/robukepi.pdf
- http://rlmlaw.com/images/edit_images/file/85701175012.pdf
- http://parzenica-bialka.pl/userfiles/files/vulajipifug.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c70780af165---54939556317.pdf
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/c44a338e81970646c2a44615814f42ba/19128730271.pdf
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160973b44bdbef---46114198735.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b7082aa4f0---62941952168.pdf
- http://nkmate.com/FileData/ckfinder/files/20210823_5C53E2F622718770.pdf
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/3b88e6931a90c6ca925f477d154fb09a/5287916072.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607a393943294---43803901860.pdf
- http://voijin.com/userfiles/files/konizoxim.pdf
- http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/getemikaf.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611599349fbed---54392527050.pdf
- http://anhuizhkj.com/upload_fck/file/2021-5-6/20210506234815195408.pdf
- http://airsoft1.ro/files/file/zofizelajipejipogaviluxo.pdf
- http://aroma-es.site/yamituki-n/uploads/files/sivuf.pdf
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/pb8oosl3bkpv86adag3r809s40/4982288919.pdf
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/aebhniokfm0v1gf8ld1rb0pvo5/88296503923.pdf
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/pffnqs0q0p42mkc4bqma7mtlba/93747007188.pdf
- http://sciattella.net/images/file/jumiraloxasowoweferogetaw.pdf
- https://sindonis.com/userfiles/file/35978995638.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/pppbda83db37ukc3trp2bdivof/39894871642.pdf
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/lb8f4g9s43ldm14v99rgc9od7d/lewuzumurobijafirisajoko.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=superstition+tabs+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c695.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC695 | 16792 bytes |
font_01_sfnt_off0000dea7.bin0ea833e08a37057979eecdfac72ade3072197149cd106b4cf558cbd713281463 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEA7 | 19712 bytes |
font_02_sfnt_off0001115d.bin9c9cfb602a040ae93a8358ce2a33a1f5f2e2cf11a1fa27bf0ae4ffdcbddf9024 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1115D | 10760 bytes |
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