MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to disposable domains or compromised WordPress upload directories. This behavior is characteristic of a link farm designed to distribute phishing content or malware. The ClamAV detection and ML classifier further support its malicious nature, indicating it is likely a phishing or trojan distribution document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9926
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://cezanart.com/userfiles/file/49856191072.pdf
- http://nensi.si/upload/file/pewuxorujesosepake.pdf
- http://yangpupark.com/uploadfile/files/93483998789.pdf
- http://stinpo.com/ckfinder/userfiles/files/15986594049.pdf
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087c90a0cf29---zavigi.pdf
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/5po0oduqic9d66ep4mtas7e0e3/74012101830.pdf
- http://maslatalaia.com/userfiles/file/supopugudinikavifazor.pdf
- http://anhuicrew.com/upload_fck/file/2021-4-29/20210429225626884075.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080007f63935---xiwabowir.pdf
- http://ztkammer.at/uploads/file/81723585611.pdf
- http://animationcoach.com/userfiles/file/pedizo.pdf
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091d4d9b87ca---vozirof.pdf
- https://pk-kuepfer.ch/ckfinder/userfiles/files/47540170968.pdf
- http://akcjonariusz.com/UserFiles/file/dafeponizojuza.pdf
- https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8408b0867---rulid.pdf
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/603b604818594acb4ad0f051387cd75f/88206491320.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/hv18hm3lirqklb3b9k62l44squ/maropewul.pdf
- http://studiogeologicotrilobite.com/userfiles/files/5111559627.pdf
- http://penzionriverside.cz/files/file/rerunawidilakazi.pdf
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/2f620224709387ba5a387478f3d76412/15086508426.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/2subfq6eu14ml6n1gssklibs54/85895602202.pdf
- http://scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/sufematunifixiv.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d94c9228689---75848526568.pdf
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/ung6uto0upj9vie4mbprokse7u/zuxifasu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=general+conditions+of+tender
- 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_off00012ebc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EBC | 16792 bytes |
font_01_sfnt_off000146ce.binfd3ffa9643cad2ebbb5519c14091c2c3b4dfe094a8ec2a8df4e30338fbce3edb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146CE | 17096 bytes |
font_02_sfnt_off0001738f.bina47066463c90b87eacc557aa5f83229e01557938063766bc71a0f6216bbb3a70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1738F | 10508 bytes |
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