MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and a high-confidence ML classifier. It contains numerous links, many pointing to compromised websites or disposable hosting, suggesting it functions as a link farm. The presence of external URIs and a link farm on potentially compromised CMS uploads indicates an attempt to redirect users to malicious or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
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://commune-bourre.com/userfiles/file/rijofoxibojajotilojab.pdf
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/40faa1fa07f7a9b6c9a6f55d9d7dbb0b/29076076129.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d60e78cfa6---fofijurudimifofanikag.pdf
- https://kitapkaplama.com/upload/ckfinder/files/49350962514.pdf
- http://acrclubinversores.com/files/galeria/files/3108116696.pdf
- http://ingpoggi.eu/userfiles/files/96281477856.pdf
- http://hyunbulsa.org/~ewedd2/userfiles/file/27839351431.pdf
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/o45nhagdbp4sm4n8h0r5st4evt/68055754027.pdf
- http://xn--42cfa4ewb0a0b3fwh.com/imageupload/files/ritavawufarimunodigona.pdf
- https://media-get.ru/userfiles/files/56543533701.pdf
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/gf6fejir6nmfj5qknruu15l55f/36955151242.pdf
- https://villatoscana-pi.it/userfiles/file/56687665609.pdf
- http://fritz-fahrlaender.ch/download/kuxobagunisupunog.pdf
- http://studiorapizza.it/userfiles/files/wabezevuwurijo.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a700c3eda43---nevavulodumugafedasokukux.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/84ca1b6e40d6d1467fb19d99bcba2386/77133303326.pdf
- http://woodwork.pl/ubezpiecz/obrazy/file/93585821897.pdf
- http://qazaqbanki.kz/data/content/files/51045548646.pdf
- http://logiccpacma.com/ckfinder/userfiles/files/87416528132.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161147d84d42db---37653738143.pdf
- http://podlahyadvere.sk/editor_uploads/system/files/60910336720.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/6f1475c2be0d907f885c0eefaac323c4/lotigowumox.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=black+forest+recipe+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_off0000f201.binbfb5ea2c767a7c106acda7d3d16abd7b3a6dd24d02e017a89a39de5898e4c2c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF201 | 10656 bytes |
font_01_sfnt_off00010a95.bin10e5fbac7679035d21456bd4b625cbe70e7e38dd07c0b3cdba5f92fc11271d37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A95 | 18644 bytes |
font_02_sfnt_off00013b1b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B1B | 16792 bytes |
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