MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs, many of which point to compromised CMS uploads and disposable hosting, indicating a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://ucg-eg.com/userfiles/file/21716673654.pdf In PDF document text
- http://pokrowce-ochronne.pl/Upload/file/39379043309.pdfIn PDF document text
- https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/romisuzo.pdfIn PDF document text
- http://rezidencianestor.sk/app/webroot/files/ckeditor/files/51848212660.pdfIn PDF document text
- http://hzbmsj.com/images/upload/File/viluxowavawik.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/26495450528.pdfIn PDF document text
- http://goldcoil.com/uploadfiles/files/xufajaful.pdfIn PDF document text
- http://aprt1day.ru/file/62578250409.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc671d365a---dadebibolilosoz.pdfIn PDF document text
- http://pastoret.it/userfiles/files/14220849474.pdfIn PDF document text
- http://headrepublic.pl/images/files/93623136717.pdfIn PDF document text
- https://ijp2.com/contents/files/fewefokevotitare.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/84815175253abf71014bb362ed1cdba9/lotafiposesovomal.pdfIn PDF document text
- http://hainfelderteich.at/jedax.pdfIn PDF document text
- https://rm-parketi.si/uploads/dulenumupediretabakiweme.pdfIn PDF document text
- http://noithatachau.vn/webroot/img/files/83173871335.pdfIn PDF document text
- https://prcomponents.com/ckfinder/userfiles/files/bujoluke.pdfIn PDF document text
- https://impactmediaresources.com/userfiles/file/lisuwatexoxotozomu.pdfIn PDF document text
- https://gallerylingard.com/uploads/file/savivukuditom.pdfIn PDF document text
- http://186086.com/upload/files/somazepezebowozemozopota.pdfIn PDF document text
- http://verkaufs-akademie.com/userfiles/file/2925526572.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/dunenabofe.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613804213533c---jasozilitewanasilokur.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=set+mms+settings+androidPDF 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_off0000d7f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7F3 | 10620 bytes |
SHA-256: 41ba2e9f70dc064a04c7dfe28925db1925b01bf8f2ca01dd4b7ce7258e6bf227 |
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font_01_sfnt_off0000effc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFFC | 18452 bytes |
SHA-256: a0f17be6c78375795ec733458e04309269e8a270115df815c192ed78e5e12b85 |
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font_02_sfnt_off00011fd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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