MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous links to external websites, many of which are hosted on compromised or disposable domains, suggesting a link farm designed to lead users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically classifying it as a phishing trojan. The presence of multiple PDF link farm heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://tnslib.net/userfiles/files/10759207591.pdf In PDF document text
- https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/f6c2322f6cc162620630579bf1debaa1/falevodexufi.pdfIn PDF document text
- https://motty-etai-sharon.com/files/files/nofefedoxutu.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160784fbf4bf9f---28354037792.pdfIn PDF document text
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/1lrifer0hse7uabqbg8scn8jok/magonuzamobifuweme.pdfIn PDF document text
- https://ofertaromania.ro/ckfinder/userfiles/files/89289687408.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160fddf86113e1---52247193435.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/0b1aikphkh5k8u74kpokrrp6et/84284979780.pdfIn PDF document text
- http://precedent.by/_newsite/images_from_html_editor/file/zobotikivi.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3f6d974c4---57372732224.pdfIn PDF document text
- https://lawrenceyezersky.com/userfiles/file/53943936451.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b010e4be85---3710454879.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/65100669613.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8a892e2b71---pigitazugogima.pdfIn PDF document text
- https://grandhotelbulgaria.com/userfiles/file/42950278941.pdfIn PDF document text
- http://111-orte.de/testarea/cwsCMSlight/media/files/6646351331.pdfIn PDF document text
- http://cs-golfclub.com/ckupload/files/63910942244.pdfIn PDF document text
- http://irs-messtechnik.at/upload/63074300658.pdfIn PDF document text
- http://www.mmalappeenranta.com/tiedostot/files/goramezirulufedepux.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f98c4a14d9---serosibunup.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/55306937717.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160a8aa9f0323e---linirigo.pdfIn PDF document text
- http://noithatdangcap.vn/app/webroot/uploads/files/nanepofajexepofuv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+get+joystick+in+pokemon+go+2020+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_off0000dd7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD7D | 11468 bytes |
SHA-256: 8d485c315ac24289b22fda0ec98905afa2f2292dc5a5c35121322adf90997e8f |
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font_01_sfnt_off0000f879.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF879 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001108b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1108B | 16864 bytes |
SHA-256: 5b54f7df036861aa4173d961781d954513c4e376bbaff080d99d10d0f4a8adf4 |
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