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 and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains numerous external URIs and links to compromised WordPress upload storage, suggesting it functions as a link farm to distribute malicious content or conduct phishing. The presence of these links indicates an attempt to redirect the user to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 https://laborke.ru/uplcv?utm_term=meaning+of+tender+resignation PDF link annotation
- https://art-eria.pl/mandarynka/pliki/files/wivuwenekemivisemuteline.pdfIn PDF document text
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160733f2c78198---92897236528.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ebc4a3623---tobavum.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccf035d25c---gafotuva.pdfIn PDF document text
- http://cosyromania.com/media/file/kifowolebas.pdfIn PDF document text
- http://owtsreunion.com/clients/e/e7/e717deb27d844c69ffc49b2d3c0bb1a5/File/31821927095.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd8f2d6ae0---fonilitimavupidib.pdfIn PDF document text
- https://louvre.lv/res/wysiwyg/file/9971416062.pdfIn PDF document text
- https://avistravel.ro/userfiles/file/kilomevi.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b09ec1b808---surupemofekigazevaw.pdfIn PDF document text
- https://phunhai.net/upload/files/73455462774.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba8667b73f8---76169220833.pdfIn PDF document text
- http://vtaky.sk/media/file/75165324488.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160803e3750a25---jememagado.pdfIn PDF document text
- http://eyela.kr/uploadfile/fckeditor/file/bosexetosunibekujowa.pdfIn PDF document text
- http://urotunisia.com/uploads/FCK_files/file/kawabinupogavogoso.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/91447441460.pdfIn PDF document text
- https://egyptsuntours.com/userfiles/files/rotenavu.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072fe4737c29---gobulewujamujijusag.pdfIn PDF document text
- 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_off0000cf1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF1E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e735.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE735 | 10476 bytes |
SHA-256: e7386aa6ac146972ef7685e83550e7ab4422ce406e79bdb849551723f25648fa |
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font_02_sfnt_off0000fee8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE8 | 16232 bytes |
SHA-256: 8225a0a79d38e3da1912d7fec4e30f9bfe68d842d884868443c5bc2b07979f21 |
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