MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of embedded URLs, many pointing to compromised CMS upload directories, suggesting a link farm designed to redirect users to potentially harmful content. The primary attack pattern involves leveraging these links for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/161373d8113c0f---50195720517.pdf In PDF document text
- http://ettorebelfioreliutaio.it/userfiles/files/11727833198.pdfIn PDF document text
- http://zuche0551.com/upload/file/kivovokexopaxiboxele.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/beded8d51ae248ff6c1a40b3023a03cb/2761503852.pdfIn PDF document text
- http://avrig35.ro/uploads/fck_editor/file/logolikubip.pdfIn PDF document text
- https://successalpha.team/upload/files/15632359904.pdfIn PDF document text
- http://importfoodfair.com/userfiles/image/2021/09/file/sijapasa.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16139406e32a5d---gixiji.pdfIn PDF document text
- http://laros.cz/UserFiles/file/wevomimum.pdfIn PDF document text
- http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/jumukotiketomuduboxojukut.pdfIn PDF document text
- http://radio-salsa.fr/php/rs/filesupload/file/renamogekidijudital.pdfIn PDF document text
- http://erdbau-rauch.at/16302494391.pdfIn PDF document text
- https://foundationkuzmanov.com/files/5465388967.pdfIn PDF document text
- http://rapabzenec.cz/obrazky/files/5083483699.pdfIn PDF document text
- http://hz-karavany.cz/ckfinder/userfiles/files/rudat.pdfIn PDF document text
- http://www.cda.org.hk/ckfinder/userfiles/files/47031472834.pdfIn PDF document text
- https://softwebstar.com/shop/userfiles/file/12647094041.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161395100870ab---56546259353.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613aff759122c---28287248167.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/eaee249b405538d558ce5689b97c6b73/vujobunuxexukozutaw.pdfIn PDF document text
- http://tznjl.com/userfiles/files/kafekesazijajufexobiko.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1ccbd1ba0---78066047368.pdfIn PDF document text
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/16135b65b44074---musoxe.pdfIn PDF document text
- http://hyundaihungthinh.com/uploads/images/files/26655913209.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=the+walking+dead+season+2+episode+3+watch+onlinePDF 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_off0000d596.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD596 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eda8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA8 | 17104 bytes |
SHA-256: fcdb1bf50bce33b97fb98c2d9444ec2172e275a7c381d49f1ca13a4397eadf13 |
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font_02_sfnt_off00011a32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A32 | 11128 bytes |
SHA-256: ee1dd51b23228f7e0a54cb6bbb7b87b577aa0d4a8da6f86e083f39bc32dc88c4 |
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