MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document's structure and embedded URLs are consistent with a tactic to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://capitaloffice.pl/fotki/file/gowileminapujerudofune.pdf In PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec077d7342---35929350478.pdfIn PDF document text
- https://romalasergroup.com/userfiles/files/39228010916.pdfIn PDF document text
- https://thefertilizerequipment.com/d/files/wemimegofanevefiwuraxumu.pdfIn PDF document text
- http://teamwork-poetschke.com/ckfinder/userfiles/files/zobofoxegapugona.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16109994ed262f---bajazam.pdfIn PDF document text
- http://travelspace.pl/userfiles/file/92767811104.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/94a376c9138da0d0e02de20ba9a5198f/subinojonug.pdfIn PDF document text
- http://www.toptehnik.si/images/74673656041.pdfIn PDF document text
- http://denprokhorov.ru/images/file/13905979722.pdfIn PDF document text
- http://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/zusuvefasedevutirexuxubop.pdfIn PDF document text
- https://www.grdr.org/paidel/ckfinder/userfiles/files/12770880985.pdfIn PDF document text
- http://wellfoto.cz/pictures/files/gogesoligipowu.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd05440298---60759506347.pdfIn PDF document text
- http://bociany.sk/media/file/45214375492.pdfIn PDF document text
- http://cukrarska-vyroba.cz/UserFiles/File/88232387743.pdfIn PDF document text
- http://iltorg.ru/upload/file/90101280998.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/17362505275.pdfIn PDF document text
- http://luxmeterthai.com/ckfinder/userfiles/files/gifaroweji.pdfIn PDF document text
- http://crmrealty360degree.in/userfiles/file/tadejulixavujopamabifovu.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1607c768430401---52108709350.pdfIn PDF document text
- http://xn--82cac8d3ajrc0gd0bo4a7nf3qg.com/userfiles/files/95617699863.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=betty+azar+grammar+pdfPDF 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_off0000ca5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA5E | 18648 bytes |
SHA-256: 18c38dd733e47f77763b42cf27be75dfb1beb0aeadea72af7a4a58fd0a73fc76 |
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font_01_sfnt_off0000fa35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA35 | 10540 bytes |
SHA-256: 17ff5202692cbdb14d5cc2b5d2143cda7aa5632c6d0f30e70a41211af9fb3793 |
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font_02_sfnt_off00011222.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11222 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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