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 and other disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites via a spearphishing attachment. No scripts were extracted, limiting the analysis of specific execution methods.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://bularz-auto.pl/images/userfiles/file/xesixivolemidunozunurilem.pdf In PDF document text
- https://consultingexpert.eu/fckeditor/userfiles/file/xuxemo.pdfIn PDF document text
- http://aptchasers.com/FCKeditor/userfiles/file/76688060893.pdfIn PDF document text
- https://laps.pl/userfiles/file/47444393791.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/4r0lqm9jtheqaee4lsmj0eeafk/nudiwolorosinofodomad.pdfIn PDF document text
- https://rumahbaruku.com/contents//files/zalorol.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/727d8c7695dcdd7c49cad027053c07e9/19002802765.pdfIn PDF document text
- http://dagmar-e.de/userfiles/file/26432268064.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16089235831288---39620474118.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa81276580---36273485251.pdfIn PDF document text
- https://traveletrust.com/basefile/traveletrustcom/files/nelepuwezuxiz.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa4cd6df17---97383342281.pdfIn PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/5qht6j59c9j7ktjq9f4gkngpcs/futetufi.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/ujdd66qr1fb1h8vbo5ivrgmruv/taziwukamodalomogewaxes.pdfIn PDF document text
- http://sochi-polyana.com/ckfinder/userfiles/files/46060847753.pdfIn PDF document text
- http://tradeweb.es/userfiles/file/58300473545.pdfIn PDF document text
- https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16092bf352ea64---35524905399.pdfIn PDF document text
- https://birudongker.com/contents//files/90463392625.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160867bf67961c---5907764023.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ac30c897fa6---kugopuwar.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/4f6702a76b213465371f2d7e50e15f0c/nikik.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd52ae8e6fa---98073239508.pdfIn PDF document text
- http://chothuethietbi.info/img/files/1849269777.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/7kauq5bfeaeunhevdb9ufvagvi/12106376929.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=sweet+dreams+are+made+of+this+lyricsPDF 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_off0000ba69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA69 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d27b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD27B | 15044 bytes |
SHA-256: 305510c8039f120fdd47900ec36a3ad5b4e34d1fbe8aed6100c8c4d9c9147c33 |
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font_02_sfnt_off0000f8aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8AA | 10912 bytes |
SHA-256: fa426c356ec3936ec014d2233957cc6bd1bb978b3673c2e51c9c86f46ddbd687 |
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