MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as a phishing trojan and ML classifier. It contains numerous links, many pointing to compromised WordPress sites and disposable domains, suggesting a link farm or phishing lure. The presence of external URIs and a link farm heuristic indicates the document's primary function is to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 https://dodatkireklamowe.pl/web/uploads/files/56267499753.pdf In PDF document text
- http://nesemlak.com/test/images/uploads/files/simom.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608549f5a92a5---93734047557.pdfIn PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/bb2ie96th4kj3todb0b8faobv4/rinuxi.pdfIn PDF document text
- http://findmealocalpainter.com/insurazon/admin/userfiles/file/sewiragopimowinabanunulef.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/2cobm2dfm624fo7k13iqa2i1q4/tedotamiwuvonufafawubol.pdfIn PDF document text
- https://sardavetri.it/userfiles/file/paxuditomofemezafuba.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098c363eed72---10691234749.pdfIn PDF document text
- http://feg.vn/uploads/files/25182916366.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080e5225cac7---6269461504.pdfIn PDF document text
- https://fonixkoncert.hu/upload/file/83986927452.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b894e2f3873---64908327463.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/gupefepaxizedam.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bfcbde4c0a8---81657514837.pdfIn PDF document text
- https://geneolock.com/locktactyuma/userfiles/file/7094918088.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609cba03f416e---83804499849.pdfIn PDF document text
- http://hillsdale66ersreunion.com/clients/c/c6/c679c52642bc64dd8629b98fb95ccc77/File/dubixurojo.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a053097628b---rebubifukugivak.pdfIn PDF document text
- http://cuatudongbinhduong.net/uploads/files/rokogisusavuwokixa.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/tudifuvedirikezoruzive.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/9f3bd2eae13e8c9898ee969eec8f0ae4/xogorexisikogimoti.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16077e283b6211---78455531083.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160830ffd5dbaa---figazed.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=aretha+all+i+need+to+get+byPDF 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_off0000bb82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB82 | 10596 bytes |
SHA-256: 3d9f85cd249b31af75562e04da8ec6d4cc8685300ebb11e1187dd2a3591c82d7 |
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font_01_sfnt_off0000d364.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD364 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eb76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB76 | 16168 bytes |
SHA-256: 38c016c5b31249b42a691ba1c4c30555a7088db4e011b4bf97a8bc6bbb908e13 |
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