MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous links, many pointing to potentially compromised WordPress upload directories or other unknown hosts, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farms indicates an attempt to lead the user to a secondary malicious resource.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://bjsprt.com/uploadfile/file///2021061921151056.pdf In PDF document text
- http://intergeored.com/upload/File/degonutexamuwolu.pdfIn PDF document text
- http://dribblebar.pl/userfiles/file/45069098669.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/c10e24129c5771f4c208c905dbdfac26/40446852715.pdfIn PDF document text
- https://rajakeempat.com/contents//files/vawigazifisusixabimoxidu.pdfIn PDF document text
- https://synodradomski.pl/userfiles/file/senonusawerulivurorogom.pdfIn PDF document text
- http://szentistvanpatika.hu/upload/file/juribim.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bc4f66dbdb3---gijujazitax.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160983dd42e3c7---vitovifizi.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/06t1iaad30oh20i8foh8ifuksk/kesejurogu.pdfIn PDF document text
- http://ahxxzx.com/userfiles/202106/file/29992173506.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609441386c7af---59502961737.pdfIn PDF document text
- http://cnex.cc/images/blog//file/46688913292.pdfIn PDF document text
- http://gymostrov.org/gymostrov/userfiles/file/kitubatori.pdfIn PDF document text
- https://castel.ro/userfiles/file/6734308395.pdfIn PDF document text
- https://cicadit.ro/UserFiles/file/daxufizofipagumivilopesop.pdfIn PDF document text
- http://kotolantopeni.cz/file/lunafejirudamasow.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078c399b48ad---wasiwi.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca801b1f59---83883822728.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160baa4f7c0109---50333733060.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086ac30c9ab6---pomewejikol.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/sawasovobawuserun.pdfIn PDF document text
- http://z-i-f.ru/userfiles/file/76143670112.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/529e8fbfc94ba5b864130107ee9c5cfa/kafirawefupatiterawewilaf.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=here+is+new+york+eb+white+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_off00014918.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14918 | 20480 bytes |
SHA-256: f5ebb492b753b5edadc06e3b565b6426ce97081087d08725a11cfd4c43301dcc |
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font_01_sfnt_off00017cd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17CD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000194ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x194ED | 10812 bytes |
SHA-256: 9dd3b4e070ea82001ac8095f9ce36688878ecc2f83a9751d20f8684efd453ccd |
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