MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of external URIs and a link farm structure strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://przedszkolenisko.pl/userfiles/file/63689586057.pdf In PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608e7a10ef329---kisejuwidikozuxer.pdfIn PDF document text
- http://connect-senior.ch/uploades/userfiles/file/17597962007.pdfIn PDF document text
- https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/me41c0dd5a2q3fmbd2eumo2u17/90181765280.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e183141b95---serofaluvefofebaledujogo.pdfIn PDF document text
- https://actor-conseil.com/files/file/xizepudigiz.pdfIn PDF document text
- https://coluer.ir/documents/file/22463121005.pdfIn PDF document text
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/670f2c4988451c138dbf7351ccc14474/68114221251.pdfIn PDF document text
- http://worldwidefilipinoalliance.com/uploadedFiles/files/46225119317.pdfIn PDF document text
- https://actor-conseil.com/files/file/nasanig.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/85f5e3e3a393e29093343c058284f616/weragakapimevigit.pdfIn PDF document text
- http://nieruchomosci-swidnica.pl/userfiles/file/gokudu.pdfIn PDF document text
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a204f34a752---40265576063.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/8398662121.pdfIn PDF document text
- http://donauwell.at/userfiles/file/17879928547.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094d3fc324b5---watafigigepilafa.pdfIn PDF document text
- http://auto-spec.ca/fck/file/28535773340.pdfIn PDF document text
- http://nova-auto.com/upload/34763468260.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/8o2evbo8n77u4te538oktrbpp4/23766791013.pdfIn PDF document text
- http://tafgambiatours.com/userfiles/file/61507196669.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/6bhnesaiqg25e8viogi1tn4rkb/10649113152.pdfIn PDF document text
- https://samarthanamparisara.org/apadmin/uploads/userfiles/files/nofijagirotaretefavol.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/c025f2c8fc65f1bb5e85df0b431eb2f7/34452838385.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608345bfd807b---turaranugutazam.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=interpreta%C3%A7%C3%A3o+de+texto+sobre+fake+news+com+gabarito+9+anoPDF 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_off00010115.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10115 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001192c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1192C | 11920 bytes |
SHA-256: b0c1092cc4450ed967f8a8d9306a4bda5e20e6a7970bd847202c288a7667938f |
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font_02_sfnt_off000134c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134C5 | 19732 bytes |
SHA-256: 39650a1b9c0b6c45054f654c3a4d9f14489db54eceea95887478bd36baf7d539 |
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