MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and 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, likely to redirect users to malicious content or download a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://transpack-krumbach.de/_upload_bilder/_filemanager/file/taperifili.pdf In PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160767ccb0cf4b---xidoledovonuvi.pdfIn PDF document text
- http://barcelonasixtytwo.com/userfiles/file/58066886088.pdfIn PDF document text
- http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/rawuzuloxefifobuwiwinu.pdfIn PDF document text
- http://visit-pune.com/userfiles/file/vesikemeneretekasebo.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/dfe222af519e08ee5a07b087f902da7f/16999371645.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8b7734201---81625138987.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/60eb2aa3695ab45a0d1edcb73651a528/20213136819.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ea1d75163---vefufirul.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608d07b09f35e---bemubukadonesupagij.pdfIn PDF document text
- http://scpt.it/userfiles/files/50651214982.pdfIn PDF document text
- http://parejalecaros.com/adjunto/upload/fck/files/pewagavenibowuxale.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b26c68c870---32204981107.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/8f7cj903ls761ufmpkpj4maues/11068176384.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f72e272526---lesezokowujisadaz.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a7cae725c79---64658718479.pdfIn PDF document text
- https://www.alapan.org/fckimages/file/juwulevisutenubixubonoz.pdfIn PDF document text
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba7ecc516d5---xowalalilewavaxonimapose.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/fa419e51554dafe06057b8d958cbba74/zujinitozirenamilopozuvo.pdfIn PDF document text
- http://aajude.pt/backoffice/ckfinder/userfiles/files/53055175747.pdfIn PDF document text
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc226202a9---bofosixigalisoxoselo.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/857e770f81bc4b929af912b28e0d6557/4937224070.pdfIn PDF document text
- https://eyetracking.pl/userfiles/file/nomojugapumove.pdfIn PDF document text
- https://surupaceanu.ro/ckfinder/userfiles/files/pemufojazebodirusexodag.pdfIn PDF document text
- http://www.ochoadentalcare.com/tacgestorcontenidos_ochoa/documentos/file/7919745071.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607864b288a95---tubulogasepuxi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=larimer+county+docket+searchPDF 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_off000100b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100B5 | 16968 bytes |
SHA-256: ff1cf6ad58aa32b338962cfc8f1aa3c340dc4a2d9edda3bd3061a19fa04234fe |
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font_01_sfnt_off00012d41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D41 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014558.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14558 | 10852 bytes |
SHA-256: ed703e392a8c91d5f455805ba376bff519dc73a38e89be3c2987cc2094c753c7 |
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