MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many hosted on compromised CMS platforms, indicating a link farm designed to redirect users. ClamAV and ML classifiers flagged this PDF as malicious, with the ML model outputting a high probability of maliciousness. The presence of multiple distinct hosts and the use of UTM parameters suggest an attempt to distribute malicious content or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9797
Heuristics 6
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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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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://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f4863abb82---ruwusobakepa.pdf In PDF document text
- https://argentinaproduct.com/ckfinder/userfiles/files/bupenukiromopaximarug.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ccedb95859f---56475374696.pdfIn PDF document text
- https://aquafilling.com/userfiles/file/11298808956.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1608d783f89e82---16107220520.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1fca59d43---71295498010.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16082f5d470403---binedixujokukedawokal.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/koeeabmc2tfkmmq8n0qpdq9kek/50549338871.pdfIn PDF document text
- https://palcev.ru/userfiles/file/15937036998.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/kimiwitopufiwuxevex.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/94ukkkguoq31s8bg2o63p1ktnr/jifupogibudife.pdfIn PDF document text
- http://tanriovermensucat.com/uploads/genel/files/xutixanewipelirexizawak.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/32ead4ae41bcbdaa593a846391757626/4969750497.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/qm1vqeu2lkicvuf8vat840q9ds/8862191906.pdfIn PDF document text
- http://keralabiblesociety.com/fck_uploads/file/mipufaz.pdfIn PDF document text
- https://tempegaring.com/contents//files/zidixegowoponuxidalope.pdfIn PDF document text
- https://sieuthigo.vn/upload/ck/files/58884192700.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a641ad6a0cb---denedemib.pdfIn PDF document text
- http://clinicaveterinariasangiacomo.it/userfiles/files/98336394864.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a62a391709a---59941211363.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/c1d169163ac6f22707458439de149841/bazafejudisedufawaf.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/1c44cf8328c5f27aa28a4a589be08a7b/5940507428.pdfIn PDF document text
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/0b4e74f66e3125ad456ae8d3d78fda40/timavegelumixosotajo.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/39d5cce75178ac7ac56cdfafa14d995f/sepadu.pdfIn PDF document text
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/9c78khecsermeloof873u04ic1/9494356343.pdfIn PDF document text
- http://work4shop.cz/userfiles/file/zuxoviridinuroxajedorafiv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=personal+rights+land+lawPDF 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_off00014186.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14186 | 16980 bytes |
SHA-256: 0667c30947ff7d3d8e71a543cfeb7a7065a1dda781dbdbcd501b970367f08e88 |
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font_01_sfnt_off00016db5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16DB5 | 10616 bytes |
SHA-256: 16cfa0b7795687a617c416d4ac759de168e883bc3f4b86e1c4bc1554a6d71926 |
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font_02_sfnt_off000185c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x185C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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