MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with numerous URLs pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9806
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://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160babfc62f836---29696502489.pdf In PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d927ba0493---9831999420.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097667b382dd---navamukape.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b488db873bc---94613218761.pdfIn PDF document text
- http://kmsenior.org/file/files/gipox.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c54aa299ba1---65489075873.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/fof0g3efp19q25g3cdj233th40/votoxi.pdfIn PDF document text
- http://hb1004.com/userData/board/file/73099269165.pdfIn PDF document text
- http://tpdw.pl/userfiles/file/63841457699.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/fd7871d3d0b987de40f631f1cba45d0d/50285387671.pdfIn PDF document text
- http://turagent007.ru/userfiles/file/26459340057.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab0ebab14da---6555491295.pdfIn PDF document text
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/9f8d93c37ae985020689ce66efb1612c/zajavanezovekifusekulo.pdfIn PDF document text
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/04356d161cd4edde213979ed41887aa8/xapojasufotogovuni.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bed5bfcddd3---6233522354.pdfIn PDF document text
- https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/05d956a90cbbbbb72ea5098c9b12c1b0/26311531067.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/1bcbb51921a787d6fea8a595eb164eaa/revuro.pdfIn PDF document text
- http://vizugy.hu/uploads/files/67975492290.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160cb1c2392d37---48161593567.pdfIn PDF document text
- http://fontanarosaserigrafia.it/userfiles/file/maronibekot.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ac627d41e47---54897258406.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608d8761b727f---zojafabibekuxaralizug.pdfIn PDF document text
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/270f3f2e59a93b9b5281428933ea8926/kitilozo.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/0tkg2ppa08jbej13pltbl8qh6s/dujur.pdfIn PDF document text
- https://maplesservice.com/wp-content/plugins/super-forms/uploads/php/files/97ca4a7962f6487a3404b5ac51506040/gigiworokokaduvizajer.pdfIn PDF document text
- http://perles-del-beya.com/userfiles/file/81619301534.pdfIn PDF document text
- https://oklogistic.lv/upload/file/63719891326.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=integrals+leading+to+inverse+trigonometric+functionsPDF 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_off000110e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110E7 | 10936 bytes |
SHA-256: 0e5742ab8f5875e83f895614815dd6ed98c3afe25b06b8939ae51f8bed66ed87 |
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font_01_sfnt_off00012a13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014225.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14225 | 18044 bytes |
SHA-256: f5fe94ffc5458bad9d58a0c94659c559d89602e4aa5531e696efa575c65ec53b |
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