MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution intent. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to redirect users to malicious content. The presence of external URIs and link farm heuristics strongly supports a phishing or malware delivery attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://prttour.ca/FileData/ckfinder/files/20210604_FD5C6C3484926CC9.pdf In PDF document text
- http://icmasistemas.com/userfiles/files/86820049939.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a31226efb8f---55666746509.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/e7789cee7fdf409731bb0c2cb9014191/mitemulag.pdfIn PDF document text
- http://vin-baietii.ro/ckfinder/userfiles/files/55380986231.pdfIn PDF document text
- http://topoint.cc/userfiles/fckFile/20210701024953.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/cf3075013a2358e4987c8cb07174836a/93304115347.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160869f74b496d---32821427879.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1608756710820a---vimujokosakozodexurosano.pdfIn PDF document text
- https://soosekszer.hu/upload/files/66766254186.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c3160010c---24861623138.pdfIn PDF document text
- https://nepalimodelagency.com/userfiles/file/kutugezamav.pdfIn PDF document text
- https://artlabjo.com/userfiles/file/bukiwerosap.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e458d3060---tejugovezevibeletifosa.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b12a99a74ea---41358170839.pdfIn PDF document text
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609477850df82---tikavajowuwafiruselel.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdefaf4c38a---96328586431.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/946s6dasm79g2eoddvini7o9h0/golatilafumerevofibigo.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/a582fd2c19fcfd196967cf300bc3162d/raxemevaxavipopibiz.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/lcbsnfngu0q4avig24pdss6p81/52528371078.pdfIn PDF document text
- https://onhimalayas.com/ckfinder/userfiles/files/25191355087.pdfIn PDF document text
- http://creptiles.dk/userfiles/file/kepirakilezaf.pdfIn PDF document text
- https://www.helmmsp.ca/wp-content/plugins/super-forms/uploads/php/files/cb04306b18a8b299fd9173e3740f07b3/sorolikikoxudawesuduzedow.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/24c13f8fdddb4aefe8ecc38830f10d52/92086646784.pdfIn PDF document text
- https://bio86.net/fichiers/29198877626.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=introducing+yourself+worksheet+for+grade+1+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_off0000fdeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDEB | 11292 bytes |
SHA-256: 20472fceb1618ccec20a401ec5ce7de3eedd32f1d04ec321af9ab3a9aa49a6db |
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font_01_sfnt_off0001184e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1184E | 17884 bytes |
SHA-256: 3a920349d39d6a52febaf16a6aca6e8d44a01b8d6fadd68a7d76e625b8d93bd6 |
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font_02_sfnt_off000146ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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