MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document exhibits characteristics of a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other potentially untrusted hosting. The ML classifier strongly indicates maliciousness, and the heuristics suggest a pattern of redirecting users through a series of links. While no scripts were explicitly extracted, the structure and URL patterns are indicative of a phishing or redirection scheme, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 5
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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 https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/867479ed7ee30450b540b19f730af863/xusizonuvofipevi.pdf In PDF document text
- https://goooinggroup.com/userfiles/files/20210904_010245.pdfIn PDF document text
- https://apz-arte.com/ckfinder/userfiles/files/nagidilidivonojamiror.pdfIn PDF document text
- http://akvatoria.by/UserFiles/files/govulojokegaxemexefuji.pdfIn PDF document text
- http://jungam21.com/upfiles/file/1630548769.pdfIn PDF document text
- https://unique-u.biz/images/uploads/file/29728121097.pdfIn PDF document text
- https://listocrm.com/userfiles/files/tavosamoked.pdfIn PDF document text
- http://euredit-editions.com/userfiles/file/kebemupiwobosul.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613610a6c5147---31447751265.pdfIn PDF document text
- https://cingenito.ca/upload/editor/file/92248556933.pdfIn PDF document text
- http://szjglaw.com/uploadfile/file/2021090413205773499.pdfIn PDF document text
- http://www.halpellet.hu/userfiles/files/tikat.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161387d3c676da---67828076989.pdfIn PDF document text
- http://avtosfera28.ru/userfiles/file/12699331415.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/notidezakenolefubisesum.pdfIn PDF document text
- https://rossbeede.com/userfiles/file/16752280348.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132710d2833f---42900736081.pdfIn PDF document text
- http://www.sctiec.com/up_files/FCK/file/muxudekafotamewaza.pdfIn PDF document text
- http://azizolace.cz/images/file/viwudoxekibasivub.pdfIn PDF document text
- http://www.jysunshine-hotel.com/up_files/file/9300038414.pdfIn PDF document text
- http://grandp.ru/userfiles/file/191598540.pdfIn PDF document text
- https://somogyplusz.hu/files/34869326020.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613acc3f67fe0---zupujukiradajevafejo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=game+simulasi+kencan+bahasa+indonesia+androidPDF 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_off0000d231.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD231 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA43 | 17404 bytes |
SHA-256: a2b231a9ebf6e55880b3410bb221833e2b7ae251e5cf4323ca93d3e963ca9d02 |
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font_02_sfnt_off00011793.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11793 | 10908 bytes |
SHA-256: 0f58335d1e79e9d03de5ed65b10cac94cdd7c070b332054cc4ceb3092a066943 |
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