MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, pointing to numerous distinct hosts, many of which appear to be compromised WordPress sites. The embedded URLs, such as 'https://allytemp.ru/uplcv?utm_term=dangling+and+misplaced+modifiers+exercises+with+answers', are likely used to redirect users to phishing pages or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://allytemp.ru/uplcv?utm_term=dangling+and+misplaced+modifiers+exercises+with+answers PDF link annotation
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074880d48da6---97602261934.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b7594330c43---wugakovuwujabifof.pdfIn PDF document text
- https://abe-rdc.com/userfiles/file/20142845314.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160700601b0d89---82786991627.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/inn3sejqn74pr61m2kpd88t93a/pavufen.pdfIn PDF document text
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/06c45e4c9662921b3a97786276927cd3/14331743709.pdfIn PDF document text
- https://szekszardportal.hu/userfiles/file/gepolit.pdfIn PDF document text
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e42ca8c89---lazefezovujewu.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608553f4dfd4a---79068846591.pdfIn PDF document text
- http://amirafouad.com/uploaded_files/file/88777336893.pdfIn PDF document text
- http://schodylux.pl/userfiles/file/jutizirobejexew.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160910428c6b82---83490626767.pdfIn PDF document text
- https://bdaudit.ro/userfiles/file/63618761011.pdfIn PDF document text
- http://nedirajtebosnu.net/userfiles/file/vozabozi.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1ebb83ee0---fulefewujatitapixit.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/c19c353775d9d754c37263a1ae64cc4b/92255217273.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn 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_off00012dbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DBD | 5728 bytes |
SHA-256: c527275a73106a594b93022250946e5b7d6aeeaf3c1a1c72938d066127f7e2b6 |
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font_01_sfnt_off00014132.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14132 | 10828 bytes |
SHA-256: 97524cbf7e1f75087a38cc03262e4332a08841d5da2e7a2a4d994df817c86acb |
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font_02_sfnt_off00016633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16633 | 16060 bytes |
SHA-256: 2173a1880e9f774f759393e7d0d28dda91d04d8a3eae6bea41b822770b343b90 |
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