MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external URIs and links to compromised WordPress upload directories, suggesting it functions as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The presence of multiple distinct hosts and the use of 'utm_term' parameters in some URLs point towards a coordinated effort to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://pixomot.ru/uplcv?utm_term=capital+letters+and+full+stops+worksheet+with+answers PDF link annotation
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16080a0b599860---57457544630.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8ae8222fa9---wusetetujijo.pdfIn PDF document text
- http://svazekobciorlice.cz/userfiles/file/49289999744.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607983d9bdc33---kilozalejutabagirokaze.pdfIn PDF document text
- http://csc025.com/userfiles/file/20210615014855_c3vy7p.pdfIn PDF document text
- http://nowyhotelik.pl/userfiles/file/57185038524.pdfIn PDF document text
- http://doradcyprawni.com/images/pliki/1115305122.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a16af7c61cc---zezuzufuterejemubirinemav.pdfIn PDF document text
- http://arci-mp.fr/admin/File/jewinivelig.pdfIn PDF document text
- http://pivotal-technologies.com/userfiles/file/gapefidorakixakopexa.pdfIn PDF document text
- http://4reality.cz/userfiles/files/dakexug.pdfIn PDF document text
- http://clean-ecology.com/Upload/files/kuvitijisakigenav.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608193b1c29c8---17572457757.pdfIn PDF document text
- http://abwalabamaave.com/uploads/files/jesuzufojezinisigeg.pdfIn PDF document text
- https://meesens.be/KrMee/Tekstverwerker/sixepubefezifetobune.pdfIn PDF document text
- http://heureka-cz.eu/files/65641319684.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/74335387736.pdfIn PDF document text
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/0pkpnoob1u7ll278trtk9qf236/dotofelotesanovin.pdfIn PDF document text
- http://senseoftourism.dk/userfiles/file/66909346493.pdfIn PDF document text
- http://lamekatus.ee/uploads/ckeditor/files/fozunefesawex.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/9f92a4bb04642da04e391c1457e8738e/galofilurobu.pdfIn PDF document text
- http://ledson.ru/upload_picture/78875085272.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/32258900083.pdfIn PDF document text
- http://kassa.pl/userfiles/file/mutibifiv.pdfIn PDF document text
- http://presssimayeshahr.ir/pic/file/86897809286.pdfIn PDF document text
- http://tasarimak.com/ckfinder/userfiles/files/lenomunilivilup.pdfIn 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://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_off0000c943.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC943 | 17080 bytes |
SHA-256: 2c0630c86cb46b6c66ebef5135abe11039f97b8f98e4bea2815412edc23a66b7 |
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font_01_sfnt_off0000f54a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF54A | 10904 bytes |
SHA-256: a9a0b191c50eabd748f422b8e27659ee8562b304b5c3925c7116a8483b2f9aa9 |
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font_02_sfnt_off00010e93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E93 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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