MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://medvor.ru/uplcv?utm_term=is+watching+movies+on+google+drive+legal PDF link annotation
- http://lbhs1965.com/clients/6/6b/6bdd8f708684a1f547efbf97e1630fe5/File/43795792811.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/wuseduxamexadexetotixu.pdfIn PDF document text
- http://bettaletroom.com/file_media/file_image/file/gukararorijiweguxawe.pdfIn PDF document text
- http://studioboscono.it/userfiles/files/98491916507.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097828480879---sujebirez.pdfIn PDF document text
- http://turagent007.ru/userfiles/file/jumadukokivetivepexi.pdfIn PDF document text
- http://nuraski.pl/wsg/userfiles/golejodebe.pdfIn PDF document text
- http://famillespourstarlight.ca/clients/a/a9/a9b42c05011d3bb27e7f7ec2ed30324f/File/78479658320.pdfIn PDF document text
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16090dc335b9ad---duwudewalu.pdfIn PDF document text
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/28e7e3330b34e4a6c709adbc50ada50c/pidukagurapabavilixigiga.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/afbeb4c50de6e17c99c188d1bce3cd3f/11381888677.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc63432d9d1---bonulubikakavi.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160892fa223fb4---nuxanedesuwame.pdfIn PDF document text
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/6f953c7ca520e5626adcd4024a514672/loravewafafapid.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d47a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD47A | 5440 bytes |
SHA-256: d34624abcd00fb794337592418528aaf1055a409ea31c0b789575b452b2a90a1 |
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font_01_sfnt_off0000e6e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6E6 | 10460 bytes |
SHA-256: 69876b0fa1c3efc01010bae1acd5880a2bdf3d2a2e89ebf9af5810a7c836522f |
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