MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of external URIs, many of which point to compromised WordPress sites. The ML classifier and ClamAV both flagged this file as malicious, indicating a high likelihood of malicious intent. The primary function appears to be acting as a link farm, potentially for SEO manipulation or to host phishing content, rather than executing a direct payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://cructi.ru/uplcv?utm_term=rondeau+mouret+piano+pdf PDF link annotation
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/dc46eec6a0d5d558f20838d4fe124af1/zodaxisawada.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16127434fd63d0---muvenirederasolenalim.pdfIn PDF document text
- https://samoinstitute.mn/uploads/assets/file/55924803979.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/a6ed2658085e4903a802555a2e6b1a65/37492530781.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2273bf8ad---88603874436.pdfIn PDF document text
- http://normandyclassof79stl.com/clients/e/e1/e16d7b8530e96d8d426d6b963c92b0b5/File/momepupodaremazudedut.pdfIn PDF document text
- https://liur-krd.ru/userfiles/file/31385350845.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160976f916db4e---54283306948.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/99d4943acb3fb0119047eb7cd5faf3c8/92923703959.pdfIn PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/346721ca2ea2b47702806d9ab4f1d3ab/20291071986.pdfIn PDF document text
- http://bfr-bialapodlaska.pl/userfiles/file/94003938432.pdfIn PDF document text
- http://pampa.be/uploads/userfiles/files/pejosilabetimi.pdfIn PDF document text
- http://motocams.cz/ckfinder/userfiles/files/84873864528.pdfIn PDF document text
- http://antwerp-reefer-tournament.be/argt/files/66152349104.pdfIn PDF document text
- http://biancoacolori.it/userfiles/files/17892978919.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1812ee330---35403106767.pdfIn PDF document text
- https://itandem.net/ckfinder/userfiles/files/54136118786.pdfIn PDF document text
- http://blueyee.com/upload/file/241922335268.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/30297081510.pdfIn PDF document text
- https://susta.vn/userfiles/file/widevikin.pdfIn PDF document text
- http://neoneofytou.com/ckfinder/userfiles/files/bivalaruvegufox.pdfIn PDF document text
- https://jvlegacyhomerepairsmd.com/nbloom/fckuploads/file/dotesogopojazerexo.pdfIn PDF document text
- https://nhatngudongkinh.com/upload/ckupload/files/48900517259.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160aa67ef6a799---nogizeboridemekifuripuvug.pdfIn PDF document text
- http://otelm4b.ru/admin/ckfinder/userfiles/files/kumozuzefidofemefaje.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_off0000dc67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC67 | 18736 bytes |
SHA-256: 7f62d06013c9fa6ff771aa713c75f48eeac1f7ae13790f89bbcc1116c677acd6 |
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font_01_sfnt_off00010ded.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012604.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12604 | 10588 bytes |
SHA-256: fba6cf129f8884e9f9541ee560997d9a2f84adefdb094a76717ef1719ac76574 |
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