MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://queure.ru/uplcv?utm_term=apprendre+l%27anglais+rapidement+et+efficacement+pdf PDF link annotation
- http://cachnhietwin.com/luutru/files/41973902600.pdfIn PDF document text
- http://aftp.bg/userfiles/file/timikike.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c5ea73604f---goxepufovosufezibugugax.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606fddb5eb113---keseduwej.pdfIn PDF document text
- http://www.urbanwaterways.info/files/vesemodol.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160887fc81b666---bimivonujevulokojuko.pdfIn PDF document text
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/b8b103436e001e97a09373d92a9b4fdf/18730875372.pdfIn PDF document text
- http://alexdisinfestazioni.com/userfiles/files/27823186012.pdfIn PDF document text
- http://loaamtran.vn/files/usersfiles/files/77044663581.pdfIn PDF document text
- http://megalaserasia.com/upload///25093622661.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/4691a49360493bd15ab1b2349a4684d7/30426099066.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/potefus.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/22985436797.pdfIn PDF document text
- http://asr-net.ru/uploads/files/konozimofogafirekiw.pdfIn PDF document text
- http://le-bouquet.be/userfiles/files/75156094063.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160eca2e9edf22---56211200390.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160807c0a80bd8---derujokusuzobidoz.pdfIn PDF document text
- http://minhvuongthuphap.com/upload/ck/files/xurepevupufopo.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/16078240dec6ee---64382766222.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9a4d8609c---womivunol.pdfIn PDF document text
- http://clubmaniacr.com/campannas/file/5978372870.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/gewesamuxubexupawi.pdfIn PDF document text
- http://xn--oy2b9bv81anouola.com/upload/file/202107071411356922.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_off0000d9c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9C5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1DC | 10860 bytes |
SHA-256: 3aca896cb5842e0ff8cb74c80ad79eaf572c595a8065a7ed2d36a0250ce2f621 |
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font_02_sfnt_off00010abd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ABD | 19124 bytes |
SHA-256: 50d3f57d3aacdae1bc44c62d00566150c03d1be88b8671dceea8c7d250892f01 |
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