MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://viessmannboilers.ca/fck_upload/file/segile.pdf In PDF document text
- http://vrtaspol.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/64447599815.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/kabokoxufimokiwezad.pdfIn PDF document text
- https://alarouba.com/ckfinder/userfiles/files/78338013583.pdfIn PDF document text
- https://samsungklima.net/upload/ckfinder/files/pirev.pdfIn PDF document text
- http://iweldbot.com/ckfinder/pho/files/94296418033.pdfIn PDF document text
- https://xn--hjrnskadeakademien-mtb.se/userfiles/file/83091771229.pdfIn PDF document text
- https://samowar.ch/upload/file/bukoter.pdfIn PDF document text
- https://wemservice.com/ckfinder/userfiles/files/39923752165.pdfIn PDF document text
- http://cana.vn/uploads/userfiles/file/1285258217.pdfIn PDF document text
- https://matratva.in/userfiles/file/deralevidezadirem.pdfIn PDF document text
- http://dahchen.tw/userfiles/file/gikoju.pdfIn PDF document text
- http://berbun.com/user_img/file/13755800957.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609888d321610---pugotuwota.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/389548734a8621a45452649a08cb46b2/19341328264.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/qlh5i9vfrn8rovl95bgnfe2qjo/4616236289.pdfIn PDF document text
- http://asckhn.com/acskhn/userfiles/file/xozisin.pdfIn PDF document text
- http://fusen-es.info/yamituki-n/uploads/files/88340036412.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f49282364bf---44179982270.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/fd1824bdde9a77e743072a093f2474fd/wawivivijog.pdfIn PDF document text
- https://wodepcb.cn/uploadfiles/files/mibozediraxupumeluw.pdfIn PDF document text
- http://buildinggodskingdom.com/webcms/file/mupekekekoginifeju.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=how+do+you+reset+a+nighthawk+carbon+monoxide+detectorPDF link annotation
- 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_off0000f1f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F9 | 17124 bytes |
SHA-256: 8f4c14866f5b0fbe31258dc5f1cef01d7a230c688a5ff9f37c1ce25dd40dfb57 |
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font_01_sfnt_off00011eab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EAB | 11396 bytes |
SHA-256: 3a48733984fb2d3293cbc4cbabb80c8d3d4967b4e64e08801fa8cf71361a1e8b |
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font_02_sfnt_off0001393c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1393C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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