MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a large number of external URIs, many of which point to compromised WordPress sites acting as a link farm. The primary purpose appears to be directing users to potentially malicious or phishing content through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/0e3b29d6e0e69dbbab3b64589ff72895/81733036180.pdf In PDF document text
- http://hk-dcc.com/wp-content/plugins/super-forms/uploads/php/files/80k8bmfnt3f2kc87fskrbhr053/tutulofoz.pdfIn PDF document text
- http://jameshamiltondds.com/clients/6/6c/6cc67b5d90347a591bf4e9c0b97a5143/File/naxigomu.pdfIn PDF document text
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/d33e6420febff87ab2c41e4d917979fa/faxenixulevidazapuju.pdfIn PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d84e9e169e0---jogevosuserofegag.pdfIn PDF document text
- http://ahsaipu.com/v15/Upload/file/202151451182983.pdfIn PDF document text
- http://tentimesneedlehill.com/UPFILE/userfiles/files/81318461621.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/462d35510f1023a316ea1ea11e1d0262/todepetamidubuwipodufetar.pdfIn PDF document text
- http://bouwbedrijfansing.nl/userfiles/file/63352638644.pdfIn PDF document text
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/mms78e32fabts2le10tfgqm315/pobegoxesopejon.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c582868a819---zanigavuxu.pdfIn PDF document text
- http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/69928216758.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/v2o4aljhc22mhkgk51antb9vkl/litelijumi.pdfIn PDF document text
- https://smartmedia.ro/app/webroot/files/userfiles/files/timakijapawakolomusaligup.pdfIn PDF document text
- https://total-sport.pl/img/upload/files/kaveja.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf03fd7eb49---dipediwatevetuvebanap.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160be10a71457d---mepumetenizogujetixurej.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094201d2cdbb---70074298754.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c885f16e9e5---7476742366.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609443d8b252b---20517100752.pdfIn PDF document text
- http://kondicionery-fryazino.ru/upload_picture/file/fagaloxujejutijen.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607c5e35cbfed---23959440281.pdfIn PDF document text
- http://live-lessons.net/lcj/web/uploads/assets/file/lokukeb.pdfIn PDF document text
- http://grafiport.com/userfiles/file/28858094247.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=gm+4l60e+transmission+rebuild+manualPDF 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_off0000c563.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC563 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD7A | 11056 bytes |
SHA-256: d44d78285f3d9452e0a5807a01c1aa43b3f1d86b7194ff153bab974b478ffc76 |
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font_02_sfnt_off0000f733.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF733 | 17500 bytes |
SHA-256: fb77e76718f0d84d2e7ef83bf07bc9172decb10e7a455f8545687e96476cc330 |
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