MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links pointing to various websites, many of which are hosted on compromised CMS uploads or disposable domains. This behavior is indicative of a link farm, often used for SEO manipulation or to host phishing lures. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 http://sampsonancestry.com/clients/d/d9/d9bd9208c4e45de01aa31840e3a8c66b/File/webupadoxiledozarebas.pdf In PDF document text
- http://ahxxzx.com/userfiles/202105/file/81172220850.pdfIn PDF document text
- http://shopgraeagle.com/ckeditor/uploads/files/70308646969.pdfIn PDF document text
- http://dainichiji.com/upload_ckr/files/datotumesegekiv.pdfIn PDF document text
- http://konemara.hu/userfiles/file/82184564043.pdfIn PDF document text
- http://atomicattack.com/atomic/fckimages/file/kanexumegijunuvevebux.pdfIn PDF document text
- http://4reality.cz/userfiles/files/nefilonerije.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607847a1b8e06---rotemixetefenavuzijepemof.pdfIn PDF document text
- http://qbcar.ru/ckfinder/userfiles/files/pegejibagedusubemis.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160bc8c0aa455d---metur.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d39203261a---lujurilotarolivena.pdfIn PDF document text
- http://burelomdo.com/ckfinder/userfiles/files/niratozu.pdfIn PDF document text
- http://hebertfamilyreunion.com/clients/3/32/3272330ca4c68e8b1120eb7f178c7a05/File/2345239905.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b95098126---mopaxabefoxenitaxezawefa.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/92uieoois24iihacqg3370nlci/muzusenas.pdfIn PDF document text
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/41822337883f769d94581022c5bd301c/16066280270.pdfIn PDF document text
- http://multi-accueil.fr/ressource/site-image/files/82042154743.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160af13ece683c---dadewagatasixu.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606e3dac9bcb2---sitito.pdfIn PDF document text
- https://gastriklandsbf.se/UserFiles/files/21684019268.pdfIn PDF document text
- https://baruipur.org/ckfinder/userfiles/files/42147553343.pdfIn PDF document text
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1611b6d1bad80f---kegesowenonep.pdfIn PDF document text
- https://festival.bg/fckeditorfiles/file/34955365173.pdfIn PDF document text
- http://hoangminhceramics.com/app/webroot/uploads/files/84581258689.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=find+a+cartesian+equation+for+the+curve+calculatorPDF 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_off0000ea7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA7A | 19004 bytes |
SHA-256: 12bd3d21d20b37be0f4412af6a49e23c20e47bfa37aff75033f7e1b59248f8fb |
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font_01_sfnt_off00011a78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001328f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1328F | 10860 bytes |
SHA-256: 67f3215c271cb4c14bf5fc704920ec9f0170ddf89d4adf4e5141b8c7b4c7787e |
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