MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to lure users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://infrive.ru/uplcv?utm_term=1000+free+instagram+followers+generator PDF link annotation
- http://detikakdeti.ru/img/file/tuditodozefogu.pdfIn PDF document text
- https://malabarmail.com/ckfinder/userfiles/files/vemimakekizuk.pdfIn PDF document text
- http://iknow.pl/files/file/lowomiriribojenewaped.pdfIn PDF document text
- http://taxiluzern.ch/khurasan/userfiles/files/97836906928.pdfIn PDF document text
- http://clair-environnement.eu/catalogue_dynamique/file/tojezavo.pdfIn PDF document text
- http://podlahyadvere.sk/editor_uploads/system/files/73731257700.pdfIn PDF document text
- https://embassyinvietnam.com/webroot/img/files/45143713892.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139cae91dc9d---nomejirakukig.pdfIn PDF document text
- http://goksirkrupskimlyn.pl/img/upload/files/nojazejezosaj.pdfIn PDF document text
- https://www.kindspring.org/inc/ckfinder/userfiles/files/daluteroderuwizibawiwoz.pdfIn PDF document text
- http://a-aqua.fr/ressource/site-image/files/6368407913.pdfIn PDF document text
- http://rhondadejean.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xavipenutugezikesudam.pdfIn PDF document text
- https://comptables-publics.fr/userfiles/file/79189463854.pdfIn PDF document text
- https://toppelletmachine.com/d/files/nizoxepim.pdfIn PDF document text
- http://retailpark.bg/uploads/wysiwyg/files/14122348873.pdfIn PDF document text
- https://piphoto.tw/uploads/files/202109200732168987.pdfIn PDF document text
- http://hotelbellevuepalermo.com/userfiles/files/wabotumamojirowegorovo.pdfIn PDF document text
- http://www.bongbansaigon.com/uploads/files/naxadaxagefudoxulebawe.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/43872227d968bb3318e609469390370a/vegurokowitusetitom.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/4bc0cb0071587fe2514a96f1e2181756/guwawejixarafeno.pdfIn PDF document text
- https://www.larche-de-jules.fr/ckfinder/userfiles/files/92710517881.pdfIn PDF document text
- https://grouptm2.com/contents/files/79219959343.pdfIn PDF document text
- http://omeofest.eu/userfiles/files/58270746421.pdfIn PDF document text
- https://arichaindia.com/userfiles/file/vinuzokema.pdfIn PDF document text
- http://mascotdd.com/file_media/file_image/file/51676034772.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_off0000b3a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3A7 | 10720 bytes |
SHA-256: 36bc61ef7da2ed8dab102497c2daeffd2bab456351fae3e14bd131ed3c9bde3e |
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font_01_sfnt_off0000cc5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC5A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e46c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE46C | 15856 bytes |
SHA-256: 951dfbb660241d70a1dde596dfc57f71df3f1083e8c1501315fc59ef27d289ea |
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