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 external websites. Several heuristics indicate that these links are part of a link farm, with some hosted on compromised CMS platforms, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://ibrahimkoc.com/images/Media/files/6739934196.pdf In PDF document text
- http://anais.terminarz.online/kosmetyczka/krakow/files/xogudulimi.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/465893c4723d7b3676409621c7fd41b1/labarufofaw.pdfIn PDF document text
- https://nutrishop.in/ci/userfiles/files/dikijominadovones.pdfIn PDF document text
- http://gintaras.cz/userfiles/file/88194344125.pdfIn PDF document text
- https://wildarium.com/ckfinder/userfiles/files/52814771105.pdfIn PDF document text
- http://shijijiaming.net/filespath/files/20210906035121.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/ec418988961a331a7263cd3491136390/82863124462.pdfIn PDF document text
- http://www.fuchingrading.com/upload/file/5250099132.pdfIn PDF document text
- https://inprovit.com/ckfinder/userfiles/files/75167487675.pdfIn PDF document text
- https://iword.de/userfiles/file/47508091438.pdfIn PDF document text
- http://888chji.com/userfiles/files/37776365221.pdfIn PDF document text
- http://crabandclaw.com/uploads/files/palapademusogezotawakej.pdfIn PDF document text
- http://shyjjc.com/v15/Upload/file/2021919949281899.pdfIn PDF document text
- http://www.verneteco.com/ckfinder/userfiles/files/botonotu.pdfIn PDF document text
- https://diphong.com/uploads/vekob.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613edf6f49811---rulikegugi.pdfIn PDF document text
- http://zvezda-rostov.ru/ckfinder/userfiles/files/mafesosutuberasipiguguzog.pdfIn PDF document text
- https://art4you.sk/editor_uploads/system/files/lifiteba.pdfIn PDF document text
- http://adice-area.com/pictures/files/geninotanoteviwimegumop.pdfIn PDF document text
- http://tentimesneedlehill.com/UPFILE/userfiles/files/venopunasidivitu.pdfIn PDF document text
- http://maquinandoysubastando.com/dleyes/admin/fotos/file/vokabenejabekujedipove.pdfIn PDF document text
- http://alfavit.tv/userfiles/file/27875993377.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=affirmative+action+requires+employers+toPDF 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_off0000aeb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEB0 | 16068 bytes |
SHA-256: 4dbf5f1dcbbf452c28bd910dcdc68a190e6bf28fee18ddbcc201105bc3cd55ef |
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font_01_sfnt_off0000d6db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6DB | 11048 bytes |
SHA-256: 64c19a6a5a1c924b689c1c829c2187824961465adb25cf78b66400ef46d3fa1d |
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font_02_sfnt_off0000f0a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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