MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious. It contains a link farm pointing to compromised WordPress upload directories, suggesting an attempt to host malicious content. The presence of multiple PDF files hosted on these compromised sites indicates a likely phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/ejam4rnuic1f81kkgb3lthejfi/favijur.pdf
- http://kipia-nn.ru/userfiles/file/rezinozogujijotop.pdf
- https://branchennachweis.eu/userfiles/file/46744718915.pdf
- http://spreewaldatelier.de/img/editor/file/sovopevesok.pdf
- http://barrybusiness-crm.com/ressource/devis-photo/files/badum.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc96daa32a---3322735036.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/16d5hgppseqtceplbvg15tebs4/xilagov.pdf
- http://altelaw.com/uploads/image/file/28944055590.pdf
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/2ddfb14d596d7eb8f1cb17d7c422a313/gasegovuxoliva.pdf
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090e232b6071---5586986534.pdf
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/b0jkioiae26o7nfgknvs2eo692/10806627079.pdf
- https://boumqueur-edition.com/upload/fckeditor/file/86620307384.pdf
- https://finances-canada.com/wp-content/plugins/super-forms/uploads/php/files/33719a164c4676218670aa6a532dab73/64116177507.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/i0daq6rjhoair2qde6kb4ufl0e/wuzunokasozopogi.pdf
- https://zanhotel.ro/beficientconsultingFiles/file/gituve.pdf
- http://www.abcklima.hu//data/editorfile/kirimuxipef.pdf
- http://ankurgroups.com/userfiles/file/natuwuxirixime.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b90f9936aea---23959354759.pdf
- http://kondicionery-ivanteevka.ru/upload_picture/file/fudaxinonoje.pdf
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a641191a9b42e3eb9d55428ceda42f1e/bubub.pdf
- http://pc75.net/upfiles/file/1621990804.pdf
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/9jve5af85bfdpehmm1vs0hg8a4/37830593745.pdf
- http://www.findvoters.com/userfiles/file/18748553521.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160adcdb739d40---47868480442.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=maginot+line+reading+comprehension+answers
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013ce5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CE5 | 16792 bytes |
font_01_sfnt_off000154f7.binb0199c94994f5927c8b4854993b4f7aa046fef595ff2d6931f441dfcc26d1dc9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x154F7 | 17372 bytes |
font_02_sfnt_off0001825c.bin1e5e7ccb8c7cd19e15390a0bd668b97b8c1d9ac522f5fd7d024a1764e7b7cc1e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1825C | 11040 bytes |
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