MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to compromised or disposable domains. These links likely serve to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://gndpta.eu/news_objects/files/50243390739.pdf In PDF document text
- http://powerfalcon.net/uppic/files/zopigazulavetekux.pdfIn PDF document text
- http://spy-military-labs.com/userfiles/file/3690849942.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613f902208b72---dodirijusobevi.pdfIn PDF document text
- http://am-assets.com/aom/magnolia/userfiles/file/dusironetutifi.pdfIn PDF document text
- https://premiersuli.hu/files/files/mopidivajavesor.pdfIn PDF document text
- http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/busubujuzosevetitusomevig.pdfIn PDF document text
- http://sicilyontable.it/userfiles/files/perebadisokunezaje.pdfIn PDF document text
- https://beldaoyun.com/calisma2/files/uploads/23077538463.pdfIn PDF document text
- https://office-agglo-larochelle.fr/userfiles/file/1945012383.pdfIn PDF document text
- http://www.bsa.by/ckfinder/userfiles/files/48768825727.pdfIn PDF document text
- https://podimercrm.com/img/files/zefapojedow.pdfIn PDF document text
- https://pasationtravellers.com/root/FCKeditor/file/35087704006.pdfIn PDF document text
- https://nepaltrekkinginhimalaya.com/assets/userfiles/files/tifukoguk.pdfIn PDF document text
- https://badeluxe.com/userfiles/files/96156263902.pdfIn PDF document text
- https://giriconsultancy.com/content_files/files/volekixoji.pdfIn PDF document text
- https://ost-fogging.com/upload/files/zijoxepuk.pdfIn PDF document text
- https://evermoral.hk/upload/file/1631489743.pdfIn PDF document text
- http://hiroshima-teishaku.com/userfiles/file/34230796918.pdfIn PDF document text
- http://eg-connect.com/uploads/editorfiles/file///22185631618.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/7b80e245f9924c19f565127c673965cb/37633541387.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133bfa962e29---88574076098.pdfIn PDF document text
- http://shop-cartuning.pl/userfiles/file/faxes.pdfIn PDF document text
- http://boekenwinkelindex.nl/images/uploads/28453888897.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+do+you+upload+photos+from+your+phone+to+your+computerPDF 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_off0000b507.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB507 | 11084 bytes |
SHA-256: daa7e77a8748aa88795cd9eecb9c957fcd55ef68738f7f88980f333980f2a54e |
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font_01_sfnt_off0000cec9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEC9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e6db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6DB | 15532 bytes |
SHA-256: 7eebfd83709f6d991889e59cb5fb20006632dbc56ebaf52720bbd6d38e676fa2 |
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