MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm used for phishing or malware distribution. The PDF structure and embedded links align with techniques used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://northcity.rs/slike/files/1355974063.pdf In PDF document text
- https://sakkestadbil.no/userfiles/file/5362843288.pdfIn PDF document text
- http://xn--k1akb4c.xn--p1ai/userfiles/file/32119654745.pdfIn PDF document text
- https://tiklatakip.com/calisma2/files/uploads/18587534454.pdfIn PDF document text
- https://odontologosmalca.com/images/userfiles/file/tewidogubotana.pdfIn PDF document text
- http://olsztyntransportmedyczny.pl/userfiles/file/jutetujanota.pdfIn PDF document text
- http://www.binghan.my/userfiles/file/rumabinew.pdfIn PDF document text
- https://everestart.com/images/stories/file/55097353344.pdfIn PDF document text
- https://kede.org/userfiles/file/22769201916.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613244e43a5b0---18369051564.pdfIn PDF document text
- https://allegypttours.net/userfiles/files/46296812856.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161332e8873747---pugofasafopolebaputikofur.pdfIn PDF document text
- http://af.ssla.ru/images/fornews/files/29086577109.pdfIn PDF document text
- https://xn--fiqa735be48e.com/upload/files/wiwavofanamenunorofikerom.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/39a3583c82711e71c94d61e25b885cd7/79506376205.pdfIn PDF document text
- https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/pujelirodurubutotilosas.pdfIn PDF document text
- http://sahamit.net/userfiles/file/volasujegadunodowo.pdfIn PDF document text
- https://cgeminfos.ma/upload/file/63369081485.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/64019327670.pdfIn PDF document text
- http://tageedesign.com/ssmpt/documents/file/rojobuzavigiderale.pdfIn PDF document text
- http://cachnhietcacham.vn/Images_upload/files/77194231531.pdfIn PDF document text
- https://goacetours.com/ckfinder/userfiles/files/xifanelunaj.pdfIn PDF document text
- http://bloomx.com/sites/all/sites/bloomx.com/files/39008513960.pdfIn PDF document text
- http://tokyoto.pl/UserFiles/file/zorojadamufajivabopu.pdfIn PDF document text
- https://my-natural-style.net/upload/files/kirabamegupejavadifa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=windows+10+pro+64+isoPDF 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_off0000b203.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB203 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA15 | 16644 bytes |
SHA-256: 2612cdfaff8c98863e507f9962a37be702b1d64ad06aa0be71b97182e74db707 |
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font_02_sfnt_off0000f40a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF40A | 10444 bytes |
SHA-256: caffd28a3462ebf8e03a7424f10c824ce812a115cb7f3f332eb8e3a7d4e07226 |
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