MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file 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, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the PDF structure itself are indicative of a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://wastran.ru/uplcv?utm_term=planifica%C3%A7%C3%A3o+de+s%C3%B3lidos+geom%C3%A9tricos+para+imprimir+pdf PDF link annotation
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/nbq4i2iopbgntq52jk3h9vaknt/29486994444.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/640bc433dfae59cd8bfc3463f1036925/47265954752.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acd0bf00854---wokusumu.pdfIn PDF document text
- http://ventensis.lt/public/ckfinder/userfiles/files/rodefokagowokepejevego.pdfIn PDF document text
- http://sanarina-coaching.de/ckfinder/userfiles/files/23961463679.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c5323aac14a---ridikuwewaxulo.pdfIn PDF document text
- http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/51941558827.pdfIn PDF document text
- https://curewelldiabetes.com/userfiles/file/66359079331.pdfIn PDF document text
- http://artpolinakuzina.ru/pict/file/xikuratexedinef.pdfIn PDF document text
- https://euchebnici.com/img/file/99183787714.pdfIn PDF document text
- http://espacioschillout.es/images/admin/file/kakukalurominevoruka.pdfIn PDF document text
- http://daegyung.kr/userfiles/file/20210815052844.pdfIn PDF document text
- http://sxhk365.com/uploads/file///moduwarevulokomolifoge.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/410185e28fdc6da82eee5805879c24f0/24138988679.pdfIn PDF document text
- http://tksvolga.ru/userfiles/file/zovudagewetig.pdfIn PDF document text
- http://srihemkuntschoolint.com/slbdavbatala/userfiles/file/68634135464.pdfIn PDF document text
- https://bepcongnghiepphuchung.vn/userfiles/file/47905564095.pdfIn PDF document text
- http://phuwangnam.com/user_file/file/67569453024.pdfIn PDF document text
- http://xn--b1adcbbai1bezln.xn--p1ai/content/File/77315572222.pdfIn PDF document text
- https://digireg.nu/upload/63044701692.pdfIn PDF document text
- http://creaorganization.com/depo/sayfaresim/file/rediduxapure.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_off0000cc45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC45 | 11720 bytes |
SHA-256: 59882e3744e315e3054e7df79e7d51ef836f27e6959f71008ca6b37a192411ba |
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font_01_sfnt_off0000e6ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fec0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEC0 | 19616 bytes |
SHA-256: 42adb60d9bc4d7a5f1dfe3f833aff052cd8248086cbafb56b4d1f16c964df9c5 |
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