MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to potentially compromised websites, suggesting a phishing or malware distribution scheme. The PDF structure and embedded URLs point towards an attempt to redirect users to malicious content hosted on these sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/8ir20t7lfs38brnundb6jeo4h6/56522299948.pdf In PDF document text
- http://dainichiji.com/upload_ckr/files/32191434097.pdfIn PDF document text
- http://foto-klub.dk/userfiles/file/85638058018.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/d7a230e3f810790d767aefc6dd3fa68c/ximonenavew.pdfIn PDF document text
- http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/pisofigubogadelugunafari.pdfIn PDF document text
- http://tajeer.co/userfiles/file/jetuvojoguzu.pdfIn PDF document text
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/0obfc20aoeehbauad01unug2m6/xazimatipewak.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/537e811ed94087c14546c03214fb9f79/19178789141.pdfIn PDF document text
- https://alarouba.com/ckfinder/userfiles/files/ximote.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f88b1a6458---keratusijojudi.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/s05hcqeot3ivtmibgnku6usan6/tujozi.pdfIn PDF document text
- http://coachhouse.info/assets/file/zerokoribipoveme.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e05432af4a---20846339983.pdfIn PDF document text
- https://swapnauraan.com/ckfinder/userfiles/files/29359881386.pdfIn PDF document text
- https://bleikss.com/userfiles/file/12978155577.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1610d91bd86b89---mukisebuwu.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607a7aa005a97---xipaligiw.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a10f461da07---30523816942.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/a74444ca31372dba7e28d015468ffbef/53585131544.pdfIn PDF document text
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/gnq52qod91p06siipnm7a4v915/xobezoxujalez.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/dc46a7830b2ab53c31430802b8817716/robejevakekutinepeta.pdfIn PDF document text
- https://an-professional.ru/img/files/file/xegaligixonenofujisadokiv.pdfIn PDF document text
- https://securityguardsupply.org/php/uploads/file/dipakujudatomujol.pdfIn PDF document text
- http://vantaibactrungnam.vn/upload/files/tenebasuritonup.pdfIn PDF document text
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4b8d11648---zidinevanokevogabixuxogu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=mester+%C3%A9s+margarita+pdf+let%C3%B6lt%C3%A9sPDF 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_off0000dd4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD4B | 18804 bytes |
SHA-256: 357ca66c7c890d9ede8d0a9f82630fd63c433a9d611db2e2c742548e3f866c1d |
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font_01_sfnt_off00010b7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B7C | 10976 bytes |
SHA-256: 691423d8b9e1286b2b573342f69df00ff3d6699b61ceb8a5eff2ae7d7c485a83 |
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font_02_sfnt_off00012466.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12466 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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