MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, 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 or phishing lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. While no scripts were explicitly extracted, the PDF structure and link farm nature are common for distributing malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://archiwum.wyryki.eu/admin/ckfinder/userfiles/files/fuxukaxasabifotorafel.pdf In PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609f79b196283---19880008157.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160708b43a1678---88845751862.pdfIn PDF document text
- http://internationalnetworksolutions.net/files/In PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e3bcdc5ecb---tatumogujop.pdfIn PDF document text
- http://xn----8sbfeahwarn6ac1adp3fb2p.xn--p1ai/userfiles/file/93391185039.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075c17227253---88812488520.pdfIn PDF document text
- https://kanalprofi.at/UserFiles/file/noledidipopoburukonul.pdfIn PDF document text
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/16085e8ea31e7d---bosugorovufabijewepebi.pdfIn PDF document text
- https://arerp.kr/data/file///fawevizomisalopebetamer.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/26acaa83ae3a7d5e6ebae6fbf1535250/18444970284.pdfIn PDF document text
- http://cmi.nfe.go.th/ckfinder/userfiles/files/28690852944.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c85b030e4c4---wukamojuwewajafikatunexo.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095c0d5015b3---movutugofila.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/0ad9591975d77856a8201f58fa3b39e7/61265935146.pdfIn PDF document text
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c07b3dc8702---denesujebuninodefuvul.pdfIn PDF document text
- https://jhservice.net/imagenes/galeria/files/75522332626.pdfIn PDF document text
- http://bearings-home.com/userfiles/file/44773643275.pdfIn PDF document text
- http://turar-mussin.com/userfiles/File/23630554037.pdfIn PDF document text
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/d1kg6ec0mkua985t04d3smr3ae/61932246849.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2bb878a29---84974566318.pdfIn PDF document text
- http://4bx.pl/public/file/tazajupamosasawi.pdfIn PDF document text
- http://rjbmachinery.com/d/files/16521595293.pdfIn PDF document text
- http://phdpecs.hu/userfiles/files/nareveduwatakegogafotule.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=if+formula+in+excel+pdfPDF link annotation
- https://mediaget.com/userfiles/files/7006925945.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_off0000cc75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC75 | 10668 bytes |
SHA-256: 0b3ab7c5e48ecc76c779403acf79c693ab96fe50e45dff8fc7928e2d60e3cdba |
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font_01_sfnt_off0000e4cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4CD | 16644 bytes |
SHA-256: bba2cf300f393eaa29a43cb17939407df9a4034407d33f0e0764d674928dd69a |
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font_02_sfnt_off0001104e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1104E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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