MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous links, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF files within the link farm further indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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://verypool.cn/images/upload/File/xidamimexajoxexadatutadus.pdf In PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/1749966dd0c78e3910dfbe5604e2f743/41763896102.pdfIn PDF document text
- https://baoyi-chuck.com/ckfinder/userfiles/files/vowuvon.pdfIn PDF document text
- http://lycee-elm.com/userfiles/file/57895600506.pdfIn PDF document text
- http://kerekagy.hu/UserFiles/file/25778092531.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/80ad5dc776ba4cbc1ce9d559f4202a6e/15972907965.pdfIn PDF document text
- http://www.casasemio.com.br/ckfinder/userfiles/files/64808704497.pdfIn PDF document text
- https://billionbosses.com/ckfinder/userfiles/files/64949948793.pdfIn PDF document text
- https://urbanlivin.lu/userfiles/files/98190478347.pdfIn PDF document text
- https://yingzhaoliuart.com/upload/file/6523788107.pdfIn PDF document text
- http://mtsp.by/userfiles/files/76306864521.pdfIn PDF document text
- http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/33379367621.pdfIn PDF document text
- http://cnc-soustruzeni.cz/files/file/telegenuji.pdfIn PDF document text
- https://playindiano1.in/ckfinder/userfiles/files/kabuwuwiliwituni.pdfIn PDF document text
- https://coevent.ru/upload/files/guwumejezekamebakup.pdfIn PDF document text
- https://aromamarketing.md/img/files/binotuga.pdfIn PDF document text
- http://rickgrisolia.com/userfiles/files/taxovoj.pdfIn PDF document text
- http://bukharaalpharetta.com/sites/default/files/file/rugezuxovosopuzafukijoku.pdfIn PDF document text
- http://gro-felix.si/uploads/4255703305.pdfIn PDF document text
- https://aukshanya.promosing.com/alpha/ckfinder/userfiles/files/renadewogopegusex.pdfIn PDF document text
- http://vitanova-cattery.com/upload/file/demekimeradiramajevido.pdfIn PDF document text
- https://opescom-store.com/uploads/FCK_files/file/botisipefuwijave.pdfIn PDF document text
- https://yar-net.ru/userfiles/file/zipib.pdfIn PDF document text
- http://3dprofi.net/images/uploads/file/96091815606.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/579ca8e24bb66ec5cb9e4a4c9c88917e/28558052480.pdfIn PDF document text
- https://riminabda.sk/userfiles/file/bodapurijogasuk.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614bcfe2b12c3---xedixozeruvafiwofijimije.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=download+collage+maker+for+pcPDF 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_off0000b5eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5EB | 15140 bytes |
SHA-256: 47de48f948c93cb93f2588ce1c6a6d2a4dbeede19f595cd551dad5141cc47830 |
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font_01_sfnt_off0000dc3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC3C | 10784 bytes |
SHA-256: bc1637d3c9ce7107d2692f6c66362f4114a92fb41d1699ab41d5740435abee5f |
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font_02_sfnt_off0000f4e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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