MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Numerous URLs were extracted, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to lead users to malicious sites. The presence of external URIs and link farms indicates an attempt to direct users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://irlanc.ru/uplcv?utm_term=what+is+my+local+ip+android PDF link annotation
- http://fkm-lux.by/var/upload/file/wumavano.pdfIn PDF document text
- https://fertilizerproductionprocess.com/d/files/24578866883.pdfIn PDF document text
- http://wannawwannie.pl/userfiles/file/nixafalazusukuxidavap.pdfIn PDF document text
- http://ipea.kr/userData/board/file/45357145737.pdfIn PDF document text
- http://masan315.net/board/imagefile/file/lomupovalutusa.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144a3e777539---6035664354.pdfIn PDF document text
- http://atya.eu/files/file/pefowineja.pdfIn PDF document text
- https://tradingcall.in/ckfinder/userfiles/files/nuzikoraxowod.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614575f44780d---95751523008.pdfIn PDF document text
- http://yingtailong.com/upload/file/210907161034482752xsmlztegc2hm.pdfIn PDF document text
- https://komunalno-vrgorac.hr/files/57229790412.pdfIn PDF document text
- http://abpjseah.news-read.com/upload/files/xovudobadilaro.pdfIn PDF document text
- http://mim2010.ru/userfiles/file/kosoxo.pdfIn PDF document text
- https://ibshospitals.com/userfiles/file/9102578689.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/01bdc88c84e2ffe1a31513a17a99d76a/jasojuzapekesineboweduveb.pdfIn PDF document text
- http://safetruck.gr/images/file/metufuwijofazodakadar.pdfIn PDF document text
- http://irina-beha.com/ckfinder/userfiles/files/81021713298.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/0d984d774d4e720036af1e1b923abb88/24771298095.pdfIn PDF document text
- http://a-b-i-s.net/layout/bilder/file/88352630738.pdfIn PDF document text
- https://perfecthospital.net/ckfinder/userfiles/files/mobosugufu.pdfIn PDF document text
- http://jjburgerut.com/uploads/files/94705299148.pdfIn PDF document text
- http://retailcop.ca/files/60700626448.pdfIn PDF document text
- https://thietbivesinhanhhuy.com/asset/files/mokimewug.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_off0000c5dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ddef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDEF | 17488 bytes |
SHA-256: 5ac3a3c1c2d6470d1adc7a7ed7223372170cb0a5fbe06b815f1c0cb766f9fb2c |
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font_02_sfnt_off00010bfe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BFE | 10752 bytes |
SHA-256: 69f23cf31fba97d081d444c74e5fb852dd4a79a3dd73b87868f4c7edf669cf3c |
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