MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload directories or disposable domains, indicating a link farm designed to manipulate search engine rankings or direct users to malicious content. ClamAV and ML classifiers strongly indicate maliciousness, with the PDF being detected as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://oletrans.sk/editor_uploads/files/10330484835.pdf In PDF document text
- http://aumnat2car.com/ckfinder/core/connector/php/upload/files/69157742171.pdfIn PDF document text
- http://haphadoor.com/upload/files/segomufogo.pdfIn PDF document text
- http://www.salpasafarit.fi/tiedostot/files/mavuneminokezejozinivuvo.pdfIn PDF document text
- http://jinruily.com/UploadFile/file/20210916225854413.pdfIn PDF document text
- http://hoteldanang.vn/uploads/images/files/81717774900.pdfIn PDF document text
- http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/rofagi.pdfIn PDF document text
- http://nuestratierrapremios.com/campannas/file/14195111777.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161463a746b0ba---19608135810.pdfIn PDF document text
- https://ilonew.tasksplan.com/userfiles/files/66722640057.pdfIn PDF document text
- https://sonntag-immobilien.lu/userfiles/files/tixozomexesa.pdfIn PDF document text
- https://fundacionamigosdelmarcaribe.ong/ckfinder/userfiles/files/94515404404.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/02ctoh1leb43hk48h4votqmc27/59145630795.pdfIn PDF document text
- http://centroolosprato.it/userfiles/files/zogaduwidodikuvuna.pdfIn PDF document text
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/80118116996.pdfIn PDF document text
- http://fsnmmaterials.com/UPFILE/userfiles/files/natiminaje.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161394d0e8e14f---39332050987.pdfIn PDF document text
- http://royalwedding.jp/images/blog/file/84664637422.pdfIn PDF document text
- http://www.lebedosapartotel.com/data/yukle/files/zazawudo.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/13933672651.pdfIn PDF document text
- http://ykzn8.com/upfiles/editor/files/fezetorogexunab.pdfIn PDF document text
- http://ventss.ru/userfiles/files/xoxijejoxuwa.pdfIn PDF document text
- https://numen-wow.com/userfiles/cloud/files/6407770504.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131155146e08---gaminexudu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=check+website+position+for+keywordPDF 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_off0000e069.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE069 | 17464 bytes |
SHA-256: 162a3a5368e33dcb7a57f0b0df63555e710c1d7d8284edb49229b588aaecf8e1 |
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font_01_sfnt_off00010dc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000125d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125D8 | 10972 bytes |
SHA-256: 9fc1863b38c5c7296f9c86a8d911480402f381ba4c8fad43a7946da14cc17ce3 |
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