MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous external links, many of which point to compromised CMS upload directories or disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. The primary attack pattern involves directing users to potentially harmful external websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://allytemp.ru/uplcv?utm_term=nagraj+all+comics+pdf+free+download PDF link annotation
- http://revucue.com/ckfinder/userfiles/files/53742641564.pdfIn PDF document text
- http://samocvet.org/foto/ck/files/48660309058.pdfIn PDF document text
- http://viswinkelindex.nl/images/uploads/77894719483.pdfIn PDF document text
- https://petandpuppies.com/userfiles/file/xididulubulogowivubokuja.pdfIn PDF document text
- http://lehnerkom.de/images/uploaded/file/74908991190.pdfIn PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/2cd1eb4b711d277cba85b6d00af59718/likuziwabe.pdfIn PDF document text
- https://hostsolutions.ro/app/webroot/files/userfiles/files/fuwadotewok.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe75196594---ravobajasesiwere.pdfIn PDF document text
- http://scard.vn/app/webroot/uploads/files/konigopibogop.pdfIn PDF document text
- http://sendedianqi.com/upload_fck/file/2021-9-12/20210912185725211308.pdfIn PDF document text
- http://kmkonsult.cz/userfiles/file/8953627767.pdfIn PDF document text
- https://maintogelonline2.com/contents/files/44327015010.pdfIn PDF document text
- http://aczelzalog.hu/tmp/miwusulasanimebawikebe.pdfIn PDF document text
- https://cs-nippon-cp.com/mailmagazine/upload/files/30127875136.pdfIn PDF document text
- https://linhquan-group.com/upload/ck/files/76521043057.pdfIn PDF document text
- http://egitara.com/upfiles/files/26001862564.pdfIn PDF document text
- http://veterinariacomportamentale.it/userfiles/files/selekosemexikonazu.pdfIn PDF document text
- https://starfoil-mail.nl/uploads/wysiwyg/13476446415.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c2b38005f0---labugi.pdfIn PDF document text
- https://lyonsinn.com/nbloom/fckuploads/file/56913606641.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/a42c9370t9js79bvrlu8are0o2/tugusifumigigixowifuf.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_off0000b1a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1A9 | 18688 bytes |
SHA-256: 5e2fb436415153bab922e0ad0cfc4a8e2b2d06c29c376332df4a998db527c50e |
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font_01_sfnt_off0000e182.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE182 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f999.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF999 | 11056 bytes |
SHA-256: 909334b5ba749ff4047601c37fe4316beb955a9ca77c9dcd685c1e8c3a009754 |
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