MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other domains. These links likely serve as lures for phishing attacks or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://willajarmar.pl/userfiles/file/36695246258.pdf In PDF document text
- http://www.contal-farmer.com/uploads/files/semumujubapid.pdfIn PDF document text
- http://idcla.net/upload/files/94575100361.pdfIn PDF document text
- https://daaeportrett.no/upload/file/fovogu.pdfIn PDF document text
- http://jhdjt.com/images/upload/File/metasagusowu.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613bdd8b47279---7653674162.pdfIn PDF document text
- http://novosib-sport.ru/ckfinder/userfiles/files/zinebusisa.pdfIn PDF document text
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/zejuxezotalubute.pdfIn PDF document text
- http://loadcell.vn/Images_upload/files/59915419742.pdfIn PDF document text
- http://arcdesantmarti.com/biocop/Images/images-editor/file/71370350639.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/dd25206c9858778ea5382445e51e1538/11713942231.pdfIn PDF document text
- http://konakelektrik.com/userfiles/file/11966415505.pdfIn PDF document text
- http://sushiosushi.com/uploads/files/remojuwawamumadonex.pdfIn PDF document text
- https://1877painters.com/FCKeditor/file/58171723058.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b0335b8f09---270927689.pdfIn PDF document text
- http://polyacer-ecp.com/userfiles/files/20210905_071635.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136e3d99126b---nisirupujipezovi.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aaf58e33aa---65484335141.pdfIn PDF document text
- http://www.fdconsult.qa/public/uploads/cms_files/dejeriliwejo.pdfIn PDF document text
- https://fullprotec.com/ckfinder/userfiles/files/38782899695.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/476ae18dbb8bf2054a15c026ee063221/menasujatigupoton.pdfIn PDF document text
- http://svatba-emi.com/uploads/pages/files/34783272504.pdfIn PDF document text
- https://venus-forever.com/image/files/pavoludiveneruvi.pdfIn PDF document text
- https://niboparis.com/upload/fckeditor/files/39932937412.pdfIn PDF document text
- http://interno-kazan.ru/upload/files/32866882224.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=file+iso+psp+androidPDF 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_off0000c5c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5C1 | 16812 bytes |
SHA-256: 6db324f6adc63433879c1019eae8d6cc62d03f62403c10b063057d366adf5407 |
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font_01_sfnt_off0000f188.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF188 | 10264 bytes |
SHA-256: e158aec2ce844f295e86b1571ddeacdb3b1545c7b225b5d40e08c389b704b123 |
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font_02_sfnt_off000108a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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