MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF document identified by ClamAV as Pdf.Phishing.Trojan. It contains numerous embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to redirect users. The ML classifier also strongly flagged this PDF as malicious. The primary attack pattern involves luring users to potentially malicious websites through a deceptive document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/rixadafipoxez.pdf In PDF document text
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/52fa34361b6cb5b057ed257624bf9b3e/digegukosagakuri.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/niuq9md1vvekavv9lfb86h8tf3/jojunuzaketakit.pdfIn PDF document text
- http://studiosantese.eu/userfiles/files/penifulowolusuviworufavev.pdfIn PDF document text
- http://saxonrt.hu/img/userfiles/files/vemog.pdfIn PDF document text
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/domaxu.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb55e3654e---83547414550.pdfIn PDF document text
- http://chromatographvials.com/d/files/foripuk.pdfIn PDF document text
- http://amirafouad.com/uploaded_files/file/75712713444.pdfIn PDF document text
- http://blsfamilyreunion.com/clients/1/11/11e20eb1c47c3498ff3e66fc1941d138/File/50960726592.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/ls0ak7iuvbtttkhgoe0mpdvrou/levixixalotuferof.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/160f2ab1c9269e---lonajuwobesarajala.pdfIn PDF document text
- http://hindel-relax.ch/ckfinder/userfiles/files/87850344258.pdfIn PDF document text
- http://lesmashclub.com/imgUpload/files/giwepog.pdfIn PDF document text
- https://congnghieptauthuyvietnam.vn/upload/files/60961700848.pdfIn PDF document text
- http://fonnepal.org/userfiles/file/dadegiwumos.pdfIn PDF document text
- http://yhbinternational.com/userfiles/file/buzuwuvesuxat.pdfIn PDF document text
- https://infiniteprospects.com/FCKeditor/file/33196887871.pdfIn PDF document text
- http://digifast.cz/userfiles/wujovipetagad.pdfIn PDF document text
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e41e79229---31839977735.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/fcb1115368a083ae262a64390c5f1c36/70465373934.pdfIn PDF document text
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/f925be838891829ad9a298c001e60b98/jojovetujonumafe.pdfIn PDF document text
- http://xn--22cjbbm2eyae3ehabdb4kqdtae3dxnnc1fhf.com/user_img/files/gewavixeforewelabufef.pdfIn PDF document text
- https://travelsafeway.com/userfiles/file/91252697225.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=california+real+estate+principles+15th+edition+free+pdfPDF 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_off0000c04c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC04C | 14908 bytes |
SHA-256: a228eb4bd973daaaa04df3f49bbae17d8936764f000bde9c6cf14b3a3556977f |
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font_01_sfnt_off0000e607.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE607 | 10932 bytes |
SHA-256: 8f63e47dab29fc7f5ed98073be2523f5649365bb05e9a861782cf3c68ab07475 |
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font_02_sfnt_off0000ff62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF62 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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