MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically identified as a phishing trojan by ClamAV. It contains numerous links to external websites, many hosted on compromised CMS upload storage or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure indicate an attempt to disguise malicious activity as legitimate content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://sity-luxe.ru/userfiles/file/kedowatagugedomolavug.pdf In PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a74d699778b---vefixasovuxego.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1608ce4bcdbcd4---67336130523.pdfIn PDF document text
- https://medprobr.com.br/wp-content/plugins/super-forms/uploads/php/files/8ab40f9474e909e6ce76cf7b62774ef8/dunawesi.pdfIn PDF document text
- https://fratellifurloni.it/file/18682048462.pdfIn PDF document text
- https://narimasu-chintai.net/jcfiles/file/rujajetakufejirurifomom.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/ejefjlgq2u47f2olvgp4o7p9r3/lezolelufurumozipiwoze.pdfIn PDF document text
- http://harchovyk.com/userfiles/file/14955444146.pdfIn PDF document text
- http://soleilboo.com/images/uploads/files/87490632296.pdfIn PDF document text
- https://aspirans.com/files/file/fofinew.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/f70df13b23e0b49fbbfb1c88d3e0eae5/64205066788.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbd0f80b93---37527080898.pdfIn PDF document text
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/270a975a19c030ff879d01a64a40168e/voromipoxuviwiwurinez.pdfIn PDF document text
- http://kamkmori.cz/ckfinder/userfiles/files/19423082017.pdfIn PDF document text
- https://vatlieutaphu.com/upload/files/mobobagudagutixukari.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16083314178610---6436724447.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/0c92b47b0760b9cdc49f19e25b55f6ff/26037944991.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/esess00blgn6it357u0v7fnr9d/jowefoxefifimetomor.pdfIn PDF document text
- http://sumterhigh89.com/clients/863574/File/95080996507.pdfIn PDF document text
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/bbb3f28a827650808534fa6a979ec6c8/70911462408.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cf3f74242c6---zisexifegixibiwol.pdfIn PDF document text
- https://barcelonamedicalcenter.com/files/galeria/files/jojeguxug.pdfIn PDF document text
- http://kimandyoo.com/userfiles/file/8946848632.pdfIn PDF document text
- https://aicpwdosaeast.com/ckfinder/userfiles/files/xejusabixunudilepis.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/24461c8b024348eaea5a674f0e8aafe1/wajavulitugomekobasarogam.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=wordpress+tutorial+deutsch+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_off0000bc1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC1B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d432.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD432 | 10704 bytes |
SHA-256: 3dc21934916e3c5e91bb71ea4ee4c8fde6b5bda1f20881e43487038d83e5ac82 |
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font_02_sfnt_off0000ece0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE0 | 17668 bytes |
SHA-256: 6ff6b4c44b7dfe90ebee240490bcb0e2c7f8c0b23651a58c701a62a3cf6b425a |
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