MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting. The ML classifier and ClamAV also identified it as malicious, likely phishing-related. While no scripts were explicitly extracted, the nature of link farms often involves JavaScript to facilitate redirects, hence the inclusion of T1059.007.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://st03.it/userfiles/files/xomufafafazepuluxedaz.pdf In PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/167f1120fa20aee4ee33319cfe770e80/68768388604.pdfIn PDF document text
- https://daiichitravel.com/uploads/news_file/sobozitemubovagefewekas.pdfIn PDF document text
- http://homenet-spb.ru/userfiles/file/80166081853.pdfIn PDF document text
- http://valsadindustries.com/userfiles/file/45191966159.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dca2dcbc30---66280957546.pdfIn PDF document text
- http://www.deopendeur.org/imgUser/file/netavufaliruzuligimoxox.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/dodavaji.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/jusaw.pdfIn PDF document text
- http://stalmost.pl/userfiles/file/34439057651.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16082d545f2dc4---43048668669.pdfIn PDF document text
- http://abacusnancy.com/userfiles/file/xuzojuranoz.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac2b661c23---xutog.pdfIn PDF document text
- https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/mboq65sosugdboq768gtdcjett/gasavodapur.pdfIn PDF document text
- https://debcopharma.com/userfiles/file/59390810171.pdfIn PDF document text
- https://berbagiangka.com/contents//files/3242429164.pdfIn PDF document text
- https://dimensioninteractive.com/WYSIWYGImage/file/ruwozixizonev.pdfIn PDF document text
- http://shinies.ru/img/lib/file/79434381893.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608b2f94e77a4---57375134276.pdfIn PDF document text
- http://abwcrainhwy.com/uploads/files/93496620672.pdfIn PDF document text
- http://xn--80adpfaaeictf0c6c7i.xn--p1ai/public/file/degipafejufudavupij.pdfIn PDF document text
- http://pioneerbuzz.net/userimages/11705039271.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=unir+varios+pdf+en+lineaPDF 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_off0000ca1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA1F | 18636 bytes |
SHA-256: ff1fffbb203a9afe97e8ea1c9e7b41996341714789a6d366d8cc02e9eb25f5f4 |
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font_01_sfnt_off0000fa34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA34 | 10464 bytes |
SHA-256: d5660659c68de4597a4a2d4cc8a85bb5be11b40060543de38bcdf1e09e40f9a4 |
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font_02_sfnt_off00011214.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11214 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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