MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by ML classifiers and ClamAV. Static analysis revealed it functions as a link farm, with numerous URLs pointing to various domains, some of which appear to be compromised or disposable hosting. The presence of multiple 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicates a deliberate effort to obscure the true destination or leverage compromised infrastructure. The primary attack pattern involves directing users to external links, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/namesutovumetiv.pdf In PDF document text
- http://hzkontejnery.cz/ckfinder/userfiles/files/19914980269.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607317cbafbde---rokuw.pdfIn PDF document text
- http://tbm-mova.by/images_from_html_editor/file/nomaf.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c48f505d634---nabuvasafidu.pdfIn PDF document text
- http://pokemom2.com/uploads/files/68464726589.pdfIn PDF document text
- http://syarmarka.ru/userfiles/files/92636786698.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cffcaf0f1d---4140170884.pdfIn PDF document text
- http://irinka.org/ckfinder/userfiles/files/58496140494.pdfIn PDF document text
- https://zweefvlieg.net/userfiles/file/dujiduwavejidaxiduruja.pdfIn PDF document text
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/80fccc983749f096ecffa6e2365e95f7/73972675581.pdfIn PDF document text
- http://veterina-hrib.cz/user-uploads/files/4351208485.pdfIn PDF document text
- http://nuestrasenoranm.org/clients/8/88/88a18899c67a61641ca1f7d027daa919/File/xenigidapepodewatazowu.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd3d4b4c61---jezitit.pdfIn PDF document text
- http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/90179130831.pdfIn PDF document text
- http://ipsgroupjjn.org/userfiles/file/vofazuwupi.pdfIn PDF document text
- http://uspeh-kursk.ru/ckfinder/userfiles/files/fuguzagodifowotagogo.pdfIn PDF document text
- https://angkagenap.com/contents//files/pixisezegasulas.pdfIn PDF document text
- http://parfumerieindex.nl/images/uploads/nelewawarun.pdfIn PDF document text
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/ad6e6d07fbd9675007134d4949a639ee/patezexo.pdfIn PDF document text
- https://hurghadalife.net/userfiles/files/15019681194.pdfIn PDF document text
- http://badischer-kunstverein.de/ckfinder/userfiles/files/44809492071.pdfIn PDF document text
- http://1970lions.com/clients/5/57/57eb30a5877ba0c7834658d164206012/File/44370420404.pdfIn PDF document text
- https://gastriklandsbf.se/UserFiles/files/dumofafewalovazetefile.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/7eb2735ec1f98184003c580814cb0357/5953001527.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=quark+model+theory+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_off0000bf88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF88 | 16580 bytes |
SHA-256: d1fc5962c3a94586654f8f0a1cd83bb3240a0e4fc64bbe24bdcc7b00e76d0ec8 |
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font_01_sfnt_off0000ea4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA4E | 10764 bytes |
SHA-256: 01275169cec18f9462bade0cdb966d2fcbf801f7e6b3244e0a2195a83a138971 |
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font_02_sfnt_off00010335.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10335 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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