MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on potentially compromised or disposable domains. The presence of numerous URLs, including one pointing to a WordPress upload directory, suggests an attempt to distribute malicious content or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9897
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://krisoc.ru/uplcv?utm_term=it+chapter+2+full+movie PDF link annotation
- https://www.allduniv.ac.in/ckfinder/userfiles/files/kefexe.pdfIn PDF document text
- http://fatamorgana.fr/uploads/assets/file/jovarim.pdfIn PDF document text
- http://gesundheit-im-blog.de/userfiles/file/35315819121.pdfIn PDF document text
- http://exosportsante.fr/ckfinder/userfiles/files/9782195587.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/japoviweropoza.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///87436030142.pdfIn PDF document text
- http://bordahusfeldolgozo.hu/editor_up/guveku.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146a9da313dc---63089974213.pdfIn PDF document text
- http://inventory-acepipe.com/images/uploads/files/pokewajosixoput.pdfIn PDF document text
- https://iphone-odklep.si/vsebina/tetuzeji.pdfIn PDF document text
- http://razaviota.ir/basefile/razaviotair/files/nomezivifuvumur.pdfIn PDF document text
- http://studiocastigli.eu/userfiles/files/64355854176.pdfIn PDF document text
- https://gaadalagi.com/contents/files/92027157442.pdfIn PDF document text
- http://vakantie-noordlimburg.nl/ckfinder/userfiles/files/wolemoge.pdfIn PDF document text
- https://marmetal.cevhertemizlik.com/userfiles/files/malunudobopem.pdfIn PDF document text
- https://on-call-anatomist.org/ckfinder/userfiles/files/zuzafapiv.pdfIn PDF document text
- https://dentalrud.com/userfiles/file/kilinixijizidagobupuzo.pdfIn PDF document text
- https://literie-depot.fr/UserFiles/file/jebozu.pdfIn PDF document text
- https://saksisan.com/upload/ckfinder/files/58055072657.pdfIn PDF document text
- http://www.stadion-zarya.ru/ckfinder/userfiles/files/jijelijuxububemakakoj.pdfIn PDF document text
- https://cfaegaianascente.pt/portal/userfiles/files/98333689647.pdfIn PDF document text
- http://dichvutot99.com/webroot/img/files/4661386001.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/0d5fa2a38702cfe94925995b2fecc35f/99735431616.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/c6cea030c5e451e4095ff51b82078657/46253696123.pdfIn PDF document text
- http://www.pics4us.de/userfiles/file/rilalodidobareruvum.pdfIn PDF document text
- https://linardi.ru/files/file/pekatusikozemeguna.pdfIn PDF document text
- 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_off000106b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106B8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011ecf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ECF | 10712 bytes |
SHA-256: 81f1936d372dc9eaf632d888303e92a3e93b99cc6838a4d78b5c66e6a3489992 |
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font_02_sfnt_off0001377b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1377B | 17228 bytes |
SHA-256: 1059bf0b5b5d744bb0fb489acb3047d75ca5106c46b7754b616d78884834d865 |
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