MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains a link farm pointing to various domains, likely intended to redirect users to phishing or malware hosting sites. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://smidgel.ru/uplcv?utm_term=signs+of+life+pdf PDF link annotation
- https://medsplus.us/admin/images/file/17818764878.pdfIn PDF document text
- http://cinebuzz.be/uploads/userfiles/files/rigorixupivunuda.pdfIn PDF document text
- http://fecirturizm.com/resimler/files/gexikosazorar.pdfIn PDF document text
- http://isotech.si/uporabnik/file/pifaxal.pdfIn PDF document text
- http://deleersnijder-bocaege.be/images/file/27538597779.pdfIn PDF document text
- http://inlovehuahin.com/file_media/file_image/file/sowesolazezuwokasoxe.pdfIn PDF document text
- http://bio-scan.com/userfiles/file/42718415468.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/161425c8a393cb---tutagazajudusip.pdfIn PDF document text
- http://happyorderfood.com/uploads/files/82516763672.pdfIn PDF document text
- http://paykaaluminiya.ru/ckfinder/userfiles/files/4806212254.pdfIn PDF document text
- http://biolabsrl.org/userfiles/files/78857980707.pdfIn PDF document text
- http://qazaqbanki.kz/data/content/files/sujavofedetasupamok.pdfIn PDF document text
- http://tcsklife.com/filespath/files/20210904224707.pdfIn PDF document text
- http://motorlustor.net/userfiles/file/67014610033.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16146f62180a8f---wegibiz.pdfIn PDF document text
- http://www.ufolep-69.com/contenus/files/83874734540.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613169e7f0742---82636405045.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/f17cfe751b29ca10ecd999f2f372a356/fezabam.pdfIn PDF document text
- http://jnejendomsdrift.dk/userfiles/file/32861724509.pdfIn PDF document text
- http://greensquares.in/userfiles/file///wuxovuwajonakenome.pdfIn PDF document text
- http://spain-ex.com/images/blog/file/pasupikejujufefewi.pdfIn PDF document text
- https://equinox-e.com/upload/files/44015027138.pdfIn PDF document text
- http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/wivona.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_off0000c0d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0D2 | 16756 bytes |
SHA-256: 42af3a68f5c34e3ee4c6aeb8205734e6880856579d67ff1f8b04bab6719bd1ca |
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font_01_sfnt_off0000ec33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC33 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001044a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1044A | 10388 bytes |
SHA-256: 909ff81f0a172dc66c20cf207c9de485899d3a864ec2532447a91c23f41ba617 |
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