MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links to compromised websites and a deceptive download button lure, suggesting it is part of a phishing or malware distribution campaign. The presence of embedded URLs and the nature of the heuristics indicate it likely attempts to exploit vulnerabilities or trick the user into downloading a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://oniceh.ru/uplcv?utm_term=get+worn+out
- https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/20a51d061f8f50321e1e7068cfbc2708/kaviwikimuvanu.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/vejrfgsllq88rbb95de4k7le1t/23309572921.pdf
- http://aranykoronakft.hu/userfiles/file/30903837149.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b2cafb4bcda---tofoxupunigemarem.pdf
- http://clase86marista.com/clients/25276/File/firekafabepu.pdf
- http://ranaghatpchsschool.org/userfiles/file/89604024480.pdf
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160868260e9a20---25989002527.pdf
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160703374da0f1---gajatajawe.pdf
- http://hayatteknoloji.com/webimage/file/gedoxu.pdf
- http://fanti-fitness.pl/uploads/assets/file/79517772100.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/4te80lpoevgsj1s043p2fl06tb/83182790609.pdf
- https://noticky.net/akce/fotky/file/vaxugotadikibor.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609de3a785d18---tovuxugipowuzito.pdf
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/051f7d720d4662bed1fc3366e6cd9ea4/lunukatuvudefese.pdf
- http://mt-filtration.com/uploaded/file/168585709060b7c67c638a7.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/hc3tudr1p23cr08c09l0tp0or3/gikerolezabovarusugatuj.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a3818473cb5df6e6b4e6047f9dda6929/56075947069.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/gi82gnb42ngfnsogd7p7dke470/63752117286.pdf
- http://akcjonariusz.com/UserFiles/file/60867908585.pdf
- http://global-insurance-broker.de/downloads/lefamidugivel.pdf
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a7f9e21c59---23583045769.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/83e2c2c6636c35e5b3fc9d853cd88c8f/85152266487.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfe5379c018---gisuvixapegenetog.pdf
- http://er-trans.com/img/produkty/files/zibakuguguvobebugizuj.pdf
- https://leuphuotcamap.com/uploads/image/files/loxinonota.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f008.bindf4af0354ab141f90557f2237b61d72375f17b8398f84d7882ec24f41cc1ee7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF008 | 16956 bytes |
font_01_sfnt_off00011be7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BE7 | 16792 bytes |
font_02_sfnt_off000133fd.bin825556ec4493ec076bb603f2e7b52f6c88dba5fbe22f9cb3ee4fc22310b7324e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133FD | 9860 bytes |
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