MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous external URLs, many hosted on compromised WordPress sites or disposable domains, suggest a phishing or malware distribution campaign. The PDF structure and embedded URLs indicate it likely serves as a lure to redirect users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://medvor.ru/uplcv?utm_term=clear+cache+chrome+shortcut+mac
- https://rsebolivia.org/userfiles/file/96453630900.pdf
- http://wohntraumgmbh.at/1047845003.pdf
- https://whatproperty.ng/ckfinder/userfiles/files/vebawexukofijokupetefutu.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/161422e1451500---kawim.pdf
- http://rayer.cn/d/files/vesanireluvojava.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614141e6d85f8---gimeluzawagijunexovujepi.pdf
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/161374c70c0f7e---66695414720.pdf
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/161494d98bc53b---85119098834.pdf
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce651b99a7---2523996969.pdf
- http://lamay.de/userfiles/file/megabinovote.pdf
- http://lejonhund.com/upload/fimowesakefekuk.pdf
- https://zakarpattya-tour.com/upload/vizevaxufenavewolow.pdf
- http://www.dilipprabhavalkar.com/images/file/44263375041.pdf
- http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/rewezasexuvimow.pdf
- https://mailing.crpm.ch/ck/ckfinder/userfiles/files/junasojoxalasolivelez.pdf
- http://ourpreferred.com/userfiles/files/71061996936.pdf
- https://praktijk.zorglink.nl/ckfinder/userfiles/files/xelezatafoto.pdf
- https://softwebstar.com/shop/userfiles/file/balojenebasusog.pdf
- http://wideanglepackaging.com/ckfinder/userfiles/files/fidababezelawomakilugax.pdf
- https://dcimx.com/files/gedarugesarotanotuz.pdf
- https://keralatemples.info/ckfinder/userfiles/files/guwet.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b8b20d516d---kasedevakow.pdf
- http://neoneophytou.com/ckfinder/userfiles/files/zezaxevitisidewadurelun.pdf
- http://tyros-club.de/userfiles/file/nofufukekemu.pdf
- https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613b46c7a943e---lefugewopa.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_off0000edaf.binac06d62b764ef8aa977f993e1588e688cd2f0c7ff5bc679e5d455d56893e00b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDAF | 10432 bytes |
font_01_sfnt_off0001056e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1056E | 16792 bytes |
font_02_sfnt_off00011d80.bin2785ce576f543f49041551c71e9bf846e1b711d8d32416c947bd883be072d163 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D80 | 18676 bytes |
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