MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated a high probability of maliciousness. Numerous embedded URLs were found, with several pointing to compromised WordPress upload directories, suggesting a phishing or redirection scheme. No scripts were extracted, but the presence of multiple links to potentially malicious sites indicates a lure-based attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609efff3475a2---885191553.pdf In PDF document text
- https://leifs-auto.dk/images/file/60764328903.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/87413598517.pdfIn PDF document text
- https://vnmmalta.com/userfiles/file/sodirirapakibexi.pdfIn PDF document text
- https://amoslodge10.org/ckfinder/userfiles/files/boxitixag.pdfIn PDF document text
- https://worldmedglobal.com/userfiles/files/bobujur.pdfIn PDF document text
- http://kimhoatra.com/upload/fckimagesfile/16982461413.pdfIn PDF document text
- http://ahkjt.com/upfile/file/figufimurukomolowidiwigi.pdfIn PDF document text
- https://www.luthier-auxerre.fr/ckfinder/userfiles/files/tarolere.pdfIn PDF document text
- http://sibzakon.ru/ckfinder/userfiles/files/65383898241.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b6a8ded59---suletifejegarusitalinufu.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160869c1c29b9e---94492019597.pdfIn PDF document text
- https://erdemlerkoleji.com/resimler/files/85780123892.pdfIn PDF document text
- http://guojingmall.com/userfiles/file///72931919711.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/rsdd403poe06hfl1j8rg6k8snr/gusotapal.pdfIn PDF document text
- http://yizhu580.com/ckfinder/userfiles/files/voroxavozunigajanod.pdfIn PDF document text
- http://padgettlawreunion.com/clients/79772/File/lugafil.pdfIn PDF document text
- http://gardatrans.com/content/Files/50440660707.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd62a0b74d9---dunow.pdfIn PDF document text
- https://pharmnet.cz/ckfiles/files/files/lovigabavavigejumuvinit.pdfIn PDF document text
- http://joyear.com/ckfinder/userfiles/files/tisiriso.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/0bc50c523952470351434c872fdd3a94/ribajowavajuvoratasofu.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/f47ed34c13c144ab6c404fdc7a6119d9/54684363837.pdfIn PDF document text
- http://elcampoeco.org/FCKeditor/file/869191249.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=proctor+silex+roaster+oven+32190+manualPDF 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_off0000d71b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD71B | 11296 bytes |
SHA-256: a4d8a154daf42e572aec10e5ba8a606813b84e66d582b1df56bc0057e1297be7 |
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font_01_sfnt_off0000f1cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1CD | 18608 bytes |
SHA-256: bc72085366bab1dd7a5b00a1d4ad7042c7b9c9bfde131861f42f89e0fc28530f |
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font_02_sfnt_off0001225a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1225A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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