MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, likely serving as a lure to download or view further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://noddy.nu/images/file/43704384685.pdf In PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16081fdb14d641---najonetamojo.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbe236641f---81456523337.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff196cc586---nigupomexorimenoneso.pdfIn PDF document text
- https://aglogistics-bo.net/userfiles/file/pinogifobekanix.pdfIn PDF document text
- http://bertrandetgastineaudesigners.fr/userfiles/file/60110153051.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094005c778db---majexazokuluw.pdfIn PDF document text
- http://masonhn.com/d/files/53986158249.pdfIn PDF document text
- http://azizolace.cz/images/file/2914319006.pdfIn PDF document text
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/pouh6c8244ov4t4cg2ciph3r86/26360036016.pdfIn PDF document text
- https://asset-books.com/userfiles/file/vuxamor.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/99ab93a608eaced649a97ee110ab239c/repezajetejixobok.pdfIn PDF document text
- http://cymrozgreatdanes.com/clients/1/1a/1a407d8ccac5525c71aaafb6b4664123/File/1808069692.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160dbb5b9c06d3---63972553286.pdfIn PDF document text
- https://ekransamara.ru/files/83567428814.pdfIn PDF document text
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/d832a2c3798e731f6fedcc3020fa2ed5/36228932331.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608be2a5a0d52---56246590409.pdfIn PDF document text
- http://otoozevran.com/resimler/files/nusawudeno.pdfIn PDF document text
- http://interno-kazan.ru/upload/files/dogirusagabuleto.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606fff0d39bf1---554091851.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160c402eee0e0f---75955446103.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/eef3392ea0c8db045d85e6fb004469da/49086933867.pdfIn PDF document text
- https://llsindia.in/FCKeditor/file/17812178827.pdfIn PDF document text
- http://vhshf.de/File/95847358952.pdfIn PDF document text
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/20db2e2939d0e117e602dca2fdaa6bb0/pononiduxosi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=image+to+pdf+converter+mobile+appPDF 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_off0000e8e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8E7 | 10952 bytes |
SHA-256: 7216a99a24942e863c799c974175e4f35300ddd9295065d700b575f6b8e8d79f |
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font_01_sfnt_off000101cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101CF | 16896 bytes |
SHA-256: 5db23f2b2066ec04e0c2cf4ac843a246789e3ee2011abe5a1fc2e65828b2fa99 |
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font_02_sfnt_off00012dc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DC7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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