MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many pointing to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The presence of embedded JavaScript suggests potential for further malicious actions, such as exploiting PDF vulnerabilities or downloading additional payloads. ClamAV detection as Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 further supports a malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://inwebjor.ru/uplcv?utm_term=hamlet+act+3+study+questions+answers
- https://rachelrom.com/rescontent/file/sunamixig.pdf
- http://rocb-ap.org/file_media/file_image/file/58886262211.pdf
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b895bc8ee08---kamokevofimiwodasawes.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607802f9d40f4---gibapimifituf.pdf
- http://cesishotel.lv/res/wysiwyg/file/tegexawiviremun.pdf
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a750b1dd16b---devutixupofux.pdf
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/06cf6e13104e1c8be4d4c791f9deb758/33710425218.pdf
- https://berbagiangka.com/contents//files/39220935743.pdf
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/a4d48f8e740648129e7e373efe2e0e4d/93549554344.pdf
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/f6050d7442e0857f9647e8ee1bed3769/fadibegitalagafewej.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160726ce592050---2656812697.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160939e944dc91---43940127294.pdf
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc0aa48101---tarepelebinozomapuwoxuse.pdf
- http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/zapefemeke.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5383225c7---poweposikosadaverubik.pdf
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607099dc642c9---55179193066.pdf
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606caf2e1417a---pujag.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160abe143c4978---544545160.pdf
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083d6b51b93b---bafuradodipewiwelezaze.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_off00010dad.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DAD | 16792 bytes |
font_01_sfnt_off000125bf.binb09e838a8c6040ec26f973943746ae3b92327eef4c8fce20cc9884a4f44461d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125BF | 17296 bytes |
font_02_sfnt_off00015286.bindbb96cad7d7fdf39415e814211b72e34d9face7c41405906127b79a10aaab75e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15286 | 11140 bytes |
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