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 high-confidence ML classifier and ClamAV detection. It contains embedded JavaScript and numerous external URIs pointing to compromised CMS uploads and disposable hosting, suggesting it functions as a link farm. The primary purpose appears to be directing users to malicious websites, potentially for phishing or further malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://huntic.ru/uplcv?utm_term=baby+room+clipart
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/r70f35d93hrn1k16cdfqaokq86/38505592741.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160877a9344e02---21542269907.pdf
- https://penal-garazh.ru/files/53297902791.pdf
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/b6a74479b93376ef26beab4e967e6654/xuluko.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160822800efc35---16533918963.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/6fc1rnssl6ncvj5f8hiq7d3elf/4211651879.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609082a03ba00---4682654447.pdf
- http://arch-teh.com/pic/userfile/92501186133.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/fe9d6a99aabe2196aa0008f2d9cbfcf7/kurivamagife.pdf
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acfcaea5010---35736781368.pdf
- http://sugarfree-gelato.com/upload/file/84726920563.pdf
- https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/8823161951.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/a4169516dd12861b87de71b74ffe06a7/5503462757.pdf
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bcf618bae43---35021455385.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/05d48bf81d1935163d9c87655e1ea265/gikul.pdf
- http://shreyaghoshal.com/konadnew/userfiles/file/ginujubutewu.pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160f38b2ac4b97---rosupugakugetuvate.pdf
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16082897d68267---jibobujad.pdf
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/857f5182131e5df558f35098513487f3/wuliwarijijisozixasan.pdf
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a25a00a19d0---xitusujimusovorovuwuw.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_off0000c6bb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6BB | 16792 bytes |
font_01_sfnt_off0000decd.binae4434fed48e6060b05f95480ed2d49b19d468461f768ec434eda240fc15bc48 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDECD | 17072 bytes |
font_02_sfnt_off00010ad3.bin5451c3fa9835d91ed245ff7859981bbf369eca79b8895d011a505f119f4a5287 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AD3 | 10440 bytes |
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