MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many of which point to websites that appear to be compromised or use disposable hosting, characteristic of a link farm used for phishing or distributing further malware. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://cometsecurity.in/admin/userfiles/file/50323881286.pdf In PDF document text
- http://winecellarkeeper.com/ckfinder/userfiles/files/donupugapuzutu.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ab26fe24a4d---rurasijoxunetuzot.pdfIn PDF document text
- http://foodchemsino.com/d/files/ruvalenejiwi.pdfIn PDF document text
- http://czechnews.cz/userfiles/files/besoxepemodosiwamiwubareg.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160997aa8a540a---xutowowufiv.pdfIn PDF document text
- http://escalierdurire.fr/ckfinder/userfiles/files/tatetobevekibuxetitere.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/ae9ea6b6082fbb17159eb76c5a91590f/83066759306.pdfIn PDF document text
- http://ghrnightinwhite.com/clients/7/72/721f26fb9237119891afe8d29dbdfc29/File/riweme.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094d75447dfd---81838478862.pdfIn PDF document text
- https://iwistw.com/upload/files/vopomesivotajaxipufu.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ad51e90cf---vuzed.pdfIn PDF document text
- http://alnadaoil.com/userfiles/file/52013553168.pdfIn PDF document text
- http://dieta-plus.pl/userfiles/file/kogaxizusin.pdfIn PDF document text
- http://phukhoabacninh.com/images/files/6764456187.pdfIn PDF document text
- http://myphamasia.net/upload/files/23536940305.pdfIn PDF document text
- http://www.urbanwaterways.info/files/8395277534.pdfIn PDF document text
- http://urjabatteries.in/userfiles/file/reteto.pdfIn PDF document text
- http://hongdanhaudio.com/luutru/files/mupujijefikisobidizo.pdfIn PDF document text
- https://clumba-indoor.ru/files/files/rizezodaza.pdfIn PDF document text
- http://5percent-design-action.com/upload/users/files/fopujanuxitupevo.pdfIn PDF document text
- http://mygrind.ie/userfiles/file/34998339466.pdfIn PDF document text
- http://king-pro.com/userfiles/files/fogisurexoje.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=codigo+civil+suizo+en+espa%C3%B1ol+pdfPDF 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_off00011356.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11356 | 19632 bytes |
SHA-256: 0d3c3c0037b2bee08ae0fc881b3b58d7d2029d094793b6e19f883577d080f83c |
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font_01_sfnt_off0001454d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1454D | 11060 bytes |
SHA-256: a5a2868b2fb8740910c158ffee1cf93a51c601439bbebce8a358b17824f74cdf |
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font_02_sfnt_off00015ecb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15ECB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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