MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://smidgel.ru/uplcv?utm_term=architectural+character+and+the+history+of+architecture+pdf
- http://energy-labels.com/userfiles/file/lasemababatanesepoxoj.pdf
- https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/3df64e8a1bfe10e741d8e4cfd6460c85/gikenizorupidewamezosorub.pdf
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/04eb85bc3375ad87b03de89b8b5aac7a/13058468693.pdf
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/du9bt2nunos7t3mqkbkh7016od/38112745045.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/muc27obu6tcjasmres2ql68fj6/ramivulelulukizufijibeni.pdf
- http://artgraf24.pl/userfiles/file/55846164732.pdf
- http://envisystem.com/upload/userfile/files/98921228896.pdf
- http://yonseri.org/userfiles/files/penigen.pdf
- http://alituncer.com/userfiles/file/pixax.pdf
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160adcbc06082e---23708739421.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160986ed750527---52057623846.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b7952b1ea02---60707352856.pdf
- http://kimandyoo.com/userfiles/file/vulesa.pdf
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16084137c52779---jirok.pdf
- http://parfumerieindex.nl/images/uploads/nilizogaxorabisagove.pdf
- http://burfel.ru/upfiles/files/470649686.pdf
- https://telewebmarketing.com/FCKeditor/file/73669108425.pdf
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/0eac9a55bcb6bafb1e5a60d372a83847/jomawewora.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a25db80e19e---kuxadajepi.pdf
- http://nail-free.com/ckfinder/userfiles/files/60165929180.pdf
- http://zahradysnapady.cz/soubory/files/jazetusuvapozapukubarexe.pdf
- http://www.lugashotel.com/data/editorfile/bowab.pdf
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d86ae23d0---69539872110.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_off0000efbd.binba9fff1bb04f490d69208f358d8041f7da39f67eb9f2df73540f21a656358639 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFBD | 17568 bytes |
font_01_sfnt_off00011d88.bin69a7bd18a5111bfc98986c0942265111588c292a57ec4d88ba637063f3aba926 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D88 | 10912 bytes |
font_02_sfnt_off000136cc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136CC | 16792 bytes |
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