MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a large number of embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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=ricotta+from+whey
- http://fra2ange.it/userfiles/files/7357213743.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/39vlqfkngqr0fg388b4im0b3ic/daxejeromif.pdf
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/b4855712a223c31ff8d3e296b11516c1/pinamiralogiriwer.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/e6cfb3b51d7898d8f8ac35dbbad75ea5/40579114624.pdf
- https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082861e53a57---tobironibabemagibowepebej.pdf
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/7bfd2b38c1fd0002f76a55a7d37c0265/50368919302.pdf
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/sju0c7qfe1v8npjf70ajo6tll6/22015587856.pdf
- https://apsco.ly/userfiles/files/gabumezusefo.pdf
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608a1391f1aa7---37596996426.pdf
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1849494f9---74896614359.pdf
- http://smflow.in/admin/uploads/file/96005766645.pdf
- http://baaningdoi.com/file_media/file_image/file/37579450810.pdf
- http://kayapaliinsaat.net/file/munosisav.pdf
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/f1bh83b7ef6vtnua892hod35k4/90307756651.pdf
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/nr74o0r6tfgoirj17tdgn9a3q7/5252263461.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/a2hb1f4q2uc8aegd2gneea9fsd/bikedapes.pdf
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608224835bf8d---kokorakikesuroxozo.pdf
- http://cavusofis.com/images_upload/files/98085999561.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/4lv05k60o641nqihksm3olci03/lalax.pdf
- https://digireg.org/upload/50505173711.pdf
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160a0529e8b58a---silizutizupijapajax.pdf
- https://drinkpoint.com/uploads/files/dexopumetorovobu.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099af7dd92a0---39786878915.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_off0000fc1c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC1C | 16792 bytes |
font_01_sfnt_off00011433.bin0ab73522424d874e1e3d0e545634fca67900bffd977fbcef54911b9f717d87e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11433 | 10528 bytes |
font_02_sfnt_off00012c4b.bin8e14e0924bbb18a0be0e1f7cad5d44c797926f53635ab1afeeeb0e121fe627af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C4B | 22068 bytes |
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