MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm to distribute further malicious content or phishing pages. The presence of embedded JavaScript indicates potential for client-side exploitation or redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9959
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://ketchas.ru/uplcv?utm_term=a+parallel+plate+capacitor+is+made+of+two+dielectric+blocks+in+series
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/6a8032f8d8ff832a2420fddc50fa7c67/75988616837.pdf
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/adb296ebf87d479171470178d1d9d012/21744771605.pdf
- http://agrobud.net/uploaded/file/sugenoxerek.pdf
- http://dinskayarealty.ru/media/file/zadobarabewivarodikub.pdf
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b5e4bba3f2b---mazuvido.pdf
- http://sieuthivatlieuhoanthien.com/upload/files/miwamogagufojiwovod.pdf
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c388b3d2735---puwugepuvotenejomakuvej.pdf
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/c25f42ef2faae53c5764d15fa21dcfa3/77189851897.pdf
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/nanexanuzodujalateloba.pdf
- http://keramann.ru/uploads/files/54733505442.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b8162929cf4---tiriza.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b57364abc0a---18804649337.pdf
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/4fbbfc50cffe4cd207694a599b846009/tokupenugagajuxam.pdf
- https://sfasg.jp/js/ckfinder/userfiles/files/domazabemudoxipaxupusevum.pdf
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b091ef15121---damuletikarudepoduvidi.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b2ddf3298---nefonasulivik.pdf
- https://aadhaarretail.com/administrator/imagetemp/file/pofulaxu.pdf
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9bd894bfeb---xukakesijar.pdf
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/8sb5r4rg194v108gpe7jsm47h7/funedojesoponisanetibu.pdf
- http://cerezolorente.com/files/cerezolorente/_repo/file/62266544152.pdf
- http://norilskgu.ru/userfiles/file/domopamafamofega.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16078c9a9e19ba---pubomuzotitalilot.pdf
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/992da1419b2cca1fe867e91b634ed384/8680023074.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_off0000b92e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB92E | 16792 bytes |
font_01_sfnt_off0000d145.bin57191deb4dea47aa8f7028514f09c2e3110acd6e4c191561cbf1040890f72623 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD145 | 11080 bytes |
font_02_sfnt_off0000eaf4.bin0131ff78da7f8607ad4ce467763b7f4c40269fd36ccbcf7a1091e0ae05f9e3f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAF4 | 15264 bytes |
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