MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to distribute malicious content or phish users. The presence of external URIs and link farms indicates an attempt to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://peak-experience-japan.com/2054238010.pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160703033b64c1---44767386380.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082adeebe316---56139776457.pdf
- http://krukewittfarms.com/userfiles/file/7384388572.pdf
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/q0nl1sa8av2oa0qpo90vi4bqra/62163066047.pdf
- https://btegypt.com/file/lopapisejigekibedatakatu.pdf
- https://alternativecarrepair.com/userfiles/file/zakiponet.pdf
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/c596deb0adm924leb7tpm66il5/fotomijelasiwobenixav.pdf
- http://www.siposferenc.hu/html/lupowuvexa.pdf
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160924a1b84686---vutokikileruwosumopok.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d8ea5591e36---17911499970.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/2a1cf44ca84b96752676fe2aedb2fce3/panavududemu.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b262114cb43---13825600620.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af927857686---zajopiminojal.pdf
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607731d44cc5a---24687227717.pdf
- http://blankheich.de/images/uploads/file/sobogikuluxodamizazutuso.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/023f5ba64a747364ea13b8452118be44/29381104565.pdf
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e9755d2b78c---44173206379.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfcbdf64cfe---fekipedifikawifas.pdf
- http://pospatrans.cz/UserFiles/File/71925911997.pdf
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/9ca2b7c19db0156cb48920fca10ae997/48353529016.pdf
- https://asharfilalkulfi.com/ckfinder/userfiles/files/rojajenolilobij.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/63up6hfcel2mqfkohmgk891h7e/14523787280.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+change+blades+on+victa+ride+on+mower
- 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_off0000ebbc.bin7cc24bd46d7a027c112c33520bbff0b415fda3017489840b89b15e38fd6e3001 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBBC | 11100 bytes |
font_01_sfnt_off0001053d.bin50aa6ccf33333609c9417488eefc21933f8eabd41f9e8f60a79b343773524d93 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1053D | 17140 bytes |
font_02_sfnt_off000131d5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131D5 | 16792 bytes |
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