MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as 'Pdf.Phishing.Trojan'. The file contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, suggesting it functions as a link farm to redirect users to malicious sites. The presence of these links indicates an attempt to exploit users through phishing or to deliver further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160abcee01932e---84837735197.pdf
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/0de126476051c8db356bc635a54c14ed/sanizagatinonibuvidasokis.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160811e96511e0---67078285615.pdf
- http://simkoongschool.com/uploads/editer/files/vexuxoxusalabewuzefurinu.pdf
- https://cordovajewelry.com/images/file/nijibizup.pdf
- https://greenfuturevietnam.com/Upload/files/gibizafarapezuwigifasum.pdf
- https://novahealthclinic.ca/userfiles/file/36097249650.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/0c99200229b92cd1c70fb6cdb877549b/vixowatawasurimijimemuxa.pdf
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/ntfbjvlmdql8s38eho7al29ke6/raxotu.pdf
- http://abbwingslynnhaven.com/uploads/files/xegiwadiveke.pdf
- http://abwmountvernon.com/uploads/files/didibenoviwozomolofes.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aea4f6119a1---42979465509.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160e12eac0806a---48279844156.pdf
- http://m4klynchburg.org/clients/3/34/34420611de4c9c7593cf5e5fe12de6df/File/95191592859.pdf
- http://bjsprt.com/uploadfile/file///2021051216241133.pdf
- http://glotecgh.com/upload/editor/file/88548252216.pdf
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160bae298113ea---sebadafo.pdf
- https://bahia-group.com/ckfinder/userfiles/files/rejamito.pdf
- https://clove7.com/userfiles/file/jowixaneri.pdf
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16073b5ef726e6---tunezoluzefo.pdf
- https://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/b994c79da77ca3b0fbb41d60578ebcfe/44108732499.pdf
- http://zaun-produzent.de/userfiles/file/binotobodas.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ddf189473---lunakakolivalesumefewa.pdf
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4252a511d1---65515326427.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=frumious+bandersnatch+meaning
- 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_off0000ee75.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE75 | 16792 bytes |
font_01_sfnt_off00010687.binb9dd85cae1efad48e3a0147b2643702a9e146bfbd9139141d3c5049bf4897808 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10687 | 18160 bytes |
font_02_sfnt_off00013680.bin6601694109ca31bc70b1922c5b4623ecf97a119d3683fba5c6337ca14eab2e63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13680 | 10988 bytes |
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