MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm hosted on disposable or compromised domains, suggesting a phishing or malware distribution lure. Although no scripts were explicitly extracted, the PDF structure and embedded URLs point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/d2ec82232d29319e08a6cfc32737a1a0/xijizodopewu.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614223b9d11e0---75464614963.pdf
- https://directorvincentchow.com/fck_filemanager_upload/file/juxokarupetudomotatokuram.pdf
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/60cf33b707039d873bc1c5cb1e969406/36267666248.pdf
- http://customize.fr/fckeditor/editor/filemanager/connectors/php/img/Editor/file/pekofujevezerogizofep.pdf
- http://ciccioinpentola.com/userfiles/files/gubebedijofazemalesuwire.pdf
- https://pharmnet.cz/ckfiles/files/files/38994143274.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388cb81fb89---55829906877.pdf
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/fe87b5af8eae36991d7f5e0d9e3e1616/podojelo.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613b620b838dc---2542743338.pdf
- http://paykaaluminiya.ru/ckfinder/userfiles/files/84751890415.pdf
- http://flashdisplay.net/UploadFiles/FCKeditor/20210919031148.pdf
- http://hanilkwanla.com/uploads/files/81644159347.pdf
- https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/49346726283.pdf
- http://biaikatolikus.hu/files/file/gejitutuxawexetilos.pdf
- https://samowar.ch/upload/file/wataf.pdf
- http://cncforginghammer.com/d/files/vagij.pdf
- http://susasoft.com/upload/userfiles/files/32859401546.pdf
- https://niboparis.com/upload/fckeditor/files/71563074437.pdf
- http://kco.su/userfiles/file/rovozosisalawazawezezaw.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161431cc48d513---56021430870.pdf
- http://oreoltour.ru/sites/default/files/file/nakuwadujo.pdf
- https://vmwarts.com/ecovic/file/6355655646.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614807026f7e6---viwexijuzod.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=ghd+sport+tv+download
- 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_off0000cdb4.binc5a91dfd00e3c91219ca17ab2f9b4a27252bbfe5443403e59010f06350a62e20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDB4 | 10456 bytes |
font_01_sfnt_off0000e573.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE573 | 16792 bytes |
font_02_sfnt_off0000fd85.binf9d94b4e897d87e633aee4d42076769880fa3965dc242c75e027b8c6c608e66b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD85 | 17012 bytes |
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