MALICIOUS
156
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. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress sites. These links likely serve as a distribution mechanism for further malicious content or phishing attempts, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/06n965puqurge745vh2378ihb0/rezesofejidowusinosewoz.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/b8rqhrl344m2pba0bgo5a056m0/8639803775.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095feff4bbf9---10526615708.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/41bb3664d91a3781b093cc6c5d430002/vujunixitajasadufaxe.pdf
- https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b1e6628cf---maloxigizi.pdf
- http://ongnuocdenhat.com/upload/files/45819126595.pdf
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/2bb70f93d11350683eaa0e96bb1fa427/vunurupuxobadafazixenika.pdf
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/5743c5b8c385071dceec48fedad54bab/62004426830.pdf
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/icnnjpflc7ek9b9opfdhlmt46j/suvalifakofaxomo.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16072e584ee982---45675986085.pdf
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b291cc40559---29371389934.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607036a089d10---30599454086.pdf
- http://benardoutlite.com/admin/fckeditor/fckdata/file/11764711250.pdf
- https://newtech-utm.pl/userfiles/file/biridawomabasu.pdf
- https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/160750a470f33b---5342179946.pdf
- http://www.verneteco.com/ckfinder/userfiles/files/telumewemaforisurevepox.pdf
- https://cambodiaangkorhomestay.com/userfiles/file/kotap.pdf
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/96p3ci6a7bs05h1lkvo5u5clgh/niguxepuverajugozafujodis.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075fd07d1f2a---90411841685.pdf
- https://oddluzanie.net/userfiles/file/51901679640.pdf
- https://harkakotony.hu/UserFiles/file/40856197925.pdf
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16072ae2536317---73259114688.pdf
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/c7c133116038295a13bbd142ab7625b2/34724090263.pdf
- https://nikoljski.com/ckfinder/userfiles/files/90450390673.pdf
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e92e60c720---mupadotuwujeraxa.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=starting+a+conclusion
- 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_off0000e9e8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9E8 | 16792 bytes |
font_01_sfnt_off000101ff.binb4ec8b31819b2ba7d811249f57c07df7e8a68c6f53723c37558360df6271b3a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101FF | 10448 bytes |
font_02_sfnt_off000119c4.bin4a84bc8fb3a4754c52757870b0e0d253e1012f72ecac48c42621bb64edfddada |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119C4 | 16560 bytes |
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