MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. These links likely serve as a distribution mechanism for phishing or malware, potentially exploiting vulnerabilities within the PDF reader.
Machine Learning
- Nyx PDF Classifier malicious score 0.9938
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.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/970fbaaff8a7a5ae629a611a0c3beabb/sofekibonagibuforuzawo.pdf
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/9a9f4beba47bdd6df4519bf75df9bb61/kujinik.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609aa1fcdeed3---leweloximelukefexagikukes.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1c43e0997---nowibenola.pdf
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/81fdc891b8ce247cc478d697c3fc273c/91385861371.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160d6837118263---mipajepufevoduvumife.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/3ik76ghrpo3nfg9u73kae1knip/46160362370.pdf
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/6401533e9a62ed02a183bc96c5b39310/tumozavakoduwuj.pdf
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606caf37d784e---texarozezenogedagiko.pdf
- https://presentkompaniet.com/img/content/file/6136616726.pdf
- http://chatfieldfarms101.com/userimages/12673024352.pdf
- https://aterhesseg.com/up_image/file/vuputogudidatukuloxefuka.pdf
- http://drapikowski.pl/uploaded/fck_files/file/69926462154.pdf
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/3cf5a66207720d5d66c3563186a35fc1/zupipofor.pdf
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/avhp9ljc5jlgegnri0o3gq578u/87086744391.pdf
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/h11c3ut19q4bksbshorlkucid7/33164930115.pdf
- https://alexandrapanayotou.com/web/images/static/file/guzozavovefarilafate.pdf
- http://villa-carlshorst.de/sites/default/files/file/17646617825.pdf
- https://ludifrance.fr/userfiles/file/56211851859.pdf
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/669849f3510f44c871d6479c7040a0bb/2807037225.pdf
- http://cokhibaosang.com/media/ftp/file/68193057371.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a20be5310a3---mowelal.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160877e150cfc3---faxowurekuvajekedoxodapim.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=esterification+of+glycerol+and+three+palmitic+acids
- 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_off00012523.bin64c214146f06ed84f3c4c17035778d9a2b2a8ebba72f6e3f3a73aa32eab31272 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12523 | 11164 bytes |
font_01_sfnt_off00013ed8.bin1b7484deb9bc10ebb7e2413dd3d054e46d775146ed9dd5caa7f2e5fb907bdbd2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13ED8 | 18948 bytes |
font_02_sfnt_off0001709d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1709D | 16792 bytes |
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