MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It functions as a link farm, directing users to numerous compromised WordPress upload locations and disposable hosting sites. The primary goal appears to be directing users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://deborahkay.com/ckfinder/userfiles/files/vanarowefenimubotad.pdf
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088e9f8a9e81---gaxotezimopefebipamomuvot.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee7ab49a23---14058256507.pdf
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160adaf08d7ec3---84066540359.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16072ab7bb461f---pojur.pdf
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a8ef45743---88685225351.pdf
- https://capecoralliving.com/media/file/23100957895.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/d4c9977731d420616a09b0a2480b3a7f/lagalepajusilepazikosa.pdf
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/vba4pidql8vv0iirb7ugque57c/55870197418.pdf
- https://emauto.lv/index/images/up/file/39203250815.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/118d50fa9f54deeabdb7b19dad9c33f0/xoligel.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df5e54483f9---dimoxovavamowiko.pdf
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/f04fe9c795c459e264ae1de06ccb488d/faxufetinutexog.pdf
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa40d3b6e86---30926652899.pdf
- http://dioceseofniranam.org/userfiles/file/43319390509.pdf
- http://naturalmis.com/userfiles/file/zugogawa.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/olqh3lba5n0jbfsvfmurjr2dqs/joredeb.pdf
- http://ballstonfamilymedicine.com/clients/861402/File/71643355415.pdf
- https://stollerco.com/testingsites/advantage_aviation/assets/media/file/kimutagamazasilego.pdf
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef86bcca48---koxiwigogozumomi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=express+your+answer+using+two+significant+figures
- 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_off00011408.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11408 | 16792 bytes |
font_01_sfnt_off00012c1f.binf6416f51b7a2c79546282ce8523edc0e760f76d2a67c4885ea7e04a65097d01c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C1F | 10992 bytes |
font_02_sfnt_off000145f1.bin5ea0196ce4ddd445c1034ce081aeefb4953c4dac485a0d82d29def4f54272ec2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145F1 | 18152 bytes |
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