MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, exhibiting characteristics of a social engineering attack (ClickFix). The document likely aims to deceive the user into executing a command, potentially to download and run a secondary payload. Numerous URLs were found, many pointing to compromised CMS upload directories, suggesting a distribution mechanism for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
Heuristics 7
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bfed86b156a---57800645866.pdf
- http://positiveforce.in/uploads/files/48860653421.pdf
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/a568c72c5a1511046669808363f73ec0/jogugozujatama.pdf
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/ppmgfc1l2hm65pgjri88ar8uju/pusokokisixubekuzinamukad.pdf
- http://akcjonariusz.com/UserFiles/file/dijovoxamifu.pdf
- https://advantagelic.com/singhania/downloads/file/71225371122.pdf
- http://netcentricnj.com/ckfinder/userfiles/files/gogetog.pdf
- https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/a8d44931cbfb6bf93c7ad1062598d2a1/biduwijepakisufuzapiba.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097bdab16b90---nanolaliropunolebaxib.pdf
- https://xn--bren-mgenwil-gcbf.ch/sites/default/files/fck-uploads/file/88105046886.pdf
- http://www.siposferenc.hu/html/58581409286.pdf
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/0d982eecd3e555db1f40a02ed7e0f19e/nelow.pdf
- http://royalwedding.jp/images/blog//file/89817161206.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/088e27349d2095e70a85f9923c3f1794/93633026069.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c25619eccc2---52838574744.pdf
- http://baschin-heizung.com/meineBilderAlbertGrundschule/file/29629838192.pdf
- http://saxons99.com/clients/5/5f/5faa49e4155ddd0d4faf97b0d7aa3dde/File/potapumevoregisod.pdf
- http://ciskmv.com/css/file/51402619886.pdf
- https://milsagliksen.org/upload/ckfinder/files/texojo.pdf
- https://x-software.cz/data/file/kedaxulutizilajimof.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/dmll2246rcpt1vc5pck4o7s140/13482774345.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16082fbfe3aeb2---kizuzu.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f943d5eb9f9---levarabatefiziro.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+chromecast+pictures+to+tv+from+laptop
- 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_off0001128f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1128F | 16792 bytes |
font_01_sfnt_off00012aa6.binb900ad6b0c2893cdfba3a584d16f06be6177da8fbfd83ed34017a245328dd0fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AA6 | 10884 bytes |
font_02_sfnt_off000143dd.bind99a77375c605fc5f769d9b8837f1368ab499b8ef42675fcc08d9e85150eb26b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143DD | 17196 bytes |
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