MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm used for phishing or malware distribution. The presence of a 'download' button lure further supports this. No scripts were extracted, but the overall structure and link farm behavior are indicative of a phishing or malware delivery campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b2b8f2cd1---51344104087.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c54dcf12df6---13676402265.pdf
- http://mindentudor.hu/userfiles/file/77551280567.pdf
- https://bdsvieclam.com/upload/files/donajaba.pdf
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/6c16237de3e2f6d3d9a4c7df38377a95/safuga.pdf
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609e98e77c6eb---labikerinawapatud.pdf
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a95b2a389---83820017847.pdf
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/13bf1ec92d47c6ef1b9770aee79f66bf/86082382459.pdf
- http://zwickerfoto.hu/_user/file/gasubuzuv.pdf
- http://lagunaapartman.hu/images/user/file/sizamaxoxirajaduz.pdf
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/c1a294d03e6b522e80cf99cb065be223/18499315739.pdf
- https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/a31581e00f4fe26c7d7ab31f00032789/28775695455.pdf
- http://zonwering-nederland.eu/ckfinder/userfiles/files/26544310238.pdf
- http://i-harmonics.com/upload/files/66086555356.pdf
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/5855d18f069f2582b4dc27492982ae21/xajewirulidowez.pdf
- http://ypperfect.com/ckfinder/userfiles/files/ronozaxoxuxosogesot.pdf
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609881c83af9e---sebediwutoteke.pdf
- http://run2endalz.org/clients/2/2b/2b4973775a35d8819257a28a16fdea67/File/wuvage.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160819638b34ec---25656358377.pdf
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/1daafba9dedaaa9253d2ba10178d3959/90051374706.pdf
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/5570b29741cf9d82bdc06d1d9cf8738a/xetigemekebogetikefa.pdf
- http://kperrylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zefazejanufirirakekir.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff59126851---20147571474.pdf
- http://gocreate.termall.pl/upload/fck/file/61069259553.pdf
- https://timjanen.se/anvandarbilder/53/files/9551427743.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=best+voice+changer+app+during+call+free
- 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_off0000f7c1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C1 | 16792 bytes |
font_01_sfnt_off00010fd8.bindd28eec2e98119f81fa6761f7573b2e9eab489387a31b02930498ee9a00844bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FD8 | 11120 bytes |
font_02_sfnt_off00012997.bin6ca517fcb4892d2b84e4a7fc071dd8a155c3e9f3ac74ab61231470614160d8a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12997 | 17180 bytes |
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