MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a link farm pointing to numerous PDF files hosted on compromised websites, suggesting a phishing or SEO poisoning campaign. The embedded URLs are likely used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160bea3151a213---gaxagekuk.pdf
- http://dynamic1984.com/user_file/file/bevumojumi.pdf
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/33857078594968792c48ab7159a2b217/guziburexinevamuni.pdf
- http://bukharageorgia.com/sites/default/files/file/6181284761.pdf
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/95dbca1913c0631f47d499171ca4c0dd/82843751202.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/12cff98e7e60861b9d840eb108dcd208/59330619204.pdf
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160a145b8e0b4f---zojasaravuzonokaxotolu.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a4baac11a5---jaxuzixezizumugu.pdf
- https://branchennachweis.eu/userfiles/file/87654468921.pdf
- http://adabaskimerkezi.com/upload/file/tovibefewamozifor.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16090b5cb2e0da---34245943564.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/be3ca7752a7fbd79309d1526713a7a9d/navuramotagivoviwigaz.pdf
- http://22743333.com/userfiles/files/42175061068.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/667abc4794e2ea351c147ed6d8acdeac/99652606712.pdf
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9fd28b804---441299323.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160837880bdd9b---1396451685.pdf
- http://akicgiyim.com/userfiles/file/40408799007.pdf
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/16074c46012860---19544682912.pdf
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1609bdcf1bb958---polezasodovojazeji.pdf
- http://clair-environnement.eu/catalogue_dynamique/file/93306177588.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca7348c116---sofapijegibapevataj.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af80aa467d8---kosepa.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16098a3bba0972---39612210414.pdf
- https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/f3ed42f75353f11ba65f5ad1426aea46/37098778318.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=process+costing+calculation
- 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_off0000c5d6.bin9aab2704fb25ab24a6eed09d7341500350be4a55f7556fde5a6c785d46e36f61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5D6 | 16224 bytes |
font_01_sfnt_off0000eff1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF1 | 16792 bytes |
font_02_sfnt_off00010808.bin393b0a90f55217674956f7a8892a5a468bdb62422b658ac2708c3a9b9ef86143 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10808 | 10504 bytes |
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