MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous URLs pointing to compromised WordPress sites and disposable hosting, indicative of a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier flagging strongly suggest a phishing or malware distribution intent. Although no scripts were explicitly extracted, the heuristic firings and URL patterns are sufficient to infer a malicious purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.5205
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://smidgel.ru/uplcv?utm_term=how+to+receive+text+from+iphone+to+android PDF link annotation
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161407e6975225---ziguve.pdfIn PDF document text
- http://raffaelecavazzoni.com/userfiles/files/1276692266.pdfIn PDF document text
- https://tl-systems.hu/files/files/26809465187.pdfIn PDF document text
- http://debten.net/UserFiles/File/60659079109.pdfIn PDF document text
- http://business-plan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/nasaxewopalitetomedex.pdfIn PDF document text
- https://bawaniint.com/ckfinder/userfiles/files/xatewamijaxegufil.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161430d2d800d3---29919468400.pdfIn PDF document text
- http://hzdsbg.cn/uploadfile/1631217667.pdfIn PDF document text
- http://grawerlik.pl/userfiles/file/wupaluzuriwozukovaro.pdfIn PDF document text
- https://rossbeede.com/userfiles/file/reladagomod.pdfIn PDF document text
- https://vidaleve.net/ckfinder/userfiles/files/fixof.pdfIn PDF document text
- http://picart-personal.pl/fckupload/upload/file/65517853925.pdfIn PDF document text
- https://vico-domrep.com/ckfinder/userfiles/files/fedekopekubiwamedujasixo.pdfIn PDF document text
- http://pivotal-technologies.com/userfiles/file/takelewakedurimuzogili.pdfIn PDF document text
- http://levant-tekstil.com/other_files/File/4613693169.pdfIn PDF document text
- https://godahoian.com/app/webroot/upload/files/jovatinuzinitogorudewel.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/161324888d79e3---48022901483.pdfIn PDF document text
- https://szalkasszorutacskok.hu/app/webroot/files/content/files/71360118913.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16133f02e762e7---gapodorovujewozifap.pdfIn PDF document text
- http://palaciodelosnavas.com/userfiles/file/madozamigobotu.pdfIn PDF document text
- http://scoutpate.com/userfiles/file/lepipawusesetewojemira.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A6 | 18056 bytes |
SHA-256: f1d7f02d697ae89b0f61bba319e7675fd28620ebda05b48b7741d4a8cb2daf65 |
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font_01_sfnt_off000116ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116BA | 10916 bytes |
SHA-256: f6655fc1f2d517d01d777506cb8998f281a073374a6931d072af2cd4b11835fc |
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font_02_sfnt_off00012fd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FD5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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