MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier with high confidence. Heuristics indicate it functions as a link farm, with numerous external URIs pointing to compromised CMS upload directories. These links likely serve as lures for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6e8fbcbe78---vajavajiviwi.pdf In PDF document text
- http://www.trafikyaren.com/wp-content/plugins/super-forms/uploads/php/files/vl6o5cseetlanapsdrhpc2pi23/51610051986.pdfIn PDF document text
- http://firegallery.ru/img/upload/sasigub.pdfIn PDF document text
- https://cosplay-expo.it/ckfinder/userfiles/files/25452182789.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/16094587b3269e---75384176064.pdfIn PDF document text
- http://nrnchina.com/test/images/ckfinder/files/tidewilibogalo.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9fd3e2599---56842200272.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/e2b6ec73a3f63ee0283d7ab8c3de3108/30785030594.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/7757ae94ec9f827eb4c15a37931f3e30/59438526102.pdfIn PDF document text
- https://djennebeads.com/nbloom/fckuploads/file/21014309616.pdfIn PDF document text
- https://nffcd.org/userfiles/files/30093591483.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/16m6qpsivo52h6om11rfumog4c/xigunodamebujemipolazezu.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/30940cf19f62cde9dc64056a1ad09a51/8518968188.pdfIn PDF document text
- http://parcroyale.hk/userfiles/xavalesul.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081f9909bc49---vowurokujebekalone.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609861cf2cdeb---9061943365.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac03f6c033---mewexekowotivawevutakopi.pdfIn PDF document text
- http://kadh.kr/bobod/upload/file/xanupusus.pdfIn PDF document text
- https://kund-in.com/userfiles/file/fojixin.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/2a4f96a9ea859627b8d3136aad5a5914/toporovaxitegijamu.pdfIn PDF document text
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/aa26756bbc1d917d90ddb3e8f1c9f3a0/tatagamowelafarese.pdfIn PDF document text
- http://sk-uralstroy.ru/uploads/files/57525040493.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608749d3c506b---wegobesodep.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-2/20210502092606605742.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9a3496305---giruxekisujebox.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=in+text+citation+and+reference+citationPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In 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_off0000ed37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED37 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001054e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1054E | 10308 bytes |
SHA-256: 08b0dc0c46a68c91e3bd1823a0566b30d8ba60beb8c279fb5f794ff28d284d9a |
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font_02_sfnt_off00011cae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CAE | 17360 bytes |
SHA-256: 8d5dae416daaf67347dadf969aa4945a27bc0ac9aca2e52d2272d1a5977da283 |
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