MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm used for phishing or malware distribution. The PDF structure and embedded links are consistent with a spearphishing attachment used to redirect victims to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608510c7907d1---notofuvi.pdf
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bed284b30d9---81150350083.pdf
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b74972ca9---kifagefefuzosimowuwu.pdf
- https://nevisnews.com/userfiles/xuseguwexedipebabiriw.pdf
- https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/pk8rq5fie3kal0en68kphqn50m/bujejaf.pdf
- http://bahtiyardishekimi.com/fckfiles/file/47790058945.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609000308b7f5---56294288621.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609691a926ce4---bijuxopisetolulaxajibap.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/2a8e11b13135ff7f5132e12c7d65279f/89467585430.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a7495dd1716---40678601644.pdf
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607afe2be3280---44534381576.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607dca165080f---velixotosodejutekaluku.pdf
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/46af8e04fc82345d93fc6d5f6ed5afd8/balojofitanabelijalo.pdf
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/5f9cb7c5fedb12b869308aeb055d5172/46668613274.pdf
- http://medicaldistri.com/ckfinder_files/files/74810655742.pdf
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16092de4202c36---sikoboribiko.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b4f9a6260---jotimakasugaxa.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/49de391bc85cdfe6a71c8811fc348ffc/savepafux.pdf
- http://cainghienbinhduong.com/uploads/userfiles/file/jurigufimo.pdf
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b10c7baa71a---60738642718.pdf
- http://bazis-expertiza.ru/ckfinder/core/connector/php/files/32246599363.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=shakespeare%27s+romeo+and+juliet+pdf
- 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_off0000f9be.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9BE | 16792 bytes |
font_01_sfnt_off000111d0.bin0cbd445c03e2c6b3b7b1d45abdf408ad6c65e0f1f32dc8c4872f823e11eb83c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111D0 | 16560 bytes |
font_02_sfnt_off00013ccb.bin094411165281093184c219e12cc51e59e993c9e2220cd6333c8b40a119e478c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CCB | 11192 bytes |
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