MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to compromised WordPress upload directories, suggesting it's used to distribute further malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2b4f62f14---rovosimazojavip.pdf In PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/8bf1fdc5d409c67a9cb13b3cc99353ef/79683009526.pdfIn PDF document text
- http://zakuskymoser.cz/www/ckfinder/userfiles/files/68773023680.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af45f173f56---8987023675.pdfIn PDF document text
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/3450d977f2abb3f7586a15a48a0dfdae/52942512713.pdfIn PDF document text
- http://mistralizmiryonetim.com/uploads/file/88074799274.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160862a3feed17---72367484730.pdfIn PDF document text
- https://taybaite.com/userfiles/file/waxamafagud.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/55d7322b9a39b522a5167886ab1d90fd/wogidarewuxiseru.pdfIn PDF document text
- http://studiosantomauro.it/userfiles/files/54044191142.pdfIn PDF document text
- http://robertoantoniz.com/resources/original/file/bisinavipetajoxek.pdfIn PDF document text
- http://m4klynchburg.org/clients/3/34/34420611de4c9c7593cf5e5fe12de6df/File/16853773100.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16129a16788dd3---76864593461.pdfIn PDF document text
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0457451eb9---nevapovizikixuz.pdfIn PDF document text
- http://americasbestmanassas.com/uploads/files/tuxorileruxasurix.pdfIn PDF document text
- http://pajurioverslas.lt/ckfinder/userfiles/files/monadepusapavoz.pdfIn PDF document text
- http://liburnia.pl/userfiles/file/39321695889.pdfIn PDF document text
- https://abofahed.com/userfiles/file/42737614703.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a9d668e9d98---22333448763.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070cb0fcd0ac---lisexojen.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073e6bf8ded7---zasabebuxolikititutekadu.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/198vd200sm8b2045brq0fncsvb/mowiwuguriralug.pdfIn PDF document text
- https://momsgardenfoods.com/ckfinder/userfiles/files/jegibidukezixotik.pdfIn PDF document text
- http://konsultacjenaukowe.eu/Upload/file/vusatoweruzutul.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=1040+schedule+c+form+filled+outPDF 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_off0000e163.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE163 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f97a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF97A | 10732 bytes |
SHA-256: c448d75a3fc5180a44ff64835f4041a7764996f6d7b1a5415a13ad28125dcb6c |
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font_02_sfnt_off00011225.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11225 | 17548 bytes |
SHA-256: 8baf182d2c51834a9905b2f42e6738412fa5dce79312ed978d884f57ab17d7d6 |
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