MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of URLs, many of which point to compromised WordPress sites or disposable hosting, forming a link farm. This suggests an attempt to lure users to external sites, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://membermimpi.com/contents/files/lulubo.pdf In PDF document text
- http://hyunbulsa.org/~ewedd2/userfiles/file/lifunizaliranevomid.pdfIn PDF document text
- https://ooobelkom.ru/ckfinder/userfiles/files/xapasasor.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/76822525844.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/4db0ef5bf6aa400d419a5dbd5b1ac8f5/67627796612.pdfIn PDF document text
- https://riolospettacoli.it/filesUploads/file/ruvubupemekun.pdfIn PDF document text
- https://gangnampools.com/contents/files/davusasejumapenafu.pdfIn PDF document text
- http://ahjygjg.com/upload_fck/file/2021-9-8/20210908215308444320.pdfIn PDF document text
- http://gestioniarmatoriali.it/52855980502.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/ec61tkcono580hht16u2n6hiqt/50785944263.pdfIn PDF document text
- http://euhoca.com/js/ckfinder/userfiles/files/zuzegumupomakisukor.pdfIn PDF document text
- http://gma.ge/admin/ckeditor/ckfinder/userfiles/files/34653940866.pdfIn PDF document text
- http://dhalahoredeals.com/survey/userfiles/files/86871880278.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614ace047706c---87877450900.pdfIn PDF document text
- http://millecolori.it/images/file/52056578639.pdfIn PDF document text
- https://pui-vital.ro/msg_media/file/nefuxubonane.pdfIn PDF document text
- http://arohitourandtravels.com/userfiles/file/kulavu.pdfIn PDF document text
- https://coonvalleycc.com/userfiles/file/xokelokezajiwekibo.pdfIn PDF document text
- http://derkwoo.com/upload/editor/files/23481315966.pdfIn PDF document text
- http://xn--tnqz8hz5cb8l.com/upload/files/saxujikasesifap.pdfIn PDF document text
- https://mkontakt.pl/dat/file/rutijidepibinudumalum.pdfIn PDF document text
- http://robwalker.net/fckupload/file/60131953985.pdfIn PDF document text
- http://solar-makernavi.com/ckfinder/userfiles/files/zoniwelulemivafuk.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=grover+podcast+androidPDF 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_off0000d09a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD09A | 18088 bytes |
SHA-256: 9455bf995e1ccd54dafb047a6fde7f4473806590b2e4a3bef9000b92c696d251 |
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font_01_sfnt_off0000ffc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFC7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000117de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117DE | 10564 bytes |
SHA-256: 07ddbd80cc73806d1ecb5caa7947fce3ea139405c6c95f62c32ca11757dbc937 |
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