MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites utilizing the 'super-forms' or 'formcraft' plugins. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as phishing or a trojan. The primary function appears to be acting as a link farm, directing users to potentially malicious content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/a0829b76a97d4e3e2fa9e6e13fefc5ca/pupolaveropadatu.pdf In PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1133e0d94---91796450645.pdfIn PDF document text
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/32168751648.pdfIn PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/0mbb65r6ons0sh6emlng6n0781/25943276266.pdfIn PDF document text
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/f310ef5af9001294379f37e58a91aa30/54088849625.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/37511913900.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/16073f7ca70fa6---jaxosarakejatovilatipor.pdfIn PDF document text
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ab78a7bff6d---96985686010.pdfIn PDF document text
- http://entryexpress.online/chapter_images/files/wefebuvolevovexatadumipu.pdfIn PDF document text
- http://reicar.dk/userfiles/file/39709606047.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/5e17201261b83f538c785784af361902/jigofor.pdfIn PDF document text
- http://alimentosldm.com/userfiles/file/kunabisuxuzaluwepunedila.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5fceadb62---pabojokupilu.pdfIn PDF document text
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b10cb707136---4381511850.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/a85g14l4b87m1sq3192lut1umq/13581393643.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/0f907172047f5d291895f7a6d3a5d83d/modaburafugam.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/1gfdpelng6v4fps4af6du8qfl3/54367756764.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160990fecc192a---51377956310.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=review+of+related+literature+and+conceptual+framework+examplePDF 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_off00014d5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D5F | 17712 bytes |
SHA-256: aa97f846d7b0901e2035d77e19e9f7030e2d43756599c2d8bba779f205db97cf |
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font_01_sfnt_off00017bf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17BF6 | 11104 bytes |
SHA-256: 7945f08bd3817d5c4215d258e65f693ca62a3bd600e6decac8fe07d45724d07c |
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font_02_sfnt_off000195e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x195E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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