MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://gorisum.net/fckeditor/upload_file/file/mebifubaxezuwuf.pdf In PDF document text
- https://otelnamore.com/wp-content/plugins/super-forms/uploads/php/files/990c5b7e7c5eb30d6eb770072e6f4c22/bifovodaropusokagorukef.pdfIn PDF document text
- https://stvorki.ru/files/file/20345435088.pdfIn PDF document text
- https://ajitcoatings.com/uploads/kemetexebaxuwisolovowoz.pdfIn PDF document text
- https://people11people.com/uploads/File/85182480138.pdfIn PDF document text
- https://trexanh.net/upload/files/5780894495.pdfIn PDF document text
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/97f6ac4f99efb95eab5b8981cb585b8c/88936126414.pdfIn PDF document text
- http://0-50.ru/userfiles/file/zesumipuluzaxum.pdfIn PDF document text
- http://www.smartlandgroup.com//ckfinder/userfiles/files/23424742093.pdfIn PDF document text
- http://5lovestartw.com/CKEdit/upload/files/sifejomulixupasakag.pdfIn PDF document text
- https://0a3exp.com/upfiles/editor/files/resibosawiputepoz.pdfIn PDF document text
- http://clubmaniacr.com/campannas/file/totimidetawaxoxas.pdfIn PDF document text
- http://saigondome.com/uploads/userfiles/file/bixopowidaduvedewekes.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/17f9455e141882fa1c884713cdc97414/45637744768.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608297e7077d6---37808760247.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f19d8629e---14721432270.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/hbv9led8e59s6hd7g70tt77533/zomawenazazok.pdfIn PDF document text
- http://terralis.eu/catalogue_dynamique/file/ninepudepumilezibez.pdfIn PDF document text
- https://3drm.bg/uploads/pictures/files/70495182998.pdfIn PDF document text
- http://osc-pribor.ru/products_pictures/file/52748890465.pdfIn PDF document text
- https://amatnieks.com/pictures/image/vixuxafukewagenu.pdfIn PDF document text
- https://cornerstonelaw.eu/userfiles//file/78641335798.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=vegan+ice+cream+recipes+pdfPDF 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_off0000dc82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC82 | 18540 bytes |
SHA-256: 613dd073232978ce0e662f0139c2c5e6ad8bbafe24aa1a35045b8387661f7ce5 |
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font_01_sfnt_off00010c8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C8B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000124a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124A2 | 10668 bytes |
SHA-256: 4c0f9553395241bed6bd6cb92360bb73b9cc59e947a172d2e770101c559f5d36 |
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