MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links, many of which point to compromised WordPress sites hosting PDF files. This suggests the document is designed to act as a link farm, potentially leading users to phishing or malware distribution sites. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ba958cc6e---wugosuvalara.pdf
- http://liyangah.com/Upload/file/69385168610.pdf
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a4a37fdffd5---pojafenadivuvozezi.pdf
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/49cbfbfab227d6ede123b3006b6cc39f/vufenodezazafovotez.pdf
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/n90teehiivpburrtd3b5fuua9u/bazuvovawej.pdf
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/fps0m6f4o4gv9521h8ghbtrtm4/38167617806.pdf
- http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vevuli.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608075b54658a---xuvagalituxivaxuzixasi.pdf
- https://urbanlivin.lu/userfiles/files/74925448841.pdf
- https://vatlieutaphu.com/upload/files/93969604801.pdf
- http://armanetti.com/images/midenolomafowoxuropavi.pdf
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/1299ccd01e1efb3ffe3b3a57cab0600e/1966824666.pdf
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/ulco7ftbrhsk81u5er3scvjve0/72462776564.pdf
- http://curry-box-deluxe.de/userfiles/file/25864658853.pdf
- http://oxigensupplies.com/shipinc/userfiles/files/zoropabukapi.pdf
- http://wtmongolia.com/materials/file/xokokozuriwerux.pdf
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/38e6fee28a2defa9c9f16d3dea68a24e/45579736950.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16079f4d891276---25577831378.pdf
- http://bfcy88.com/uploads/files/29994991987.pdf
- https://asiquim.com/ckfinder/userfiles/files/21994393885.pdf
- http://clairerolo.com/userfiles/file/muvif.pdf
- http://alnoorcity.com/userfiles/file/nerugifew.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=persuasive+techniques+in+advertising+worksheet+answer+key
- 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_off0000e322.binbd756292c4240cd1c09ed5301383090136736d204ee479a989386f5d738a7e1e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE322 | 11208 bytes |
font_01_sfnt_off0000fcf7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCF7 | 16792 bytes |
font_02_sfnt_off00011509.bina7b733671f452be79a16339220934b43524090bf7104aec98f5ecd278a2cecd8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11509 | 16520 bytes |
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