MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs that likely lead to malicious content or phishing sites. The presence of multiple external URIs and a link farm on disposable hosting suggests an attempt to distribute malware or harvest credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9698
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 https://catamma.ru/uplcv?utm_term=meaning+of+un+in+french
- http://vdadanang.vn/app/webroot/assets/files/wiseretokinuwokureputi.pdf
- http://lab4050.com/upload/editor/file/rezetigenijeka.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608a368b8048f---76834833485.pdf
- https://t2sc.me/userfiles/mugezapew.pdf
- http://dighakanchaninternational.com/FCKeditor/file/xerega.pdf
- http://begemot-rus.com/uploadfiles/file/2021060617451873499.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16098c0cd06db8---wataxofivejapewuw.pdf
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/add32f07b910f3af7f3865f0368c6900/20330536569.pdf
- http://fotofolliasanlazzaro.it/userfiles/files/56926857745.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1af0c6367---rakanapotegexune.pdf
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/dc6c499d863b1095d1a688ce4473dc78/84770637894.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/2m7irmv6pn247t57onr4ca58m0/labexoroxowevag.pdf
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/6da96e1c61ac12fb500335b73b0f7cc3/68973690198.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ad147ab63---37923733227.pdf
- https://universal4shipping.net/userfiles/file/85971212256.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa6799632d---75884162984.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/67hqmn5v8a57jcj889fv8493ae/93534453074.pdf
- http://tai-yang.tw/taiyang/upload/file/41826314603.pdf
- http://aven.su/userfiles/file/85660887919.pdf
- https://stratasphere.online/userfiles/file/sipexajudabolugonegefije.pdf
- http://dinskayarealty.ru/media/file/sigamikaxazenanuva.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ac11ae6ccae---zikuwar.pdf
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/63d17bc704aa2f64a5fb9afda461cb2b/13404051572.pdf
- http://humanitool.ru/userfiles/file/61356543074.pdf
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001153e.binf374be8deb4a92df7c82641d726cdf876a20fcae6afd20ba16c6b4ad525bfa08 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1153E | 16316 bytes |
font_01_sfnt_off00012b8d.bin0eddd780c0b2cfc0d00ddbbad966568b10b5950f341d33ab30cad0ba603abb00 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B8D | 26356 bytes |
font_02_sfnt_off00016a6d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16A6D | 16792 bytes |
font_03_sfnt_off00018284.bin2ad48b3359312bc5c6ce0d0930e9f83b37acd763ee939c71255bf469d17948ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18284 | 10396 bytes |
font_04_sfnt_off000199eb.bin164fc3dda89fdf2e9954639791401acc76fc2ef6a5505de4a0ae2fda8f9baa85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x199EB | 1844 bytes |
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