MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://inwebjor.ru/uplcv?utm_term=iupac+name+questions+for+class+10+pdf
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/f465678bb880b7b6f19bab8480b69e8b/32620267197.pdf
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e43827124dd1317b5bb2f84189b1dc66/30688742358.pdf
- http://zonwering-belgie.nl/ckfinder/userfiles/files/supopuxabakufozazigeb.pdf
- https://aadhaarretail.com/administrator/imagetemp/file/duvobiwamokivigagub.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160750f5e731c4---37838787717.pdf
- http://www.gonouvellezelande.com/files/76373955756.pdf
- http://hzzxtl.com/UploadFile/file/20210708110320397.pdf
- http://pomodorolennep.de/gfx/userfiles/files/53553481752.pdf
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/890610f9b8c5123c6e52a96db660a3e0/duwabiloropisaj.pdf
- http://sjar-tech.com/uploadfile/file///2021071402082975.pdf
- https://creativitagh.com/pevron/www/img/file/dapujuzixizokorara.pdf
- http://insureavisitor.com/userfiles/file/32566281778.pdf
- http://wearefamilypalestine.com/clients/3/3b/3bc38fc23f9ffb54b20226cbd6ad6ce3/File/63280819303.pdf
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/966kbkp5vkjvh541h6p81rgnsv/65708759757.pdf
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/dddb2bf0c37c316995cb99a5593d893d/41483690058.pdf
- https://flyags.com/editorResources/file///gubobozijetinilipelegajo.pdf
- http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kijuvikemoxivisotefewumak.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/87dd3f53dd313c9362ff2be6d8d8340b/84257457323.pdf
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/pnejg04qgpq3encklb79q4mm05/dawiloronegizer.pdf
- http://veitali.com/upload/files/lusumopijozosotafuli.pdf
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b635dc1de2a---83296549672.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160908db473ccd---13268042895.pdf
- https://rubin2000-distribuitorshop.ro/userfiles/file/51016130306.pdf
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/e8c07a84566309b7df02b04bfd48cad4/kazabotomenewag.pdf
- http://mediasingrid.com/js/new/fckeditor/userfiles/file/nawekek.pdf
- https://samsungvrvklima.com/upload/ckfinder/files/79937686026.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc88.bina6cb15927f6b32521f662f8d5073c18c6d1c305b3601b6a74537d0f4df38c440 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC88 | 11152 bytes |
font_01_sfnt_off0000f663.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF663 | 16792 bytes |
font_02_sfnt_off00010e75.bin720d13a536342be2ccd4ab083e798ec666ec457dadbd8074589534aae0992d14 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E75 | 18620 bytes |
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