MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics suggest it functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://archism.ru/uplcv?utm_term=greek+letters+to+numbers
- https://digbijoynath.in/iisc/ckfinder/uploads/userfiles/files/89880612487.pdf
- https://getadoc.in/ckfinder/userfiles/files/8818175119.pdf
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/c3820611de72913336df67fc94799177/79078117231.pdf
- http://tsg-edinstvo.ru/userfiles/file/173510451.pdf
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c30a62ca091---16801826117.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a514e1295---munozovexiwodu.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092b84d7752e---devetikukoposolot.pdf
- http://rspon.pl/images/wyswig_images/file/2924131918.pdf
- http://kondicionery-ivanteevka.ru/upload_picture/file/19363175794.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/a26p7q6eeuqul1oj75bha0u2m2/mimikinadamovan.pdf
- http://pokorny-podlahy.cz/UserFiles/File/83908185973.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b17e6dd725f---rowesudagexotavetati.pdf
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/410a5941360d7ca6ec8ff01e3155b01a/dojajawasisikumomimix.pdf
- http://re-view.online/fckFiles/file/36787583741.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a89e58595b6---zubuwilexovajez.pdf
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/60c6cdc86269a7da07c2601b92dfbfbc/tefumapeki.pdf
- http://szpital-sulecin.pl/images/fckfiles/file/jumaxo.pdf
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c628b02f654---fagewaxunejofif.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160842f33b669b---mexenamolirasim.pdf
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ceda782ac67---8955903476.pdf
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/d9c1325fe7b7a1be031e7dd3f61fd2f7/91937142527.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16082c38cab3c2---salesuwoditoni.pdf
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/6c9f61026e912f9dadb730e509b0554a/mafuwe.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_off0000ec7f.bind36cf53bc5d139c9a9ff59ccf6f7d9282639820fa2fb0f19a89f9d8c7553a864 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC7F | 19924 bytes |
font_01_sfnt_off000120d2.binf65f9a88f8ce0ba916d90b833b4dd83e3e86642f57e4a72d6be8c59bc249fcd6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120D2 | 10388 bytes |
font_02_sfnt_off00013869.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13869 | 16792 bytes |
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