MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous embedded URLs pointing to compromised websites, likely to facilitate phishing attacks or malware downloads. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests these links are designed for SEO manipulation and hosted on disposable infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://allytemp.ru/uplcv?utm_term=recent+alerts+on+my+phone
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16084158c8261a---mubofemajaw.pdf
- http://somsit.com/ckfinder/userfiles/files/43381075007.pdf
- https://appchecar.com/ckfinder/userfiles/files/28490890796.pdf
- https://hgb.se/filer/file/79443899649.pdf
- http://neboskreb-irk.ru/uploads/userfiles/files/79205776004.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cb448f15b91---36891877484.pdf
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/8ij88k2ic6cicuib6k846eih3f/pufilivowibotojorudoxix.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/caf58a63218ce2c140ac085ef10dd5e7/19984817661.pdf
- https://dynasty888.com/image/files/20210602_021309.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d03c43c763a---mufinu.pdf
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c341d094ea8---rotodiv.pdf
- http://yournamebadges.com/withyourdog/cms_uploads/file/47617994231.pdf
- https://electrodomesticaruano.com/images/ckfinder/files/66603977389.pdf
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/f640de4613bcd0aa04b9f082f39e47e9/31727631901.pdf
- http://berkeleyhigh64.com/clients/9/99/99a482d4bd0dc5522cc24ea7f8204a07/File/80290486195.pdf
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2dc8bd8355---vukulawek.pdf
- https://securitydm.com/slicice/file/50030875101.pdf
- https://agrimal.pl/userfiles/file/44320608841.pdf
- http://o2ashop.com/ckfinder/userfiles/files/xiwisawij.pdf
- https://balbok.net/admin/ckfinder/userfiles/files/48720598376.pdf
- http://thankschicken.com/uploads/files/xanakelepewelidowezerawu.pdf
- http://cecev.com/stockages/files/74954520972.pdf
- https://arabacioyunlar.com/calisma2/files/uploads/tagoviwitefedix.pdf
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089df56f260d---kodejesixexe.pdf
- http://afgventuregroup.com/cfiles/file/71158912180.pdf
- https://klcmekatronik.com/ckfinder/userfiles/files/47220316611.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_off0000d112.bin9c2e3191d7b9bc7f77a45acfefee424a2dd7dec0b4f16becb8e72be27b889cde |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD112 | 16832 bytes |
font_01_sfnt_off0000fcc9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCC9 | 16792 bytes |
font_02_sfnt_off000114e0.bin708336e1dc31d7c27dbbde7708056468e9438d133eec1c52338c41ea710ef542 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114E0 | 10708 bytes |
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