MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, presenting numerous URLs that lead to various websites, some of which are hosted on compromised WordPress upload directories. This suggests a phishing or redirection scheme designed to lead users to potentially harmful content.
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 http://pincailight.com/zk/UploadFile/file/2021061804334073499.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd615057b4---81193267117.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607a692626627---92467394617.pdf
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094bd1f73026---zusurasapumas.pdf
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/s82p434jgtg2dudgtngfe5dbg1/xojakuweteg.pdf
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/832fbd56fa2190aa95467cd7187ca3e7/25605385459.pdf
- http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/34659725761.pdf
- http://tremonttemplemacon.com/clients/862779/File/83546070986.pdf
- http://kaizenlife.com/ckfinder/userfiles/files/jimetorituvixem.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/064452d463a323c07aa6023308ea0581/gelidisozu.pdf
- http://curry-box-deluxe.de/userfiles/file/14619408781.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/954611df80b9df8ae63ca7bbfe97c5a1/fejobadavogisanojidubo.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/444b2efda0d856a77979c353f927e895/82052338437.pdf
- https://kontiko.com/ktkweb3/images/upload/files/86911793224.pdf
- http://allamericannursing.com/userfiles/file/vatusonezufawosopofexa.pdf
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081f06b20900---duzasobup.pdf
- http://yjsyrj.com/userfiles/file/zifibozimunenazub.pdf
- http://teplospectr.ru/images/files/57690564344.pdf
- http://kondicionery-lubertsy.ru/upload_picture/file/78401567486.pdf
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/66a65a05857f853f4b8e8e4ac4215554/46777913530.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160755dbc3be5a---jarejilazifojaxogavibob.pdf
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/4185s0m1k9ihmb1froh54p3eoa/jejurufebemovufipu.pdf
- http://alisawedding.com/upload/users/files/dizedu.pdf
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/c9745ac8647f9e77e4c963de39b73791/65640989148.pdf
- http://bogelaipigeon.com/upload/file/64662156820.pdf
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160afe65cd438f---levesibamipumumabubir.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=wrong+turn+3+dual+audio+download
- 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_off0000de61.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE61 | 16792 bytes |
font_01_sfnt_off0000f678.binb583ca4bcbb8a4a234c9772cbfa8f5b0d7511c517fd9acd293d166a337f26a71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF678 | 10472 bytes |
font_02_sfnt_off00010e32.bincbf48340eef98506c4cd483d81899009c6a0d6dde101bcad427907caef89436b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E32 | 16764 bytes |
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