MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to potentially compromised websites, suggesting it functions as a link farm or phishing lure. The presence of PDF-specific heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating the document is designed to redirect users to malicious content hosted on compromised or disposable domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9918
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 http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/49280561373.pdf
- https://sayurhijau.com/contents//files/15378270587.pdf
- http://www.fishandcosolicitors.com/uploads/files/zoxaxojesuviwepizurefit.pdf
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160916773c333c---patezoxupoviv.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160da861d17347---lolelitiz.pdf
- https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160819cb65c562---18883783850.pdf
- http://mamam.by/upload/File/file/bawagudunetofunuxa.pdf
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/7nfi6b25hd6621rb4dcq4ookjh/70472245773.pdf
- http://greenplanetnepal.com/userfiles/file/15642360336.pdf
- http://timnhanhonline.vn/upload/files/sedomideret.pdf
- http://lapenya.cat/imgjovesnaves/file/31787542645.pdf
- http://cnokorea.com/userfiles/file/19432791654.pdf
- https://ka-base.no/images_content/file/lifikasesibepen.pdf
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/6fd53f338f08b4c7ebc53d6dd9ddb807/35236887975.pdf
- https://diedacorporation.net/freesiafiles/file/fowelagitat.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc51351a5d---kuxumuwojimulomenuba.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608ffc98c4dfd---1092942405.pdf
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/ouebr346etupjit194ivmhdbc9/dilobutovediw.pdf
- http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/788e9f48c6669fade71ace26544d7511/pogujirajurebavujuka.pdf
- http://mtecommerce.it/public/news/file/dojatidoteborujemesaw.pdf
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/16082b67b8846b---biberifoxelujolekafaxib.pdf
- https://barcelonacentremedic.cat/files/galeria/files/71460031461.pdf
- http://22743333.com/userfiles/files/41210672620.pdf
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/a84e52002c82d1ef7f3258fd396c38e4/towinedo.pdf
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c45de18d17c---bemufowamiwezilasevo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=2.4+solving+multi+step+inequalities+answer+key
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f967.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF967 | 16792 bytes |
font_01_sfnt_off00011179.bind865ea85bbcda9979c977ec2867bdc0571eeafa653ff98e4ce744b7b2506a9ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11179 | 18212 bytes |
font_02_sfnt_off00014219.bin0ccbd1be37dfdcd63f5397b7211870edbbf8d5b5935a507d3103711ee4e7e2d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14219 | 4236 bytes |
font_03_sfnt_off0001522a.bina618a82fcdd7a7a0e02fe5a083caef8b356db24ce208da902e903ae0f76664a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1522A | 11364 bytes |
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