MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to numerous external websites, many hosted on compromised CMS platforms or disposable domains. The embedded URLs suggest a phishing or malware distribution campaign, aiming to exploit user trust through deceptive links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
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://synerhu.ru/uplcv?utm_term=how+to+send+a+drop+pin+android PDF link annotation
- http://portalinmobiliario24.com/uploades/fckeditorfile/37418881129.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/7b1daef455b102b78b9011b47e45e1b5/nolivuviginopekajuvimeba.pdfIn PDF document text
- https://australiancaravancentre.com.au/application/third_party/ckfinder/userfiles/files/59749712174.pdfIn PDF document text
- https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/fd9a619cfe95c1f0343240e7d5cf0411/20809568101.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/wawodisozesuraxabisu.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16138cfaf33b24---kukekowob.pdfIn PDF document text
- http://www.sname.org.tw/sname/ckfinder/userfiles/files/falutowegazadagen.pdfIn PDF document text
- https://gobelsprofil.com/upload/files/81257510839.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/0e2289a6004488479027f33678df42eb/87285992220.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/d0fda5d582086adbeb98d99988fb90ef/44619431008.pdfIn PDF document text
- http://yugang360.com/upload_fck/file/2021-9-23/20210923125655484831.pdfIn PDF document text
- https://bd-sokolovska.eu/userfiles/file/rijowafin.pdfIn PDF document text
- https://al-wesam.com/userfiles/files/dokanufitofegojipela.pdfIn PDF document text
- http://uleshuzatshop.hu/files/file/7336854333.pdfIn PDF document text
- http://stomerijindex.nl/images/uploads/kawerasemififi.pdfIn PDF document text
- http://ahkjt.com/upfile/file/94124648701.pdfIn PDF document text
- http://secureyun.cn/uploadfile/file///2021092422464039.pdfIn PDF document text
- http://nineslash.com/user_file/file/71036780876.pdfIn PDF document text
- http://urgentcarepb.com/userfiles/file/polowujerup.pdfIn PDF document text
- https://classykitchen.pl/web/uploads/files/91732584481.pdfIn PDF document text
- http://thermogroup.ru/uploads/files/7724074414.pdfIn PDF document text
- https://wanfutemple.urwaydesign.com/data/file/userfiles/files/tuvoxoderevajajosun.pdfIn PDF document text
- https://xn----7sbbg1ddpkdc.xn--j1amh/uploads/files/92514645435.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/papokenajatenajakudu.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/161481df16213d---9401949547.pdfIn PDF document text
- https://keepingscore.org/userfiles/file/15582202904.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b76b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB76B | 10416 bytes |
SHA-256: 49a188eda9f9ed0e94715e44e135b555d6b3db8f0f2de6e4a2b65ff5786fe863 |
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font_01_sfnt_off0000cf25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF25 | 18692 bytes |
SHA-256: 22c3544ff62858cea085d6cd9eef16696775f2e61fc099b7df7762dd1405f882 |
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font_02_sfnt_off0000fe3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE3D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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