MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded URLs are consistent with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/146bab8cae0ba54327cfb9dc8fcf9747/rozevajejesotegewebutofer.pdf In PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/8e59f43b86ef83a0702245ead4035817/19952906158.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa7e0e7cd3---kikevaruwumiwepituzatulus.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/e5be3ca50cc734e33059a08118e5755a/31932012865.pdfIn PDF document text
- https://efficientinfocomm.com/ckfinder/userfiles/files/nalipanaviw.pdfIn PDF document text
- http://sluchatka-shop.cz/files/upload/files/47579337003.pdfIn PDF document text
- https://almuhja.ps/ckfinder/userfiles/files/1184843920.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/161219da0c602a---43008771645.pdfIn PDF document text
- https://doanhnghiepvietnam.org/img_duhoc/files/galaxozozumupovono.pdfIn PDF document text
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/cr08inkmgo6t2frqvcsj5kmp0b/dolemagov.pdfIn PDF document text
- http://albatrossmrn.com/konadnew/userfiles/file/98898145549.pdfIn PDF document text
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/f85f07311ca843c06d1018a8825d65ab/93178542056.pdfIn PDF document text
- http://worldnaturalfood.com/image/upload/File/98400778789.pdfIn PDF document text
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16094839b12013---rigabajasopivedovinu.pdfIn PDF document text
- http://zhodnoceni-penez.cz/is/images/FCKeditor/File/64049640180.pdfIn PDF document text
- http://heydarbaba.org/resimler/files/44177639123.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/d886e7e7671a364c1f709079fbe30044/74527483264.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/4nsqka4vv0tf19ganptvi3s47j/zutodimofezuxefilafas.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/7ec8ee3b4aff805062cea48d60dfabb6/fibugipoma.pdfIn PDF document text
- http://ridendo.cz/files/file/3796527022.pdfIn PDF document text
- https://mannerfeltdesignteam.se/ckfinder/userfiles/files/tebetirujitamovasuforulov.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094aff94a97b---94108122615.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c52d9b88b34---puxuzubumusapurado.pdfIn PDF document text
- http://thetsaban3watnuea.com/UserFiles/file/malisizisovumizixazojizuf.pdfIn PDF document text
- https://taucaotoccatba.vn/images/news/files/10707334529.pdfIn PDF document text
- http://alumnicollegedelunion.org/clients/76066/File/44171626950.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=4+quadrant+grid+paper+pdfPDF link annotation
- 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_off0000dd82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD82 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f594.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF594 | 17052 bytes |
SHA-256: a29a669cae94aaf7278d09950801be91a8e1dd9afa3fcfcc7a060ada0b284f4a |
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font_02_sfnt_off00012161.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12161 | 10564 bytes |
SHA-256: 4e16298621d7c7234414fdc46e47d5a4a0b6679ec9652674a1cdd989cf1b5b63 |
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