MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised WordPress sites or disposable domains, suggesting a phishing or malware distribution lure. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body is unreadable, but the heuristic firings and URL analysis point to a link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
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://cructi.ru/uplcv?utm_term=quotes+about+ignoring+people%27s+opinions PDF link annotation
- http://bfr-bialapodlaska.pl/userfiles/file/4259523955.pdfIn PDF document text
- http://analogsys.com/uploaded/file/159042294660942e597a145.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/2784729119.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/f1a87b8a2a68bc3c091f045bc87623cf/48185179212.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/7najevuh7n3agb211jc9ec2iec/rosupeweduruz.pdfIn PDF document text
- http://edgecs.net/documents/21106154283.pdfIn PDF document text
- http://studiofelician.com/userfiles/files/mezipuvaluwakolilux.pdfIn PDF document text
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/55a90518caec72dc777db6b9eeec7c90/98146335747.pdfIn PDF document text
- http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/70714394937.pdfIn PDF document text
- https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/1c0c4664a27749f55de3ff7692ff3ead/xikubu.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/qnibjlddm56e7ikma0se02uj88/wilajoxugolileg.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16082b451e45b0---56781211897.pdfIn PDF document text
- http://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/tifobokinifepijibewa.pdfIn PDF document text
- http://canvangdientu.com/images/file/85188011060.pdfIn PDF document text
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/nn62s80gb3nhg4ea16f1aq360p/21882124297.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c19c774e491---95025273404.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/44130216139.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/lavupedoduzizebufusejisi.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4bb6a18e5---depufesugewu.pdfIn PDF document text
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/bc0a0b4acc7ebbccec6ccfe7a0a396c3/3467072768.pdfIn PDF document text
- http://dakmoto.cz/obrazky/file/dopuzutedigelavepoz.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5102180d6---49531402096.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160b23b7b34376---65374285905.pdfIn PDF document text
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160925c4b5da7f---18266298445.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f0a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0A3 | 17136 bytes |
SHA-256: f2f57a14f26784426dfe3228752f7a9e7476c5280c5a0e1194ac9e865969337d |
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font_01_sfnt_off00011d26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D26 | 16132 bytes |
SHA-256: eb83fb48a2f60ac59fad768156047f025764cad4052c8f34695a9c8dd2456ad8 |
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font_02_sfnt_off00013297.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13297 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00014aae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14AAE | 10760 bytes |
SHA-256: 5377884eb2f9c8ac25ef83ac9148e13651d752b96ff6fd117b2ce17c4a69165d |
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