MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, indicating it functions as a link farm. The ML classifier also strongly indicated maliciousness. The primary purpose appears to be directing users to potentially malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://davidlbrooks.com/clients/868292/File/nadazu.pdf In PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/k9pg7v3rhkqrpi8qhegketev45/tuvakefakabuwiraredezuni.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/l5nqm7iui2igvua43bb0ckl6d6/nadudaluvuxetotogevigose.pdfIn PDF document text
- http://solarhomepage.ch/fckeditor/editor/images/file/fuzozug.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/3bda49642c269169ee3c069141b6cd7e/mejavaf.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/d6e87ohspeg51t21rj0m749qn1/71794256981.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/1990fb3c0ace3dee4b2c0553a711dc8f/45967435866.pdfIn PDF document text
- http://shethof.ch/cgi-bin/dynamisch/file/64171097590.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/af28f32f97605f16808fe732ff2ff5c4/72244440772.pdfIn PDF document text
- http://ketnoikienthuc.com/upload/files/19544959706.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16083e3f927dc3---munit.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/20b68e525bae2cdc5d9e5ca19fd8841f/71796242257.pdfIn PDF document text
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/8c4bf1447c9ad6539996d3217290e5ee/34161520652.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6d63bed8af---27645557235.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16075daa5b163d---43897794074.pdfIn PDF document text
- http://asja-doll.ru/userfiles/file/88373700276.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160dafc67de17b---55168698329.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/0r9o181hcks9cjino8ds5t2eb1/37085328477.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160a7944c3a351---92870461874.pdfIn PDF document text
- https://mangonebike.com/uploads/file/dixot.pdfIn PDF document text
- http://schs1968.com/clients/861610/File/lomamowegevanalezezulun.pdfIn PDF document text
- https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/3c530a733e537167208646f5abdc410a/57311118676.pdfIn PDF document text
- http://saga.diamonds/uploads/ckfinder/files/begowuxivobefigulu.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/50910319482.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=for+we+are+all+one+in+christ+jesusPDF 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_off0000f34c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF34C | 10620 bytes |
SHA-256: b57a0d0bf74ef45e864a0f325d7c34378149011c436de516af96bd382de4008e |
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font_01_sfnt_off00010b80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B80 | 17172 bytes |
SHA-256: 0ab1e3d41199d83acbb7a9fcde07103c95308656c4cc12c88bf568680c01e034 |
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font_02_sfnt_off0001383b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1383B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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