MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to compromised WordPress upload directories. These links likely serve to redirect users to malicious content or phishing sites, a common tactic for initial compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/842n2p2m8dbe2q10kchud2b901/zimurafaf.pdf In PDF document text
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/g38m3k3gdgfammq1633d75fvcj/63279598878.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/b988553b5b02d3d1c6e3ae4da93affe3/54454113776.pdfIn PDF document text
- https://euroroma-bg.org/files/file/zurososozobadazobujeg.pdfIn PDF document text
- https://hostessima.pl/userfiles/file/vodafazupexataja.pdfIn PDF document text
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/97468320e8e188a6c9fa7a68f8f31f5e/rivawopasufuxixuwemom.pdfIn PDF document text
- https://salvatoredivilio.it/userfiles/file/puzopawurenezozopezovaz.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/5ce5c04c0858514f4e1d207787f160d6/80837352204.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/ef780c8cd8f5b480a581aafd1a15469f/zamoveriposebef.pdfIn PDF document text
- http://hotelclinton.it/userfiles/files/45199415992.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d35c51a9a---1717122400.pdfIn PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d83b8abcefc---dubomal.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e1948f133---gulitibok.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/irgvsioqoq0c9g99p35vs1f096/4277451332.pdfIn PDF document text
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/67tev6n53q2ud6u5g6fqe8kn7s/nozexaxut.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160894e2082305---9801356975.pdfIn PDF document text
- https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/mk97ulqkpi5ur1l6215iq8v88f/fajopibabe.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c64bc552513---19912879180.pdfIn PDF document text
- http://pcmcpropertyblog.com/wp-content/plugins/super-forms/uploads/php/files/0ff511cfdc358a359a96584705333a55/83058956661.pdfIn PDF document text
- https://elmaga.lt/components/com_mijoshop/opencart/image/data/files/83943908779.pdfIn PDF document text
- https://hanomanberjaya.com/contents//files/rixebedigosazuwib.pdfIn PDF document text
- http://xn--or3bi2da319p.com/upload/fckeditor/file/62749942206.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/99ee39b06ffd2942273446ba98abc34c/118172693.pdfIn PDF document text
- http://fotografoenricogiampieri.it/userfiles/files/339248017.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/cf9410384a47112f7c066ed80aa4d827/fozilogegozi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=deliverables+for+the+project+arePDF 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_off0000e5cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5CB | 16880 bytes |
SHA-256: 1e15c099b0f8edfd7d8dd6863e5cb6b0c08a752696a675bfb7b5ff03b1bf031a |
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font_01_sfnt_off000111a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111A0 | 10812 bytes |
SHA-256: 420d2ab6c03e4039befdfbe2cfeb97a6aaa8c091feb2f244d4005fbf8d4273d9 |
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font_02_sfnt_off00012a7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A7F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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