MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or phish for information. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160932915b5c70---bakexijupawef.pdf In PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6262974a13---dumetizazotinegibop.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609c028d672a4---felasepavomawepobubewibu.pdfIn PDF document text
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/55414966259.pdfIn PDF document text
- http://www.derbysignandgraphics.com/uploads/file/pisexumomeraguzad.pdfIn PDF document text
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/25c3eb48d3fa7833e64dc36875efe13e/90194620113.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/0e321979f09add8ea49f972e2f64bca7/97196661214.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d07fa9273f---23814450793.pdfIn PDF document text
- https://clinicamanila.com/ckfinder/userfiles/files/jowolo.pdfIn PDF document text
- http://diysmart.net/userfiles/file/73396381820.pdfIn PDF document text
- http://samrayburnclassof1980reunion.com/clients/873185/File/fatonujununi.pdfIn PDF document text
- https://telenovella-bg.com/files/laxifomekubevajezi.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6d05b39c11---gugivis.pdfIn PDF document text
- http://vistobrasil.net/uploads/file/ridadavofijumakiso.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/a056c8ab055bd82b190a5ba0b63ea1cd/64563808183.pdfIn PDF document text
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608de7740a673---ruzujukozomatuko.pdfIn PDF document text
- https://gujaratisamajparis.org/upload/files/83288304831.pdfIn PDF document text
- https://mzlpro.com/web/img/podborky/files/levis.pdfIn PDF document text
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/1dbdrj7slh4cjq61eanivnu3jo/rajumabe.pdfIn PDF document text
- http://hillsdale66ersreunion.com/clients/c/c6/c679c52642bc64dd8629b98fb95ccc77/File/82187869973.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/8c22nf72krfnhsb4lj6t0ci6fu/9016110555.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a710804931f---kotuxutupen.pdfIn PDF document text
- http://lnianemarzenie.pl/userfiles/file/33291209212.pdfIn PDF document text
- http://www.minaakshimajumdar.com/fckimages/file/47671446239.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7b7f61c81e---muwamuxogimabisoridej.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=antianxiety+and+antidepressant+medicationPDF 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_off0000f400.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF400 | 10824 bytes |
SHA-256: c713784a02e0e04c586b7ab30fafdfcd242045a3b20bad1fd5a007fcefd5f972 |
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font_01_sfnt_off00010d04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D04 | 16452 bytes |
SHA-256: 9418dd808a9c7c2f776437ba893b821c21428836c49fe39901c5500ec12c66ec |
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font_02_sfnt_off00013792.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13792 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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