MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external websites hosted on compromised CMS uploads and disposable domains. The embedded URLs suggest a phishing or malware distribution campaign, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://garglob.ru/uplcv?utm_term=circuit+training+limits+and+continuity+review+answers PDF link annotation
- http://clinicaveterinariabilancino.it/userfiles/files/89983187694.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16072dc456a382---67086086629.pdfIn PDF document text
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/4d6277eef32f0c51c6409d667580f0d5/43924786257.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8ea4f3b80---memixog.pdfIn PDF document text
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbaab5086b2---75715468698.pdfIn PDF document text
- https://biothiennam.com/media/ftp/file/lizikubavuzibukebu.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bbc40ed7d55---ralefejufot.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160774da6997cd---lexoburelokokoxivu.pdfIn PDF document text
- https://bruceautoservice.com/files/file/wimudizugaxelekumu.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/9tcocha6cdsqp6dmtj9cj7sdkd/6216141588.pdfIn PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160944dea4f3f5---94334587803.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/mujumesarixomat.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/e2ngvuckvelgkj7r7cj0vm52og/naduxuxiwibuvepozilizobor.pdfIn PDF document text
- https://kovosluzba-praha.cz/res/file/35929474386.pdfIn PDF document text
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/cc3db63422e56c20b0bb667245df53d4/654486644.pdfIn PDF document text
- https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088a85623845---46197885149.pdfIn PDF document text
- http://aliceinformaticasrl.com/user/pages/wonusafomige.pdfIn PDF document text
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/2883a0226c750d27d90fe7c06a0c45fb/33791220147.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/72983200107.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160773eac71864---2484637176.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/36dfdb39aecb05dd072d86f797eac4e3/52537243954.pdfIn PDF document text
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/ae3262cb27f122a0eaf68ad54d3abbbe/xivedelosoxagabanonabaf.pdfIn PDF document text
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/hceur5pjtloecgmg9lio85joo3/45757948286.pdfIn PDF document text
- http://sushi-belovo.ru/files/jidenodusovelogun.pdfIn PDF document text
- http://kraski-chernila.ru/resources/file/1189980122.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/b8fcfa90a4a459aaa3c49ef7ca482aca/2976974214.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fc81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC81 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011498.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11498 | 11112 bytes |
SHA-256: 3828bd5989ab6634dd52d23dc39a633532e5ef8569be152b9d7076cb6c8c124a |
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font_02_sfnt_off00012e61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E61 | 18080 bytes |
SHA-256: 28eb4af9f1ad4626210869a36c9d65002d5fa0234325d4de0e402161e7f7d2c7 |
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