MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many of which point to compromised WordPress sites or are hosted on domains that appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The presence of multiple distinct hosts and a high number of links per host suggests a coordinated effort to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://nationalcoopadvisors.com/userfiles/files/nijisimavapizalezoseniru.pdf In PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160a981155337e---6739682333.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d3q6basusutqb39s5b3lq84o86/momiwovakapugim.pdfIn PDF document text
- http://s2ipower.com/survey/userfiles/files/sepepaduzuredaliga.pdfIn PDF document text
- https://binarbaidservices.com/public_html/userfiles/file/kutopolifajujemotesivup.pdfIn PDF document text
- https://successstudio.net/userfiles/file/37179155970.pdfIn PDF document text
- https://havanic.com/cache/fck_files/file/1309198676.pdfIn PDF document text
- http://vanhacollection.com/images/files/tajubotolonanegasikijexev.pdfIn PDF document text
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/i40s2le1gsagq8nf6adqlm9qil/fugugepirekos.pdfIn PDF document text
- http://ttccid.com/userfiles/file/talefemitolujo.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607fcf323dbeb---zojezozuzokevib.pdfIn PDF document text
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c26e17274f2---romowokonijivuvujovifabe.pdfIn PDF document text
- http://sanarina.de/ckfinder/userfiles/files/90794658802.pdfIn PDF document text
- https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/51dfb4fa0580d43dc8c484ec206f930a/ruwanamufusuninikediz.pdfIn PDF document text
- http://le-bouquet.be/userfiles/files/77705316971.pdfIn PDF document text
- http://abwsalisbury.com/uploads/files/39514625179.pdfIn PDF document text
- http://kingbikeonline.com/images/upload/File/faviwapip.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/2e8f8a571331e3643cf203436e610e95/19633644105.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160839c2e3ca59---burifaziropinomasura.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/7fd8f945827c3ca9516a10e130bd5495/wiribeposokab.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160fee255a3d4b---kubujuge.pdfIn PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/816253dc1ab9ff4ab2100874bc82500e/gufeka.pdfIn PDF document text
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/07f635c2e6f42ef7e282af367e7df851/60912644803.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c31b4728e08---logaxa.pdfIn PDF document text
- http://contrast.no/ckfinder/userfiles/files/23808700633.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/fb4d8823265ce13d160213c5c2201531/kedunenevogemu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+write+a+concluding+paragraph+for+a+letterPDF 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_off00011e30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E30 | 10908 bytes |
SHA-256: 37bf9b29363c6881865fbd7088931ff7d48457ab834baa997eb580245986e370 |
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font_01_sfnt_off00013722.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13722 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014f34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F34 | 16968 bytes |
SHA-256: 5e0dd633b9c2e9998ecd787efc4ec88cabc9de3fc10f0937433cabe3ef9dcc37 |
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