MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous embedded URLs that point to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links indicates an attempt to deliver a payload or phish credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://nomylo.ru/uplcv?utm_term=%24300+charitable+contribution+deduction+for+non+itemizers PDF link annotation
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a063d624b91---3707476973.pdfIn PDF document text
- https://stgeorgedentalcare.in/ckfinder/userfiles/files/lokozagitozawikak.pdfIn PDF document text
- https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/8ca21801bfe67937b9a43b1d73c893ae/78487101095.pdfIn PDF document text
- http://toyteepee.com/uploadfiles/file/2105102154423445279h6mz0.pdfIn PDF document text
- https://infosantiere.ro/userfiles/file/55877981192.pdfIn PDF document text
- http://skonasystems.com/userfiles/file/61433485385.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bedda1aafa2---taperoloravun.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16086952ae26fb---69359046211.pdfIn PDF document text
- http://kxqcgs.com/filespath/files/20210822011152.pdfIn PDF document text
- https://la-klamm.org/Files/files/disufubowepote.pdfIn PDF document text
- http://ilyxrace.com/userfiles/files/gozajotuvoboxif.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/29ed29b4931b7921f196a0c4ccc2afe6/6369622709.pdfIn PDF document text
- http://uniquecharacters.com/upload/files/rogejexagatenazatelopep.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2ea5d7c583---63632059093.pdfIn PDF document text
- http://csc-0411.com/userfiles/file/20210630210047_v7owia.pdfIn PDF document text
- http://jirehenl.com/userfiles/file/020148214381.pdfIn PDF document text
- http://rszm88.com/upfolder/e/files/20210830143049.pdfIn PDF document text
- http://hilltop1976.com/clients/24685/File/59432524752.pdfIn PDF document text
- http://labsshop.com/d/files/65991929107.pdfIn PDF document text
- http://thaihotelsale.com/FileData/ckfinder/files/20210710_1B8C510A475BD7BF.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/4aplsdgkn6faefp91kf0h7pfan/90960109881.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082045e7cd18---16347174390.pdfIn PDF document text
- http://amadpich.com/userfiles/file/2404167041.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/va6uu1p6f5v215dcq4ieo4kf30/faxudidak.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_off0000bd87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD87 | 16148 bytes |
SHA-256: 5b182b4c6a896f60b189f9b97adaf1f85ebc5e2c8af0360532b9c4979bde752c |
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font_01_sfnt_off0000e732.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE732 | 11448 bytes |
SHA-256: c7f28be8a707e7f62062a2f782e4bbad2f7bbe47c11ec36097fe037383843c3f |
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font_02_sfnt_off0001021a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1021A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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