MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Several heuristics point to the PDF acting as a link farm, directing users to compromised WordPress upload directories. These links likely serve as a distribution point for further malicious content or phishing attempts.
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 http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077f0edc0517---19278313734.pdf In PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081948d5aaf3---77017392354.pdfIn PDF document text
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/qhqoplet1coovgbbcje7ce845s/zakegazagorunujejus.pdfIn PDF document text
- http://manninareunion2012.com/clients/0/03/03b30fdf9aaeeba733afadbef254ff7b/File/jevolemekizedezolerujixap.pdfIn PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/b5da22feef218538bed31c4bd745ffb5/75998967692.pdfIn PDF document text
- http://sonkertrail.org/clients/9/92/9260a3c387aed4615f72c72c3a1da295/File/nugadevak.pdfIn PDF document text
- http://sacoorhealth.pt/site/upload/file/25544336250.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088e1dd2c106---9568389810.pdfIn PDF document text
- http://sewakendragroup.com/userfiles/file/dajuzasixididifonewabedi.pdfIn PDF document text
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/7b2521012197cdba782500b1862064a9/40173474308.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f333fcb145---97003911006.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b33e41d77b3---riguwifixulajawaravaxiz.pdfIn PDF document text
- http://unseenadventure.com/userfiles/file/bixojizusogipata.pdfIn PDF document text
- https://getadoc.in/ckfinder/userfiles/files/zoturev.pdfIn PDF document text
- http://alexsrmenchion.com/clients/b/bf/bf5401b25fe3457642f5a6f1150d5537/File/11977375586.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc954b57439---sulivokekofenofozupojef.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608724a47e35d---17757260974.pdfIn PDF document text
- http://keralabiblesociety.com/fck_uploads/file/15089830707.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/2c2bbaeb02112d0a30a500aceab4b086/musixedotobajojef.pdfIn PDF document text
- http://ajtoablakcentrum.com/_user/file/nudubekirogexawetobu.pdfIn PDF document text
- https://airbays.com/userfiles/file/lonevir.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160c94727d1286---jexakalaxalugezorunu.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/5ab1ab88ee9964bfa53af4dad7613560/worabalevoravakara.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8639a8f3a---11611406590.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/womoxupovokotetusiboses.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=mandy+billy+and+mandyPDF 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_off0000fa4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA4B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001125d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1125D | 16988 bytes |
SHA-256: 39db76331e12d160ed8a3d2c2eb02bd7f12f6ab7db9007fe22f5eeecb0bf61e3 |
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font_02_sfnt_off00013e9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E9E | 10036 bytes |
SHA-256: 061de075b3f617d8638294ef617096e30685f6a0cdcdb12d2efbb2f64257d5ce |
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