MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, lacking clear user-facing text but containing embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be7e92c6880---25906835973.pdf In PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/89e2c8ed05150a5e89ff935ba9904362/43024776994.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/a0f0685632e43e9172f2a6ec904059b2/48010474273.pdfIn PDF document text
- http://chupanhnoithat.vn/upload/files/44694690945.pdfIn PDF document text
- https://tigapilar.com/upload/files/povalebewisutonorawedi.pdfIn PDF document text
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/af373c22ceb064018acadd5833f4d803/62669422165.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/4gh4cb88a6sollsanpnqr2vflo/tubefejisokunori.pdfIn PDF document text
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/1ee3fd482e0961d7b7d1ee562d765970/lajuxugif.pdfIn PDF document text
- http://krakow4you.pl/krakow/files/39201870334.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/q2t2lgt6vnk23itepvtbam2465/20415029793.pdfIn PDF document text
- http://amirafouad.com/uploaded_files/file/7574681960.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/a6503552ff7566910e2cae0bb6176e8d/82833182442.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d7c32716f---desibokusikevobajutup.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef05b0788b---53069714840.pdfIn PDF document text
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092f20dae32a---manirujer.pdfIn PDF document text
- http://elfuklid.cz/foto/Image/file/60850669350.pdfIn PDF document text
- http://lurome7071.com/clients/e/ec/ec9741bbacd2a64db66b94b03f3cd24d/File/sotimojuwufimisenerojenen.pdfIn PDF document text
- http://iphonedown.com/ckfinder/userfiles/files/10366614338.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bd86aa4cbb0---23962254585.pdfIn PDF document text
- http://aftckwt.com/uploads/file/wigigobokotuwilubim.pdfIn PDF document text
- http://dorinhawear.com/admin/fckeditor/editor/filemanager/connectors/php/fckeditor/editor/filemanager/connectors/php/userfiles/file/1501917169.pdfIn PDF document text
- https://bankubezpieczen.pl/userfiles/file/notibivikaxoxezazopal.pdfIn PDF document text
- https://anfauglir.com/images/file/vawejafopodabafafoz.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/0351d7b29ae084dde1184fe084e6d15b/75439570788.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7337a37e7f---37416333129.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=air+hostess+uniforms+ukPDF 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_off0000fd4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD4B | 17268 bytes |
SHA-256: 78e82b54d25afd0b0fc18aef385070f548c7c53cbc718b4c998e98f05bf21c79 |
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font_01_sfnt_off00012a94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A94 | 10444 bytes |
SHA-256: 5ad931bf927ab2294cefd050d9abc8ffbba57517001a2ae7bd8ae85cab7f2809 |
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font_02_sfnt_off00014227.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14227 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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