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, pointing to numerous compromised WordPress upload directories and disposable hosting sites, suggesting a phishing or SEO manipulation scheme. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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.southforconstruction.com/frontend/web/ckfinder/userfiles/files/30519408891.pdf In PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/c3881deacea4cb990814cc0750b4f693/53612698915.pdfIn PDF document text
- http://hillsdale66ersreunion.com/clients/c/c6/c679c52642bc64dd8629b98fb95ccc77/File/3057988652.pdfIn PDF document text
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/5b6727dc9dd782a2373ce765d8b2b566/85648541686.pdfIn PDF document text
- https://cualuoihoanmy.com/uploads/userfiles/file/81389530969.pdfIn PDF document text
- http://scuderieverdina.it/scuderia/userfiles/file/tenijanagapevaju.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/kfq04rg8eguf2fge4q409sl0h6/25760469263.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a77f499b1e8---57067851929.pdfIn PDF document text
- https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/a97c35940a8b99fccf54aa365dbb7983/98895074942.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/3elrip9rfvoa6ddekocic2ose3/jarerobimapukuki.pdfIn PDF document text
- http://accessprecision.com/userfiles/file/4686356657.pdfIn PDF document text
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/87e55bdcca1d3b4602989dba87a04ac8/jexotewu.pdfIn PDF document text
- https://ienter.bg/files/14231755516.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c1ac72afee5---19301724983.pdfIn PDF document text
- http://lnyy.cc/uploads/file/1629428165.pdfIn PDF document text
- https://chmelo.hu/sites/default/files/file/6900265057.pdfIn PDF document text
- http://nhakhoauytinhaiphong.com/upload/files/lakunapiwigesexiw.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/07dd660d62cae980aed7b4420c8a3bf0/kopikuguroz.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/hm2hlt8si3mjdm89bv9t4q6ch7/zivizexebukiluxonilisitos.pdfIn PDF document text
- http://ehsclassof64.com/clients/b/bf/bfa5c4411462ceee4a19e543862d902c/File/xiviterenipujug.pdfIn PDF document text
- http://fiumaradelsossio.it/userfiles/files/jugibulipumuzofas.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5dd244ad2b---43013534393.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160805f0dbf836---76381097931.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/r4hdndfdlf47unujm5jn4osb76/midovogutadurapelijo.pdfIn PDF document text
- http://microcement.ua/userfiles/file/ruvasugetobigokagivip.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/8074a7481ad6aa543b8c6bf026767681/54979739304.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=binomio+de+resta+al+cuadrado+ejemplos+resueltosPDF 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_off0000f187.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF187 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001099e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1099E | 10960 bytes |
SHA-256: 0b65b42f7b7318b51a76e7532f4b0b94362eba036396e6569c17dbff311c0f9e |
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font_02_sfnt_off000122fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122FE | 18220 bytes |
SHA-256: 84805bff6b689cc8432956211427763c061cd2aafada3b6b8677bc2a56513502 |
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