MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by a ML classifier and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc94135917---fuvamexonelewul.pdf In PDF document text
- http://scro.ru/pic/file/miwogifodejekelafowete.pdfIn PDF document text
- http://capmar.eu/userfiles/file/bipepijo.pdfIn PDF document text
- http://dianacb.cz/userfiles/file/konajakabipejamanazipamal.pdfIn PDF document text
- https://cvsc.co/userfiles/file/30345809578.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/iq3l6orh9uv1ghk52e474avv83/tixinajinalozi.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609867669c766---waxedutudu.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160719c3cca2b7---99804989597.pdfIn PDF document text
- https://ivaco.it/file/ruvumufupujifa.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a9fff432220---49755283021.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/4bdcb4f1e6968526833bda256bd92621/butivefe.pdfIn PDF document text
- http://csptech.net/admin/userfiles/file/didewujuv.pdfIn PDF document text
- https://daismene.it/file/19067060805.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/d5d4cefb0f980dd9576dd71185ad44bd/74569460220.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/ba8d468e186ebcbe92c8903034208cb5/loruxisoro.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/e734a0296136b22e97091cdcf8cbe659/4892310345.pdfIn PDF document text
- http://recrute.fr/files/files/55426517008.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce0b470e2fb---96263870047.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609111de0087b---30788967073.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b1b9e673d---98076108728.pdfIn PDF document text
- https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/e8ba88f0a2629a1cb9d00537fdc28d86/likomafutegudogiwe.pdfIn PDF document text
- http://esoftland.com/userfiles/file/fesezuvulifopubewururinix.pdfIn PDF document text
- http://arcdesantmarti.com/biocop/Images/images-editor/file/rimatonuse.pdfIn PDF document text
- http://seabeachthailand.com/UserFiles/file/87242504563.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=switch+torchlight+2PDF 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_off0000e880.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE880 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010092.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10092 | 16920 bytes |
SHA-256: 7d32bc8ef81c850128bd2e13fbc5ef88ac72e2c5dc35f5101cbb854f6b86f5e4 |
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font_02_sfnt_off00012d05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D05 | 10224 bytes |
SHA-256: bafa8cdd47067c51ddda9e378b9613a195f02c9541f2b348bd665587bfcea12c |
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