MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised WordPress sites. These links are likely designed to redirect users to malicious or phishing content, aligning with a phishing attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16073000a1a56d---52340753838.pdf In PDF document text
- http://goref.ru/files/file/42247998190.pdfIn PDF document text
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607623bfb78d8---88784534592.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/167af0b0ebdfca071a89c12e4f719ec3/74086011388.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160e78f4381214---sibobitumoxoxutopizijilod.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b3e58ae0f---kovelitebuzikojivutirog.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612553d2c5acb---zunavogiwuwofutu.pdfIn PDF document text
- http://stefanourso.com/public/userfiles/file/4129102034.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/47j5e9tg9tn6a3svf7k2rfvhgv/mukimowakofejefijatirebu.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd94b64ab1---xevasadatexiz.pdfIn PDF document text
- http://boekenwinkelindex.nl/images/uploads/8827228982.pdfIn PDF document text
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/ibvh51ku3eer1sve8l3p4ccsc0/kepalegekarotox.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160b63ccf9e2a8---17704042214.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16115bc854f7bc---fimepunodupoxokum.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161156367bf02e---jidenerawejosofurapovepa.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100655aec320---36889934924.pdfIn PDF document text
- https://gymlesgeants.com/upload/editor/file/25710662403.pdfIn PDF document text
- http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/1295968789.pdfIn PDF document text
- http://polymer-optix.de/userfiles/file/78183002830.pdfIn PDF document text
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/7627016ecb2313acb5963164da45e215/kezifowasakubapu.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cd4c07e3bdf---vibiti.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609c9d1b04e09---futizoxigixewizevadexus.pdfIn PDF document text
- http://bebelino.ru/userfiles/file/68694873285.pdfIn PDF document text
- http://transcash.com/ci/userfiles/files/41470633275.pdfIn PDF document text
- https://unitedfightalliance.com/ckfinder/userfiles/files/34362806277.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/48b0b575651365e7741cbebc03614d27/pigugorexodiwawipasinukan.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/du6el84q9rtlca1rn8mp7957b3/43260503868.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=osi+model+interview+questionsPDF 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_off0000effd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFFD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001080f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1080F | 16348 bytes |
SHA-256: 6419c0745b41c816694365a137a72dde2a5c8827b43112e515a659c8658505fc |
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font_02_sfnt_off000131e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131E7 | 10668 bytes |
SHA-256: 2aeda3c61fd9c9b61733c7d3d3352d12e95e29d0df6e56ae891820dfe881ac5c |
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