MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload directories. These links likely serve as a distribution mechanism for further malicious payloads, aligning with a phishing or malware delivery attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611972bebdba0---girexezerularuzenifu.pdf In PDF document text
- http://abwingstop.com/uploads/files/99062827717.pdfIn PDF document text
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/kizugiwaxunejigomurefe.pdfIn PDF document text
- https://lexcyberia.com/userfiles/files/wugabesuxogak.pdfIn PDF document text
- http://ilovechardonnayhills.com/userimages/68444306604.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/860b88cf2c46ac364e9400ae590717eb/32196514604.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/250865c3e84d4f38d03c38a2b6ebdc0d/60614337218.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092b4e4b5dee---vodunobiravubax.pdfIn PDF document text
- http://www.vljainandco.com/userfiles/files/fakulavexurozaga.pdfIn PDF document text
- http://jyotiacademicpress.org/uploads/file/16657060573.pdfIn PDF document text
- http://kondicionery-dolgoprudny.ru/upload_picture/file/solafu.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/363ec8cfdf9536a9218f931c9f737e7c/werigalipiwelasinagolezum.pdfIn PDF document text
- https://pvesc.vn/uploaded/file/tifopiziwivevaf.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609fab7b33132---runixutibezusonibugepe.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/37c7b9d0f0e7df8c75f5f2cee923fd97/31871346612.pdfIn PDF document text
- http://ohana1bbq.com/uploads/files/tedetutejoleninudedogapu.pdfIn PDF document text
- http://reklamavysocina.cz/UserFiles/File/82100459481.pdfIn PDF document text
- http://quaker1960.com/clients/3/34/346d0055920ff30d27c63167e405b0e7/File/27367875015.pdfIn PDF document text
- https://bakotech.at/uploads/ckeditor/files/gujixolil.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/0fl6ti3mapv66gr7986edtn7sc/rudulewimomugilixum.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/e4psm07840gnnaj4e73kff3nn9/pivepebeve.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/6lfgpg7aug47dp56feaj9ft67f/judafew.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/066cfcc1b47e4e71114e0073fb85e3b8/jisabatuze.pdfIn PDF document text
- http://marquisdecor.com/userfiles/file/89987818175.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=critical+thinking+aptitude+test+pdfPDF 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_off0000be3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE3A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d651.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD651 | 11000 bytes |
SHA-256: 2e175de05fbcd4fcc6e2b91ff305876917c822518649753a22fb8741f838b969 |
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font_02_sfnt_off0000efa4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA4 | 16144 bytes |
SHA-256: faac43bbd7948c7d15208d3c8fdd2f590b579c395253d3f35a479f31fcc7b053 |
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