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. It contains numerous links pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute further malicious content or phish users. The presence of external URIs and link farm heuristics indicates a clear intent to redirect users to potentially harmful external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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 https://laborke.ru/uplcv?utm_term=lord+of+the+rings+movie+watch+online PDF link annotation
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4bb3120a70---86221785155.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607affd7dfb3c---dawexaji.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/a0f5a07d594e0acc53ef9b15f2fcdd5c/juxulenomodafenidipokeju.pdfIn PDF document text
- https://an-professional.ru/img/files/file/suwenorikuvikuborid.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/d18e32054a64b9a7232caa9f8f734965/40613037449.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff5db1b28d---gukoravupesud.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081a6a14473c---seminipikul.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe5f354de1---budamisijiloxoduv.pdfIn PDF document text
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/0efbd1c5b45517d72c90027233da9705/2782096513.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/6fff32ec024e2e63c17be4f661f6d821/44544884961.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1ae125542---biwunesilanusa.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e688cf1399---rupupoxawawigizuwinukowa.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/a4be7025380e672483b4c46717c4a046/dudujeja.pdfIn PDF document text
- http://reversetheclocknow.com/ckfinder/userfiles/files/zakogexifoxoduz.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ae7a9dcfb4f---60035631128.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/f7pb90g86gddiel34u53hifk0f/2078878440.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/94f8a675f5da4e8473749ebc5baf7452/35458333746.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/0ccc6124221b26abbc0e7db55f3a3020/wudeduvovomederivo.pdfIn PDF document text
- http://angelescare.com/userfiles/file/lonevodusur.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d23eaf8cd---pujokolomagilune.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/3350027265.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/2e0e02ba7ca81048b12dc6827edd62e7/daxiwivapoxi.pdfIn PDF document text
- http://kotolantopeni.cz/file/taruveveb.pdfIn PDF document text
- https://makiriaszto.hu/ckfinder/userfiles/files/mupusaxojobuboxurotafiru.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609f5315a16b9---11926095790.pdfIn PDF document text
- 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_off0000cbb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBB6 | 11032 bytes |
SHA-256: a4290888b2cdbe82530a9e0a9600ae81b956e5949f271d6a03c20cd5b597a83c |
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font_01_sfnt_off0000e502.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE502 | 16864 bytes |
SHA-256: 4bddf6243d50e5f6edd67badb3de78fc892b8ba6a4ed1beb32e3542449ebf19e |
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font_02_sfnt_off00011104.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11104 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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