MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to compromised WordPress sites and disposable domains, a common tactic for phishing or distributing further malware. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The document's structure as a link farm suggests it is designed to lure users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://philabc.ru/uplcv?utm_term=8+letter+words+starting+with+s+and+ending+with+e PDF link annotation
- http://jedzenie365.pl/ckfinder/userfiles/files/85345036956.pdfIn PDF document text
- https://moolans.com/uploads/files/3173891515.pdfIn PDF document text
- http://cdseoulps.com/uploadfile/fckeditor/file/vazaselij.pdfIn PDF document text
- http://hoaiduc.edu.vn/ckfinder/userfiles/files/37695365611.pdfIn PDF document text
- https://mbamantra.com/ci/userfiles/files/63519321227.pdfIn PDF document text
- https://mehreganimaging.ir/images/upload/files/tufizoxejudavafumenupuxes.pdfIn PDF document text
- http://edmo-cars.nl/images/file/pewuravov.pdfIn PDF document text
- https://petandpuppies.com/userfiles/file/gebefawexisawosirubutab.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/0e5a8d4b6866a8d0cfa3066fc39c5d9b/wotutexolirogolugo.pdfIn PDF document text
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/83eb0dabd4629fc067deb5b6bba7d179/26011834629.pdfIn PDF document text
- http://ilsogno-bomboniere.com/userfiles/files/52492078226.pdfIn PDF document text
- http://a-swiss.com/upload/userfiles/file/73026723550.pdfIn PDF document text
- http://www.vandiestbrandstoffen.be/uploads/files/32893870906.pdfIn PDF document text
- http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/nukobu.pdfIn PDF document text
- http://tizianaiberti.it/userfiles/files/nalejumafulifumodidubivi.pdfIn PDF document text
- https://porfic.com/fotos/file/26648749499.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/50ebfc4b39920dc6e1f2254d0fc36801/kolet.pdfIn PDF document text
- https://banderlogclub.ru/Files/file/sarizuxujufefodokodosud.pdfIn PDF document text
- https://culturasiapamplona.com/guiarte_userfiles/files/35096424229.pdfIn PDF document text
- http://urotunisia.com/uploads/FCK_files/file/denubigiwuwenoz.pdfIn PDF document text
- https://florerialafloresta.com/ckfinder/userfiles/files/21044239497.pdfIn PDF document text
- http://hzbmsj.com/images/upload/File/nosuba.pdfIn PDF document text
- http://telesson.net/_UploadFile/Images/file/14962737943.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_off0000e60d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE60D | 10724 bytes |
SHA-256: b8274fdc4acc6832dedf4769c8e3bf764ab82794c135a9e6285ebd70156f5f93 |
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font_01_sfnt_off0000fe72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE72 | 18776 bytes |
SHA-256: f23690eba396237509566013f6d14d7275154f6e011e250d8c726a258b4d631a |
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font_02_sfnt_off00012f05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F05 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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