MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://archism.ru/uplcv?utm_term=html+viewer+apk+for+pc PDF link annotation
- http://i-harmonics.com/upload/files/kojipok.pdfIn PDF document text
- http://dorinhawear.com/admin/fckeditor/editor/filemanager/connectors/php/fckeditor/editor/filemanager/connectors/php/userfiles/file/96997465276.pdfIn PDF document text
- https://dadesigning.com/daduserfiles/files/17642990606.pdfIn PDF document text
- http://giga.sk/storage/file/79118619577.pdfIn PDF document text
- http://theclelandgroup.com/img/upload/file/48875014008.pdfIn PDF document text
- http://skene.es/userfiles/file/83242410063.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/161305d5434353---zagovowosemu.pdfIn PDF document text
- http://an-professional.ru/img/files/file/gapibujovumomejivamedo.pdfIn PDF document text
- http://pileshoppen.dk/userfiles/file/38062904406.pdfIn PDF document text
- https://bccphil.paramedix.biz/uploadfiles/file/webifulujexuwebagowesuduk.pdfIn PDF document text
- http://sky1981.com/asset/uploads/files/zoxenelobudivoludupezif.pdfIn PDF document text
- http://bloodfaces.de/attachment/file/gixoguvetifutum.pdfIn PDF document text
- http://palazzodiaz.com/userfiles/files/xezerixew.pdfIn PDF document text
- http://amicissiapiemonteisa.it/userfiles/files/10321848111.pdfIn PDF document text
- http://masterkontroll.hu/ckfinder/userfiles/files/vazamowawovikujewikugo.pdfIn PDF document text
- http://sportservistocik.cz/UserFiles/File/pijeweme.pdfIn PDF document text
- http://candybeauty.vn/upload/files/65168292794.pdfIn PDF document text
- http://cn-polylysine.com/d/files/47019644004.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16133161071c05---nomiwifudemijavigu.pdfIn PDF document text
- http://gddfboiler.com/uploads/files/23483661396.pdfIn PDF document text
- http://kanalizace-ul.cz/userfiles/file/61921572840.pdfIn PDF document text
- http://cl-metalparts.com/d/files/67965606670.pdfIn PDF document text
- http://infinity8talents.com/userfiles/file/93233494623.pdfIn PDF document text
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1612eead742b09---wovugepudedunapelono.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_off0000ddf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f603.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF603 | 17940 bytes |
SHA-256: 16645126db45134ba32e3587ace65e63d1ae6cb0bd5d339f986a90ebcb53d7ae |
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font_02_sfnt_off00012525.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12525 | 10604 bytes |
SHA-256: a04a4740ec10d530db5cb3ae64c959d17fdbf59a0be02bd90b2a50b719191cb5 |
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