MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous external URIs and link farms pointing to potentially compromised websites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://laborke.ru/uplcv?utm_term=free+dll+decompiler PDF link annotation
- http://cartopack.com/Images/file/fewaj.pdfIn PDF document text
- http://steffis-strassladen.de/userfiles/file/linuziluvilosekobe.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609d216375eae---38556695650.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074af397651a---tipanepojunew.pdfIn PDF document text
- https://kurtwohndesign.ch/userfiles/files/43769592735.pdfIn PDF document text
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608a1d6c06037---vetoselenuroropis.pdfIn PDF document text
- http://wernitznigg.at/files/kariwotiwosujo.pdfIn PDF document text
- http://chunmianxian.com/upfolder/e/files/20210615224624.pdfIn PDF document text
- https://pmcp-avac.com/files/upload-ckfinder/files/lolewo.pdfIn PDF document text
- https://toocapen.com/files/kuzeluzavigoxurevirava.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607379048f5aa---33541596308.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160afb7a6c9e60---gevelilepetad.pdfIn PDF document text
- http://luxe-pools.fr/i/File/mapabajekujosaberokivelep.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/679a0f43a639592312ce2584b474ce55/6449218078.pdfIn PDF document text
- https://actor-conseil.com/files/file/vabilibekemani.pdfIn PDF document text
- http://flatadministration.com/uploades/fckeditorfile/pelofukogubadanevewopumof.pdfIn PDF document text
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/f0f062c1cc0197f837e31c7479eb5fbb/sezopenun.pdfIn PDF document text
- http://hudsonohiohighschoolclassof1980.net/clients/7/7d/7d4b1ad73701457990394555a34ab01f/File/gutewewijojiwabijenobu.pdfIn PDF document text
- https://a1-recruitment.fr/v2011/Files/fck_upload/file/35201896903.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f80a457e6e---bovofiwemogikitaxo.pdfIn PDF document text
- http://aklond.com/UploadFilesfile///2021050101501638.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_off0000d0d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0D2 | 16868 bytes |
SHA-256: 22f3075b6218dc2f19b42bf35fb1dd73c4ab99e78a77d57f445576096b0d4692 |
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font_01_sfnt_off0000fcdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCDC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000114f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114F3 | 10120 bytes |
SHA-256: 98e432edfbdb78928683e127f1056c2218afaaf4159ba4d7f972ad9847a6cba7 |
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