MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document that functions as a link farm, directing users to download other PDFs hosted on compromised websites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a phishing or trojan payload. Although no scripts were directly extracted, the PDF structure and embedded URLs suggest an attempt to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608621b765006---54645607450.pdf In PDF document text
- http://ezibra.pl/upload//file/nuvuwalujaxexu.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/170d92a1bf1a1ebca5e60f268a6d03f2/41849884655.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f14ddb6812---38430717198.pdfIn PDF document text
- https://slide-bearing.com/d/files/81854404795.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608482cba7d23---4641410930.pdfIn PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/bkoi29vep4v9c58gb0srfh8qj4/kisukaravexanado.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1121ea188---pewije.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076db747a04f---jokim.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cae9a9f51c---18803191353.pdfIn PDF document text
- http://christschoolblr.in/userfiles/file/46824515993.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607075fc6d907---49302427777.pdfIn PDF document text
- https://24emk.ru/ckfinder/userfiles/files/kutugosuwigarawan.pdfIn PDF document text
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/c897f5e53ac4cd68c99504f92db988c6/mabibifitoris.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082fab753fa8---zedipugiweliwuvami.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=mc+command+simsPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9BB | 4960 bytes |
SHA-256: 897c1b307484e7de457950ee60d18044310e22b3f242f79e719f71654efd558f |
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font_01_sfnt_off0000fa91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA91 | 10876 bytes |
SHA-256: 331a69f03c786661f27ce8b4bbd0e0caec358ffab880840e35f0e9e633985d79 |
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