MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure indicate an attempt to deliver a malicious payload or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://smidgel.ru/uplcv?utm_term=cbse+physical+education+question+paper+2019+pdf PDF link annotation
- http://akkoryazilim.com/userfiles/file/mivepa.pdfIn PDF document text
- http://digitalpolicycouncil.com/imagenes/file/18662625879.pdfIn PDF document text
- http://amctop.com/board_data/editor_img/file/202105171357.pdfIn PDF document text
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/7525c6e74bad85566b74ba0b776a1c75/20643301730.pdfIn PDF document text
- http://fence-alarm.com/userfiles/files/33670898354.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f256bb38d---77760046119.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609de658d6098---wiwigivibufugezonovemese.pdfIn PDF document text
- http://alternatifmedikal.com/img/userfiles/files/33256706564.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607b36bf87b0a---sexufuve.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/8728f5caa92bd3202f8d1a528220887d/fogasetefovukonezib.pdfIn PDF document text
- https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce8261532c---31920487684.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160764ce852afc---36036002625.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a37e6e479b8---37195466771.pdfIn PDF document text
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/7e9ce585b2032d161c506fe12a55ea7f/ragekemavanik.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/c51218719e00a669b5f6071da86eb610/luwesepalulifijo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://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_off0000de6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE6D | 5996 bytes |
SHA-256: 72d6781c6af36ac72ab4516af19593939ff9b66960538528f082fcf0857ced26 |
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font_01_sfnt_off0000f2cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2CF | 10768 bytes |
SHA-256: 75819fd9604a702194da118a054b6e033035ea3a5ddb8809d7d20d874cb9c94d |
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