MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to multiple compromised WordPress sites, likely serving as a distribution point for malicious content. The presence of external URIs and a link farm on compromised CMS uploads indicates a phishing or malware distribution attempt.
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://sp-pir.ru/wp-content/plugins/super-forms/uploads/php/files/f6d0399560b3c8a712ba2c2992e24c91/xitadodawujiniwodovubojot.pdf In PDF document text
- https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/167eeea8004a25d308d27dbbc2c284df/90230095597.pdfIn PDF document text
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/e1c5303caa17ee84cc0bd4722ed74525/zizegeritomig.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608372c5c6c0a---94771612320.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/33d3d3c3a9ff9b2fcfef3889e3d81426/45026294881.pdfIn PDF document text
- https://grandplaza.bg/uploads/assets/file/16939595142.pdfIn PDF document text
- https://voyagerf.ru/wp-content/plugins/super-forms/uploads/php/files/0bf8d79ca018d821115cdb5198cf6a81/nixaza.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16079d49f96694---datepovumedezimigepazuj.pdfIn PDF document text
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/00958ad92000341903434f3d9dfe7f40/ziwowomiwukexolo.pdfIn PDF document text
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/d69d9c334365be094fc4e2f55442a470/komuxexalodugodofi.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607175af2e084---filazadiwuwe.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16082c7c29c0c7---rejumuku.pdfIn PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1609e09fd623dd---nexuvimukunorus.pdfIn PDF document text
- http://dentherapia.hu/files/file/naxeweromujomevirudif.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/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=kiplinger+retirement+report+renewalPDF 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_off0000ce69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE69 | 5020 bytes |
SHA-256: ddba4af6ecba54408f29d8bc81660f656ef2cc77c9bbef55c91372e03b6b7c7c |
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font_01_sfnt_off0000df7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF7D | 11040 bytes |
SHA-256: d643c7c8a4a5e53e82ead5fca450e0dcfbc6e43ed8ec9d2197b610270248b978 |
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