MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious by ML and ClamAV, indicating a phishing or malware distribution attempt. It contains numerous links to external websites, many hosted on compromised CMS upload directories, suggesting it functions as a link farm to distribute further malicious content. The document body, though heavily obfuscated, contains a lure related to 'vocabulary workshop answers', likely to trick users into clicking the embedded links.
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://oniceh.ru/uplcv?utm_term=vocabulary+workshop+level+d+unit+3+answers PDF link annotation
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c1c4558779e---tudezakubopopi.pdfIn PDF document text
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/0cdbe47f0e4ecf72196673225873c2ed/vimixig.pdfIn PDF document text
- http://rogo-rotterdam.nl/files/zanamaxajevez.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/07f1530f2267af4bb5137a60a3f82094/kivodago.pdfIn PDF document text
- http://nakajima-ya.com/upload/save_image/files/fifejaxofoguxewu.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/b531ca930cbbdb4afe0ab766d1047bcb/ponamisab.pdfIn PDF document text
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/93350736774.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/3204829c7bd3d1ae83e0e39bd1c74778/71799225769.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b888de2cd85---lojikalorolawanujonux.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/4f4690b6055007161b9bcc02a25f11cc/pawojujefuwenu.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/72cbb437e3660074b0d992d13c811756/fomulobagunonowusuxowupi.pdfIn PDF document text
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/tg4q1mm4soio0p3ur8lqv9ml69/rinaxigirov.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/92a7e3bc74c88373b656135b19b12036/xobozubalakijib.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/6skvgjcogmtsas3khgt1f9u803/76875049090.pdfIn PDF document text
- http://atomleasing.ru/media/File/28278449707.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e6b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6B9 | 5748 bytes |
SHA-256: 66dccca35931eca6cd4ad1beb45f29dc1d2538838554562e6e45b3cf5fdcc406 |
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font_01_sfnt_off0000fa53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA53 | 1812 bytes |
SHA-256: e2f5d3ef3d159c4618a897938a4514967e3e9e15e90b00f9078329914e8d563d |
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font_02_sfnt_off00010330.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10330 | 14388 bytes |
SHA-256: 0a1dedc2d1de58f3bfc7bf986d2de8f8944faf9afd0fc5fc3002f97699825435 |
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