MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating it is likely a phishing or malware distribution attempt. The document contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting it functions as a link farm to distribute further malicious content. The presence of embedded URLs and the overall structure point towards an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=pdf+size+reducer+100+kb+online PDF link annotation
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/aeabef2e675ff0445a73ad01fed450fb/wolirudalodetepenuzepelo.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acff166de48---norojezuloj.pdfIn PDF document text
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/13943f82985493e9e26ea18d0dca5129/49961821252.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16077562ea019a---9936702913.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/0d6687da6c74a4a2b2dbb23cd1c45dc3/64750754955.pdfIn PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/iaktd9mk2nsmin6e1n3slapk64/92704633590.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a4882b3c5f0---bowezuzotutafetuvomunoxal.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f4766e0548---54422208042.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c81c613f23---tigavirejaxamaru.pdfIn PDF document text
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/778117e7b2f399d9b4d2f04e87678aa9/29641298064.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160885ef447d39---jokidebe.pdfIn PDF document text
- http://ridendo.cz/files/file/28842073538.pdfIn PDF document text
- https://cafesca.mx/ckfinder/userfiles/files/sofefopok.pdfIn PDF document text
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/67a5e08b37414c1a98052e916f7719df/pewubi.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/5194cc054f5373b5f8610f028371dbbd/25151012115.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/dfsnk2atmu9e9it4apbah72koe/99658005127.pdfIn PDF document text
- http://cuhs1981.com/clients/8/82/82ca37c076ec4232796cb58ed009bb3a/File/tiserenalajarubexu.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_off0000e033.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE033 | 5252 bytes |
SHA-256: 9ec1c69b367315cb4d0ae36176a31e12929a9b8238a7c27854646bd400bb9000 |
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font_01_sfnt_off0000f237.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF237 | 12908 bytes |
SHA-256: 03e26b5201580eb37abf125f22737f1ff6e5d5f0ba99e526c88ed289784c61be |
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