MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to multiple distinct hosts, some of which appear to be compromised CMS upload directories. The document body is unreadable, but the structure and URL analysis strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/lapiwawituji.pdf In PDF document text
- https://khotelmarket.com/FileData/ckfinder/files/20210904_8C1259DFE47DAB25.pdfIn PDF document text
- https://nordavril.com/userfiles/file/51240406401.pdfIn PDF document text
- http://www.vegagastro.pl/upload/file/goxaruwafatakixefokimofa.pdfIn PDF document text
- http://kelkenaghshband.com/app/webroot/img/files/mesolobedigeduturub.pdfIn PDF document text
- http://bionazorat.uznature.uz/userfiles/file/tufuxojutab.pdfIn PDF document text
- http://divorcefinance.nl/uploads/file/lumajegotafevatubirixe.pdfIn PDF document text
- http://gd-weimi.com/upfolder/e/files/20210927051352.pdfIn PDF document text
- http://letresorellebio.it/userfiles/files/71590136648.pdfIn PDF document text
- http://rayanchem.com/d/files/72515154249.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615420f492f3d---bilokanuzan.pdfIn PDF document text
- http://wieswioska.pl/userfiles/file/nasukobumabomenalu.pdfIn PDF document text
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/90250073550.pdfIn PDF document text
- http://uzks.hr/upload/datoteke/gujanokarirut.pdfIn PDF document text
- https://kerryparsonsfoundation.org/media/file/bowesewulesukuzobupotufu.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/bk6qmre8vcsst95fnevt8gmml2/68021113126.pdfIn PDF document text
- http://ttlh.vn/storage/ckfinder/files/32917957433.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/6f6f56a4f3898825e1cb667f44025e6c/81588388580.pdfIn PDF document text
- http://papienbanana.com/user_file/file/xataraf.pdfIn PDF document text
- http://ceroki.com/image/files/ligarulozu.pdfIn PDF document text
- https://suncables.co/images/file/dipanurobawefatusime.pdfIn PDF document text
- http://xn----8sbfhu6ab4bqv.xn--p1ai/userfiles/file/sexeviso.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=art+history+infographicPDF 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d23f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD23F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA56 | 10676 bytes |
SHA-256: 7af0e6c40cf6b1f2ced14b096900a2320948a513363f6a7bae852ffc652faa57 |
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font_02_sfnt_off000102d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102D8 | 17980 bytes |
SHA-256: 988b2252de1a97a4ea7a93ebf5a53e5a620892b3433d7f897db9928a90f4a718 |
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