MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 https://philabc.ru/uplcv?utm_term=going+ahead+meaning PDF link annotation
- http://eperon-kochersberg.com/img_db/82063302659.pdfIn PDF document text
- https://oriental-kitchens.com/userfiles/files/gonaxikutufirupevidaf.pdfIn PDF document text
- https://sapporomn.com/userfiles/files/tanajopudurujamujedawaji.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8a9d70c55---wepewopadefamabimo.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/tcm06lse1l9l9vf668edbap0la/pidiwepotu.pdfIn PDF document text
- http://www.diplomat2014.ru/ckfinder/userfiles/files/12631425385.pdfIn PDF document text
- http://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/revewutawitodewu.pdfIn PDF document text
- http://4rrecycle.com/files/file/petudijekuliduro.pdfIn PDF document text
- http://rotarytattoomachine.co/project-new/christianbook/upload_images/file/nijudexibovaforuf.pdfIn PDF document text
- http://dlzj.net/upload/files/20210918102205672038.pdfIn PDF document text
- https://bwawarszawa.pl/upload/file/bipibovokewesupina.pdfIn PDF document text
- https://dolnoslaskialarmsmogowy.pl/imgturysta/files/nupizipowuf.pdfIn PDF document text
- http://ziva-muzika.cz/files/file/62646795453.pdfIn PDF document text
- http://belst.by/upload/file/daguw.pdfIn PDF document text
- https://petribax.com/userfiles/file/zajimeluruki.pdfIn PDF document text
- http://nhatrangpalace.vn/app/webroot/upload/files/jiteveputeno.pdfIn PDF document text
- https://probidjp.com/ckfinder/userfiles/files/20210912_162759.pdfIn PDF document text
- http://sparan-art.ru/ckfinder/userfiles/files/jipapuzarasiwekoro.pdfIn PDF document text
- https://transturist.ba/ckeditor/ckfinder/files/files/15633102510.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1a4733bc5---72315776034.pdfIn PDF document text
- http://eikenhorstgroep.nl/userfiles/file/26384538954.pdfIn PDF document text
- https://www.southdownscellars.co.uk/ckfinder/userfiles/files/88053956683.pdfIn 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://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_off0000ae5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE5B | 16144 bytes |
SHA-256: f79508798320a83279fdb5f6a446ae3a041f9460f74b2c6e9e47b67ba6314e23 |
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font_01_sfnt_off0000d746.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD746 | 10324 bytes |
SHA-256: 618edb1a8457f8284d42b6928e2c199b201ae96a8d24b0cf275c1d85fdd7f022 |
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font_02_sfnt_off0000ee20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE20 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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