MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with several URLs pointing to compromised CMS uploads and disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically a phishing trojan. The document body is heavily obfuscated and unreadable, but the presence of numerous external links strongly suggests a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 http://clarksville.net/wysiwygfiles/file/60354933694.pdf In PDF document text
- https://aslimitada.com/userfiles/file/tituramimosokiligulis.pdfIn PDF document text
- https://pamukoglu.com/userfiles/file/nonetope.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/cbb76d44ca821fb2d88604800bdce55e/5927894097.pdfIn PDF document text
- http://briquettemachinery.com/d/files/43370836642.pdfIn PDF document text
- http://kondicionery-lobnya.ru/upload_picture/file/20881918789.pdfIn PDF document text
- https://alasclub.gr/neuro/ckfinder/userfiles/files/pajim.pdfIn PDF document text
- http://mbjarrahi.com/UploadedFiles/New/file/82778906513.pdfIn PDF document text
- http://kraski-chernila.ru/resources/file/bakubosomuxaru.pdfIn PDF document text
- http://klick-tipp.info/ckfinder/userfiles/publics/files/beradave.pdfIn PDF document text
- http://bjerkelunden.org/content/files/userfiles/file///53794839631.pdfIn PDF document text
- https://tectrongim.com/uploads/file/72945952427.pdfIn PDF document text
- https://rockyhotelsgroup.com/uploaded/files/88756577896.pdfIn PDF document text
- http://szmchem.com/userfiles/file/55434133834.pdfIn PDF document text
- http://dermalab.pl/userfiles/file/14580390959.pdfIn PDF document text
- https://uzsienis.cvzona.lt/resources/img/files/donovux.pdfIn PDF document text
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/dbd0230f48177fb31bc1f82ef231e098/12331707872.pdfIn PDF document text
- https://takipbizde.com/calisma2/files/uploads/nifemo.pdfIn PDF document text
- http://nincity.de/inline/file/85848931265.pdfIn PDF document text
- http://minhtoangalaxyhotel.vn/app/webroot/files/ckfinder/files/guxonetaxurusokemadani.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613192fd7b4ea---bidusonaraxax.pdfIn PDF document text
- http://fishtech.org/uploads/userfiles/file/file/lojif.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=how+to+get+the+luger+in+payday+2PDF 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_off0000e312.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE312 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB29 | 10912 bytes |
SHA-256: 9285912f5e667cae172dd7648120d34186a73680f118ee153e7eca1f6f29284d |
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font_02_sfnt_off00011432.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11432 | 19644 bytes |
SHA-256: 40038f7ffb3b0ce70e7145c4a085bc18e368958daf8ddd2733083aefd15f31f4 |
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