MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external links, many of which are dynamically generated and point to PDF files with numeric slugs. The document body, though heavily obfuscated, contains a reference to 'vmware client integration plugin' and the authoring application 'wkhtmltopdf', suggesting a lure to trick users into clicking malicious links. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 4
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://jrfinancialservices.org/uploads/1/3/0/4/130477064/130477064.html#vmware+client+integration+plugin
- http://akupressur-therapie.ch/uploads/1/3/0/9/130969842/kepemutaduvim.pdf
- http://wittycam.net/uploads/1/3/0/7/130776818/zireme.pdf
- http://lesgarrett.com/uploads/1/3/1/0/131070105/sijuzufoxaw.pdf
- http://shakemixandroll.com/uploads/1/3/1/8/131856389/vajuxir.pdf
- http://mitzimileskubota.com/uploads/1/3/0/6/130604026/xowovig.pdf
- http://energyfreelivingathome.com/uploads/1/3/0/6/130621465/kagenolibetem.pdf
- http://shorelinetextile.com/uploads/1/3/0/2/130272880/45b6091.pdf
- http://3to1experience.com/uploads/1/3/0/7/130776819/kijusopuv.pdf
- http://jimsvan.com/uploads/1/3/0/3/130312980/13be56080bb1b6a.pdf
- http://echoesinsilence.com/uploads/1/3/1/4/131455543/60ad5a56.pdf
- http://jamessanders.info/uploads/1/3/0/7/130775817/5246475.pdf
- http://3strandedcord.com/uploads/1/3/1/3/131383928/guvowir.pdf
- http://exclusivepropmgt.com/uploads/1/3/0/7/130775085/6669193.pdf
- http://alanajaneskincare.com/uploads/1/3/1/4/131407736/godakogetokoluwuw.pdf
- http://anynumberofbirds.com/uploads/1/3/0/5/130588547/narixonikoze.pdf
- http://carolinascoastalconstruct.com/uploads/1/3/0/5/130588821/nagagularudenad-xorilej-siledelidajon.pdf
- http://envpsintraining.com/uploads/1/3/1/4/131437275/bizufujuxil.pdf
- http://happycard.com/uploads/1/3/1/6/131606583/f0a72a5d991.pdf
- http://frenchsingaporemath.com/uploads/1/3/1/3/131383294/4d079026e626e2a.pdf
- http://projectfloyd.org/uploads/1/3/0/6/130621928/jibez.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005a6a.binc28df53341f1460e17303f406e59b9dfb3c3dd474aeb957cff83b6896e34b1b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A6A | 9664 bytes |
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